Use of Beta-aminopropionic acid derivatives as fungicides

Abstract: The present application relates to the use of compounds of formula (IX): wherein R 1 , R 2 , R 3 , R c Ar and Q have the meanings given in the description, as fungicides.

Description: The present invention relates to the use as a fungicide of β-aminopropionic acid derivatives. In particular, the present invention relates to the use as a fungicide of a specific class of compounds having high antifungal activity, β-aminopropionic acid derivatives having a general formula which is within the scope the present invention are described in Tetrahedron Letters, vol.30, 4539-4542 (1989)or in Journal of Labelled Compounds and Radiopharmaceuticals Synthesis, vol 4,305-315 (1992). However, none of the cited references describe the use as a fungicide of the above compounds. Accordingly, the present invention relates to the use as a fungicide of β-aminopropionic acid derivatives of general formula (IX): wherein Ar is selected from the group consisting of a phenyl group, a naphthyl group, a penta- or hexatomic aromatic heterocyclic group containing from 1 to 4 heteroatoms selected from nitrogen, sulphur and oxygen, said aromatic heterocyclic group possibly being benzo-condensed, a C 3 -C 10 cycloalkyl group, a substituted phenyl group, a substituted naphthyl group, a substituted penta- or hexatomic aromatic heterocyclic group containing from 1 to 4 heteroatoms selected from nitrogen, sulphur and oxygen, said aromatic heterocyclic group possibly being benzo-condensed, and a substituted C 3 -C 10 cycloalkyl group; Q is selected from the group consisting of a cyano group, a thiazolic group, a substituted thiazolic group, a group having the general formula (III): wherein Y is selected from the group consisting of an oxygen atom, a group having the general formula (IV): and an AA aminoacidic residue; R b is selected from the group consisting of a hydrogen atom, a linear or branched C 1 -C 8 alkyl group, a linear or branched C 1 -C 8 haloalkyl group, a C 4 -C 10 cycloalkylalkylic group, a phenyl group, a naphthyl group, a tetra-, penta- or hexatomic heterocyclic group containing from 1 to 4 heteroatoms selected from nitrogen, sulphur and oxygen, said aromatic heterocyclic group being optionally benzo-condensed, a C 3 -C 10 cycloalkyl group, a substituted, linear or branched C 1 -C 8 alkyl group, a substituted, linear or branched C 1 -C 8 haloalkyl group, a substituted C 4 -C 10 cycloalkylalkylic group, a substituted phenyl group, a substituted naphthyl group, a substituted, tetra-, penta- or hexatomic heterocyclic group containing from 1 to 4 heteroatoms selected from nitrogen, sulphur and oxygen, said aromatic heterocyclic group being possibly benzo-condensed, and a substituted C 3 -C 10 cycloalkyl group; K 2 is selected from the group consisting of a direct bond, a linear or branched C 1 -C 8 alkylenic group, a linear or branched C 1 -C 8 haloalkylenic group, a substituted, linear or branched C 1 -C 8 alkylenic group, a substituted, linear or branched C 1 -C 8 haloalkylenic group, and a linear or branched C 2 -C 8 ω-oxa-alkylenic group; R 1 may represent a hydrogen atom, a fluorine atom, a linear or branched C 1 -C 8 alkyl group, a linear or branched C 1 -C 8 haloalkyl group, a substituted, linear or branched C 1 -C 8 alkyl group, or a substituted, linear or branched C 1 -C 8 haloalkyl group; R 2 may represent a hydrogen atom, a fluorine atom, a linear or branched C 1 -C 8 alkyl group, a linear or branched C 1 -C 8 haloalkyl group, a substituted, linear or branched C 1 -C 8 alkyl group, a substituted, linear or branched C 1 -C 8 haloalkyl group, a C 1 -C 2 alkylenic chain which is joined to a carbon atom forming the above Ar group, or a substituted C 1 -C 2 alkylenic chain which is joined to a carbon atom forming the above Ar group; R 2 together with R b may represent a direct bond when K 2 does not represent a direct bond; R 2 together with R 3 may represent a linear or branched C 1 -C 8 alkylenic chain, a substituted, linear or branched C 1 -C 8 alkylenic chain, a linear or branched C 1 -C 8 haloalkylenic chain, or a substituted, linear or branched C 1 -C 8 haloalkylenic chain; R 2 together with R 1 may represent a linear or branched C 1 -C 8 alkylenic chain, a substituted, linear or branched C 1 -C 8 alkylenic chain, a linear or branched C 1 -C 8 haloalkylenic chain, or a substituted, linear or branched C 1 -C 8 haloalkylenic chain; R 3 may represent a hydrogen atom, a linear or branched C 1 -C 8 alkyl group, a linear or branched C 1 -C 8 haloalkyl group, a substituted, linear or branched C 1 -C 8 alkyl group, a substituted, linear or branched C 1 -C 8 haloalkyl or a group having general formula (III) described above; R 4 may represent a hydrogen atom, a linear or branched C 1 -C 8 alkyl group, a linear or branched C 1 -C 8 haloalkyl group, a substituted, linear or branched C 1 -C 8 alkyl group, or a substituted, linear or branched C 1 -C 8 haloalkyl group; R 4 together with R b may represent a C 1 -C 2 alkylenic chain when K 2 does not represent a direct bond; AA represents an aminoacidic residue having general formula (VI): wherein: L represents a group having general formula (VII): G represents a direct bond, or a group having general formula (VIII): R 6 is selected from the group consisting of a hydrogen atom, a linear or branched C 1 -C 8 alkyl group, a linear or branched C 1 -C 8 haloalkyl group, a substituted, linear or branched C 1 -C 8 alkyl group, a substituted, linear or branched C 1 -C 8 haloalkyl group, a C 3 -C 10 cycloalkyl group, a substituted C 3 -C 10 cycloalkyl group, a C 4 -C 10 cycloalkylalkylic group, a substituted C 4 -C 10 cycloalkylalkylic group, a phenyl group, and a substituted phenyl group; R 7 is selected from the group consisting of a hydrogen atom, a linear or branched C 1 -C 8 alkyl group, a linear or branched C 1 -C 8 haloalkyl group, a substituted, linear or branched C 1 -C 8 alkyl group, a substituted, linear or branched C 1 -C 8 haloalkyl group, a C 3 -C 10 cycloalkyl group, a substituted C 3 -C 10 cycloalkyl group, a C 4 -C 10 cycloalkylalkylic group, a substituted C 4 -C 10 cycloalkylalkylic group, a phenyl group, and a substituted phenyl group; R 6 and R 7 may also represent, jointly, a linear or branched C 1 -C 8 alkylenic chain, a linear of branched C 1 -C 8 thia-alkylenic chain, a linear or branched C 1 -C 8 oxa-alkylenic chain, a linear or branched C 1 -C 8 haloalkylenic chain, a substituted, linear or branched C 1 -C 8 alkylenic chain, a substituted, linear or branched C 1 -C 8 thia-alkylenic chain, a substituted, linear or branched C 1 -C 8 oxa-alkylenic chain, or a substituted, linear or branched C 1 -C 8 haloalkylenic chain; R 8 is selected from the group consisting of a hydrogen atom, a linear or branched C 1 -C 8 alkyl group, a linear or branched C 1 -C 8 haloalkyl group, a substituted, linear or branched C 1 -C 8 alkyl group, a substituted, linear or branched C 1 -C 8 haloalkyl group, a C 3 -C 10 cycloalkyl group, a substituted C 3 -C 10 cycloalkyl group, a C 4 -C 10 cycloalkylalkylic group, a substituted C 4 -C 10 cycloalkylalkylic group, a phenyl group, and a substituted phenyl group; R 9 is selected from the group consisting of a hydrogen atom, a linear or branched C 1 -C 8 alkyl group, a linear or branched C 1 -C 8 haloalkyl group, a substituted, linear or branched C 1 -C 8 alkyl group, a substituted, linear or branched C 1 -C 8 haloalkyl group, a C 3 -C 10 cycloalkyl group, a substituted C 3 -C 10 cycloalkyl group, a C 4 -C 10 cycloalkylalkylic group, a substituted C 4 -C 10 cycloalkylalkylic group, a phenyl group, and a substituted phenyl group; R 9 , when R 2 does not represent a C 1 -C 2 alkylenic chain, may also represent a C 1 -C 2 alkylenic chain which is joined to a carbon atom forming the Ar group described above; R 9 together with R 2 , may represent a linear or branched C 1 -C 8 alkylenic chain, or a linear or branched C 1 -C 8 haloalkylenic chain; R 10 is selected from the group consisting of a hydrogen atom, a linear or branched C 1 -C 8 alkyl group, a linear or branched C 1 -C 8 haloalkyl group, a substituted, linear or branched C 1 -C 8 alkyl group, a substituted, linear or branched C 1 -C 8 haloalkyl group, a C 3 -C 10 cycloalkyl group, a substituted C 3 -C 10 cycloalkyl group, a C 4 -C 10 cycloalkylalkylic group a substituted C 4 -C 10 cycloalkylalkylic group, a phenyl group, and a substituted phenyl group; R 11 is selected from the group consisting of a hydrogen atom, a linear or branched C 1 -C 8 alkyl group, a linear or branched C 1 -C 8 haloalkyl group, a substituted, linear or branched C 1 -C 8 alkyl group, a substituted, linear or branched C 1 -C 8 haloalkyl group, a C 3 -C 10 cycloalkyl group, a substituted C 3 -C 10 cycloalkyl group, a C 4 -C 10 cycloalkylalkylic group, a substituted C 4 -C 10 cycloalkylalkylic group, a phenyl group, and a substituted phenyl group; R 7 and R 11 may also represent, jointly, a linear or branched C 1 -C 8 alkylenic chain, a linear or branched C 1 -C 8 thia-alkylenic chain, a linear or branched C 1 -C 8 oxa-alkylenic chain, a linear or branched C 1 -C 8 haloalkylenic chain, a substituted, linear or branched C 1 -C 8 haloalkylenic chain, a substituted, linear or branched C 1 -C 8 alkylenic chain, a substituted, linear or branched C 1 -C 8 thiaalkylenic chain, a substituted, linear or branched C 1 -C 8 oxa-alkylenic chain, or a substituted, linear or branched C 1 -C 8 haloalkylenic chain; R c may represent a hydrogen atom, a linear or branched C 1 -C 8 alkyl group, a linear or branched C 1 -C 8 haloalkyl group, a substituted, linear or branched C 1 -C 8 alkyl group, a substituted, linear or branched C 1 -C 8 haloalkyl group, a C 3 -C 10 cycloalkyl group, a substituted C 3 -C 10 cycloalkyl group, a C 4 -C 10 cycloalkylalkylic group, a substituted C 4 -C 10 cycloalkylalkylic group, a phenyl group, a substituted phenyl group, or a group having general formula (III) described above; R c together with R 2 may represent a linear or branched C 1 -C 8 alkylenic group, a linear or branched C 1 -C 8 haloalkylenic group, a substituted, linear or branched C 1 -C 8 alkylenic group, a substituted, linear or branched C 1 -C 8 haloalkylenic group; R c , when R 2 is not a C 1 -C 2 alkylenic chain, may also represent a C 1 -C 2 alkylenic chain which is linked to a carbon atom forming the Ar group described above; R c , when R 2 does not represent a C 1 -C 2 alkylenic chain, may also represent a C 1 -C 2 alkylenic chain which is joined to a carbon atom forming the Ar group described above; R c together with R 2 , may represent a linear or branched C 1 -C 8 alkylenic chain, or a linear or branched C 1 -C 8 haloalkylenic chain. The compounds having general formula IX can have more than one asymmetrical centre. Comprised within the scope of the present invention are both compounds having general formula IX isomerically pure alone, and mixtures of these in any proportion. When a phenyl group, a naphthyl group, a thiazolic group, a penta- or hexatomic aromatic heterocyclic group or tetra-, penta- or hexatomic heterocyclic group, containing from 1 to 4 heteroatoms selected from nitrogen, sulphur and oxygen, said penta- or hexatomic aromatic heterocyclic or tetra-, penta- or hexatomic heterocyclic group being possibly benzo-condensed, a C 3 -C 10 cycloalkyl group, a C 4 -C 10 cycloalkylalkylic group, a C 1 -C 8 alkyl or haloalkyl group, a C 1 -C 8 alkylenic or haloalkylenic chain, are described as being optionally substituted, this means that said group or said chain can be substituted with one or more halogens, the same or different, selected from fluorine, chlorine, bromine and iodine, and/or with one or more groups, the same or different, selected from nitrile groups, C 1 -C 8 alkyl or haloalkyl groups, linear or branched, C 1 -C 8 alkoxylic or haloalkoxylic groups, linear or branched, C 3 -C 10 cycloalkyl groups, C 3 -C 10 cycloalkoxylic groups, C 4 -C 10 cycloalkylalkylic groups, C 4 -C 10 cycloalkylalkoxylic groups, C 4 -C 10 trialkylsilylalkylic groups, C 4 -C 10 trialkylsilylic groups, C 4 -C 10 trialkylsilyloxylic groups, C 4 -C 10 trialkylsilylalkoxylic groups, C 1 -C 9 carboalkoxylic groups, linear or branched, C 2 -C 8 alkenylic or haloalkenylic groups, linear or branched, C 1 -C 5 alkoxycarbonylaminic groups, C 1 -C 5 alkanoylaminic groups, phenyl or phenoxylic groups in turn optionally substituted with one or more halogens, the same or different, selected from fluorine, chlorine, bromine and iodine, or with C 1 -C 8 alkyl or haloalkyl groups, linear or branched, or with C 1 -C 8 alkoxylic or haloalkoxylic groups, linear or branched. In the compounds having general formula IX the optionally substituted phenyl group can also be substituted with a group having general formula (X): wherein: R 12 and R 13 , the same or different, represent a hydrogen atom; a fluorine atom; or a C 1 -C 8 alkyl or haloalkyl group, linear or branched. Examples of C 1 -C 8 alkyl or haloalkyl groups are: methyl, ethyl, propyl, 2-propyl, butyl, 2-butyl, pentyl, 2-pentyl, 3-pentyl , trifluoromethyl, 1,1,2,2-tetrafluoroethyl, etc. C 3 -C 10 cycloalkyl groups refer to n-atomic cycloalkyls such as, for example, cyclopropane, cyclopentane, cyclo-octane, etc; or cycloalkyls substituted with alkyl groups so that the total number of carbon atoms is ≤ 10 such as, for example, 1-methylcyclopropane, 2,2-dimethylcyclopropane, 1-methylcyclopentane, 2-methylcyclopentane, 4-ethylcyclohexane, etc. C 4 -C 10 cycloalkylalkylic groups refer to alkyl grous substituted with cycloalkyls so that the total number of carbon atoms is ≤ 10, such as, for example, cyclopropylmethyl, 1-(cyclopropyl)ethyl, 2-(cyclopropyl)propyl, 1-(2,2-dimethylcyclopropyl)ethyl, etc. Examples of C 1 -C 8 alkoxylic or haloalkoxylic groups are: methoxyl, ethoxyl, trifluoromethoxyl, 1,1,2,2-tetrafluoroethoxyl, 2,2,2-trifluoroethyoxyl, etc. C 3 -C 10 cycloalkoxylic groups are oxygen atoms substituted with n-atomic cycloalkyl groups such as, for example, cyclopropyloxyl, cyclopentyloxyl, cyclohexyloxyl, etc.; or C 3 -C 10 cycloalkoxylic groups substituted with alkyls so that the total number of carbon atoms is ≤ 10 such as, for example, 1-methylcycloprop-1-yloxyl, 2,2-dimethylcycloprop-1-yloxyl, etc. C 4 -C 10 cycloalkylalkoxylic groups are alkoxylic groups substituted with cycloalkyls so that the total number of carbon atoms is ≤ 10 such as, for example, cyclopropylmethoxyl, 1-(cyclopropyl)ethoxyl, 1-(2-methylcyclopropyl)ethoxyl, cyclopentylmethoxyl, (4,4-dimethylcyclohexyl)methoxyl, etc. Examples of C 4 -C 10 trialkylsilylalkyl groups are: trimethylsilylmethyl, trimethylsilylethyl, etc. Examples of C 4 -C 10 trialkylsilylic groups are: trimethylsilyl, triethylsilyl, etc. Examples of C 4 -C 10 trialkylsilyloxylic groups are: trimethylsilyloxyl, tert-butyldimethylsilyloxyl, etc. Examples of C 4 -C 10 trialkylsilylalkoxylic groups are: trimethylsilylmethoxyl, etc. C 1 -C 9 carboalkoxylic groups are groups wherein C 1 can be identified with a carboxyl whereas C n>1 is a carboxyl esterified with a C 1 -C 8 alkoxylic group defined above. Examples of C 2 -C 8 alkenylic or haloalkenylic groups are: ethylene, propylene, butene, 2,2-dichloropropene, 1,2,2-trichloropropene, etc. Examples of phenoxylic groups optionally substituted with one or more halogens or with C 1 -C 8 alkyl or haloalkyl groups, or with C 1 -C 8 alkoxylic or haloalkoxylic groups are: 4-chlorophenol, 2,4-dichlorophenol, 2-methylphenol, 4-methylphenol, 4-trifluoromethylphenol, 3-trifluoromethoxyphenol, etc. Examples of C 1 -C 5 alkoxycarbonylaminic groups are: isopropyloxycarbonylamine, tert.-butyloxycarbonylamine, etc. Examples of C 1 -C 5 alkanoylaminic groups are: acetamide, pivaloylamine, etc. Examples of C 1 -C 8 alkylenic or haloalkylenic chains are: methylene, ethylene, 1-methylethylene, 2-methylethylene, 1,1-dimethylethylene, propylene, 2,2-dimethylpropylene, 2,2-dichloroethylene, 2,2-difluorethylene, etc. Examples of C 2 -C 8 oxa-alkylenic or ω-oxa-alkylenic chains are: 1-oxaethylene, 2-oxaethylene, 2-oxa-2-methylethylene, 2-oxapropylene, 3-oxapropylene, etc. The AA aminoacidic residues can be selected from derivatives of natural aminoacids such as, for example, L-valine (-L[Val]N(R 9 )H-), D-valine (-D[Val]N(R 9 )H-), DL-valine (-DL[Val]N(R 9 )H-), L-leucine (-L[Leu]N(R 9 )H-), L-isoleucine (-L[Ile]N(R 9 )H-), DL-proline (-DL[Pro]N(R 9 )H-); or from derivatives of non-natural aminoacids such as, for example, DL-3-methylproline (-DL[Pro](3-Me)N(R 9 )H-), DL-3,3-dimethylproline (-DL[Pro] (3-Me 2 )N(R- 9 )H-), L-N-methylvaline (-L(Me) [Val]N(R 9 )H-), L-α-cyclopentylglycinamide, L-α-cyclobutylglycinamide, L-α-cyclopropylglycinamide. In the aminoacids listed, R 9 has the same meaning described above. When Q represents a group having general formula (III) and R 1 , R 2 and R 3 are hydrogen, the derivative of β-aminopropionic acid having general formula (IX) can be obtained, for example, according to the method described in "Tetrahedron Letters" (1988), Vol. 29, page 6465. When Q represents a group having general formula (III) and R 1 , R 2 and R 3 are hydrogen, or at least one of the substituents among R 1 , R 2 and R 3 is different from hydrogen and represents a C 1 -C 8 alkyl or haloalkyl group, linear or branched, the derivative of β-aminopropionic acid having general formula (IX), can be obtained by the opening of the corresponding β-lactam having general formula (XIV): wherein R 1 , R 2 , R 3 and R c and Ar have the same meaning described above, with the compound having general formula (XV): H-Y-K 2 -R b wherein Y, K 2 and R b have the same meaning described above, possibly in the presence of an organic base such as, for example, sodium hydride, potassium carbonate; or a mineral acid such as, for example, sulphuric acid, hydrochloric acid; or a Lewis acid such as, for example, zinc chloride, boron trifluoride etherate; or chlorotrimethylsilane; and in the presence or absence of a chlorinated organic solvent such as, for example, dichloromethane, 1,2-dichloroethane; or an aromatic solvent such as, for example, benzene, toluene; or a dipolar aprotic solvent such as, for example, N,N-dimethylacetamide. The above reaction is carried out at a temperature of between -10°C and 120°C. The β-lactam having general formula (XIV) can be obtained by the cycloaddition of a siutable olefin and N-chlorosulphonylisocyanate operating according to the method described, for example, in "Organic Preparations and Procedures International" (1973), Vol. 5(1), page 13; "Tetrahedron Letters" (1987), Vol. 28, page 227; "Tetrahedron Letters" (1970), Vol.3, page 245; "Tetrahedron Letters" (1977), Vol. 41, page 3643; "Journal of Organic Chemistry" (1984), Vol. 41, page 1397. Also when Q represents a group having general formula (III) and R 2 is a C 1 -C 2 alkylenic chain which is linked to a carbon atom forming the Ar group, the derivative of β-aminopropionic acid having general formula (IX) can be obtained, for example, by the opening of the corresponding β-lactam having general formula (XIV), operating under the same conditions described above, in turn prepared by the cycloaddition of an indene suitably substituted in the aromatic portion and N-chlorosulphonylisocyanate as described, for example, in "Organic Preparations and Procedures International" (1973), Vol. 5(1), page 13. When Q represents a group having general formula (III), R 2 together with R b represents a direct bond and K 2 is not a direct bond, the derivative of β-aminoproprionic acid having general formula (IX), can be obtained by the addition of a suitable benzylamine having general formula (XVI): wherein R 14 represents a C 1 -C 8 alkyl or haloalkyl group, linear or branched, to a β-ketoester having general formula (XVII): wherein R 1 , K 2 , Ar and Y have the same meaning described above, operating under the same conditions described, for example, in "Tetrahedron" (1993), Vol. 49, page 1579. From the above addition reaction, an imine derivative is obtained having general formula (XVIII): which is subsequently reduced, for example, by reaction with a borane operating according to the method described, for example, in "Tetrahedron Asimmetry" (1994), Vol. 5, page 1455, to obtain the derivative of β-aminopropionic acid having general formula (IX) wherein R c is benzyl and R 3 is hydrogen. When R 1 is different from hydrogen, the imine derivative having general formula (XVIII), can be added to a lithium derivative having general formula (XIX): R 3 -Li wherein R 3 has the same meaning described above, in the presence of an ether-type solvent such as, for example, tetrahydrofuran, at a temperature of between -78°C and -20°C, obtaining the derivative of β-aminopropionic acid having general formula (IX) wherein R c is benzyl and R 3 is different from hydrogen. A further procedure for obtaining the derivative of β-aminopropionic acid having general formula (IX) in one of the particular cases mentioned above, and in particular in the case wherein R c is different from hydrogen, consists in the addition of an anion having general formula (XXI): wherein R 1 , R 2 , Y, K 2 and R b have the same meaning described above or of one of its equivalent synthon, to an iminic derivative having general formula (XXII): wherein R 3 and Ar have the same meaning described above and R 15 has the same meaning described above for the substituent R c , or represents a benzylic group, to obtain a compound having general formula (XXIII): The reaction described above can be carried out operating according to numerous methods described in the art such as, for example, in "Angewante Chemie" (1989), International Edition, Vol. 28, page 1068; "Tetrahedron Letters" (1991), Vol. 32, page 3151; "Chemical Pharmaceutical Bulletin " (1978), Vol. 26, page 260. This reaction is particularly useful when compounds are to be obtained having general formula (IX) wherein R 1 is trifluoromethyl, R 2 is hydrogen or a C 1 -C 8 alkyl or haloalkyl group; or compounds having general formula (IX) wherein R 1 and R 2 are fluorine. These compounds can be obtained in fact using as equivalent synthon to the anion having general formula (XXI), organic zinc described in "Chemistry Letters" (1987), page 1971 or organic zinc described in "Tetrahedron Letters" (1984), Vol. 25, page 2301, respectively. When a compound is to be obtained having general formula (IX) wherein only one between R 1 and R 2 is fluorine, it is convenient to use one of the methods described in "Tetrahedron Asimmetry" (1994), Vol. 5, page 955 or in "Tetrahedron Asimmetry" (1994), Vol. 5, page 1005. When the substituent R 15 represents a benzylic group, this group can be easily removed by hydrogenation in the presence of palladium oxide (Pd(OH) 2 ) as catalyst, operating according to the method described, for example, in "Tetrahedron Asimmetry" (1991), Vol.2, page 183. When Q represents a group having general formula (III) and R 2 together with R 3 , represents a C 1 -C 8 alkylenic or haloalkylenic chain, the derivative of β-aminopropionic acid having general formula (IX) can be obtained by the methods described,for example, in "Tetrahedron Letters" (1973), Vol. 38, page 3719. When Q is a group having general formula (III) and R 2 together with R 1 represents a C 1 -C 8 alkylenic or haloalkylenic chain, the derivative of β-aminopropionic acid having general formula (IX) can be obtained with the methods described, for example, in "Tetrahedron Letters" (1973), Vol. 38, page 3719, "Journal Organic Chemistry" (1970), Vol. 35, page 2043, "Journal Organic Chemistry" (1985), Vol. 50, page 169. When Q represents a group having general formula (III) and R c represents a C 1 -C 2 alkylenic chain which is joined to a carbon atom forming the Ar group, the derivative of β-aminopropionic acid having general formula (IX) can be obtained, for example, by means of the following reaction scheme (ii): The reaction (ii) sketched above, is carried out by reacting the amine having general formula (XXIV) wherein E represents one of the possible substituents previously defined for a phenyl group optionally substituted, n is an integer between 1 and 2, with tert.-butyllithium and carbon dioxide, then with a mole of n-butyllithium and finally alkylated with the bromide having general formula (XXV) wherein R 1 , R 2 , Y, K 2 and R b have the meaning described above, operating under the conditions described in "Tetrahedron Letters" (1986), Vol. 42, page 2571. When Q represents a group having general formula (III) and R 2 together with R c represents a C 1 -C 8 alkylenic or haloalkylenic chain, the derivative of β-aminopropionic acid having general formula (IX) can be obtained, for example, with the method described in "Tetrahedron Asimmetry" (1994), Vol. 5, page 1455. Any derivative of β-aminopropionic acid having general formula (IX) wherein R c is different from hydrogen, can be obtained from any compound having general formula (IX) wherein R c is hydrogen obtained, in turn, protecting the nitrogen atom with the tert-butoxycarbonyl or benzyloxycarbonyl group with one of the many methods described in literature. When Q represents a cyano group, the derivative of β-aminopropionic acid having general formula (IX) can be obtained, for example, with the method described in "Tetrahedron Letters" (1990), Vol. 31, page 6379; or it can be obtained from the corresponding compounds having general formula (IX) wherein Q represents the group having general formula (III), by simply transforming the same group into amide and dehydrating this, operating with one of the many methods described in literature. When Q represents a thiazolic group, the derivative of β-aminopropionic acid having general formula (IX) can be obtained from the corresponding compounds having general formula (IX) wherein Q represents the group having general formula (III), by simply transforming the same group into amide and dehydrating this operating, for example, as described in "Synthetic Communications" (1990), Vol. 20, page 2235, or in "Tetrahedron Letters" (1990), Vol. 46, page 8267. Similarly, if in the desired derivative of β-aminopropionic acid having general formula (IX), Q represents a group having general formula (III) wherein the group Y-K 2 -R b is not compatible with the preparative method selected, it is easy to prepare the derivative having general formula (IX) wherein the group Y-K 2 -R b represents -O-CH 2 -Ph (Ph = phenyl) or -O-C(CH 3 ) 3 which, at the end of the reaction, can be easily removed, by, respectively, hydrogenation and by treatment with acids so as to obtain the corresponding acid of the derivative having general formula (IX) wherein Y-K 2 -R b represents OH. This acid can then be easily transformed into the desired group having general formula (III) using one of the numerous methods described in literature such as, for example, in "The Practice of Peptide Synthesis" (1984), pages 89-150, Springer-Verlag Ed., after possible protection of the aminic group with, for example, groups which can be easily removed such as tert.-butoxycarbonyl and benzyloxycarbonyl, operating with the methods described, for example, in "The Practice of Peptide Synthesis" (1984), pages 89-150, Springer-Verlag Ed. The compounds having general formula IX have a particularly fungicidal activity against phytopathogen fungi which attack cultivations of vines, sugarbeet, cereals, Cucurbitaceae and fruit trees. Plant diseases which can be fought with the compounds having general formula IX of the present invention are, for example, the following: Plasmopara viticola on vines; Sphaerotheca fuliginea on Cucurbitaceae; Phythium on vegetables; Phytophthora spp. on vegetables; Helminthosporium teres on cereals; Erisyphe graminis on cereals; Puccinia spp. on cereals; Septoria spp. on cereals; Rhynchosporium on cereals; Podosphera leucotricha on cereals; Uncinula necator on vines; Venturia spp. on fruit; Pyricularia oryzae on rice; Botrytis cinerea; Fusarium spp. on cereals; etc. The compounds having general formula IX are capable of carrying out a fungicidal activity which is both curative and preventive and, in addition, they have a very limited or no phytotoxicity at all. For practical use in agriculture it is often useful to use fungicidal compositions containing one or more compounds having general formula IX, possibly also as a mixture of isomers, as active substance. The application of these compositions can be on any part of the plant, for example on the leaves, stalks, branches and roots, or on the seeds themselves before being planted, or also on the soil where the plant grows. Compositions can be used which are in the form of dry powders, wettable powders, emulsionable concentrates, micro-emulsions, pastes, granules, solutions, suspensions, etc: the selection of the type of composition depends on the specific use. The compositions are prepared in the known way, for example by diluting or dissolving the active substance with a solvent and/or solid diluent, possibly in the presence of surface-active agents. Solid diluents or supports which can be used are: silica, kaolin, bentonite, talc, infusorial earth, dolomite, calcium carbonate, magnesia, chalk, clays, synthetic silicates, attapulgite, sepiolite. As liquid diluents, apart from water of course, various solvents can be used, for example aromatics (xylols or mixtures of alkylbenzols), chloroaromatics (chlorobenzol), paraffins (petroleum fractions), alcohols (methanol, propanol, butanol, octanol, glycerine), amines, amides (N,N-dimethylformamide, N-methylpyrrolidone), ketones (cyclohexanone, acetone, acetophenone, isophorone, ethylamylketone), esters (isobutyl acetate). Surface-active agents which can be used are salts of sodium, calcium, triethanolamine or triethylamine of alkylsulphonates, alkylarylsulphonates, polyethoxylated alkylphenols, fatty alcohols condensed with ethylene oxide, polyoxyethylated fatty acids, esters of polyoxyethylated sorbitol, lignin sulphonates. The compositions can also contain special additives for particular purposes such as, for example, adhesion agents, such as arabic rubber, polyvinyl alcohol, polyvinylpyrrolidone. If desired, it is also possible to add other compatible substances to the compositions of the present invention such as, for example, fungicides, phytoregulators, antibiotics, weed-killers, insecticides, fertilizers. Examples of fungicides which can be included in the composition of the invention are alanicarb, ampropylfos, anilazine, azaconazol, BAS 490 F, benomyl, biloxazol, binapacryl, bitertanol, blasticidine S, bromoconazol, bupyrimate, butenachlor, butiobate captafol, captan, carbendazim, carboss, quinoethionate chlorobenzothiazone, cloroneb, chlorothalonyl, clozolinate, clozylacon, copper salts, cyclohexyimide, cymonaxyl, cyproconazol, cyprofuran, diclofuanid, diclone diclobutrazol, diclomezine, dicloran, didecyl- or dimethyl-ammonium chloride, dietophencarb, dipheconazol, dimefluazol, dimethconazol, dimethomorph, dimethyrimol, diniconazol, dinocap, dipyrition, dithalimphos, dithianon, dodemorph, dodine, doguadine, ediphenphos, epoxyconazol, ethconazol, ethyrimol, ethoxyquin, ethridiazol, fenaminosulf, fenapanyl, fenarimol, fenbuconazol, fenfuran, fenpiclonyl, fenpropidin, fenpropimorph, fentin acetate, ferbam, fluazinam, fluoroimide, fluotriamzol, flutolanyl, flutriafol, fluzylazol, folpet, fuberidazol, furalaxyl, cis-furconazol, guazatine, ICI A 5504, hydroxyisooxazol, imesazol, imazalyl, imibenconazol, ipconazol, iprobenfos, iprodion, isoprotiolan, kasugamycin, mancozeb, maneb, mepanipyrim, mepronyl, metalaxyl, metconazol, metfuroxam, metiram, metsulfovax, myclobutanyl, neoasozin, nuarimol, ofurax, oxadixyl, oxycarboxyn, perfurazoate, penconazol, pencycuron, phenazine oxide, fosetyl-Al, phosphoric acids, phthalide, polyoxin D, polyram, probenazol, procloraz, procimidone, propamocarb, propiconazol, propineb, propionic acid, protiocarb, pyracarbolid, pyrazofos, pyriphenox, pyroquilon, pyroxyfur, pyrrolnitrin, compounds containing quaternary ammonium, quinconazol, quinomethionate, quintozene, rabenazol, sodium pentachlorophenate, SSF 126, SSF 129, streptomycin, sulphur, tebuconazol, teclophthalam, tecnazene, thyabendazol, thycarbanyl, thyciophen, 2-(thiocyanomethylthio)benzothiazol, methyl-thiophanate, tiram, thymibenconazol, methyl-thyclophos, tolylfluanid, triacetate salt of 1,1'-imino-di(octamethylene)diguanidine, triadimephon, triadimenol, triazabutyl, triazaoxide, tricyclazol, tridemorf, triforin, triflumizol, trithyconazol, validamycin A, vapam, vinclozolin, zineb and ziram. The concentration of active substance in the above compositions can vary within a wide range, depending on the active compound, the crop, the pathogen, the environmental conditions and type of formulation adopted. In general the concentration of active substance varies between 0.1% and 95%, preferably between 0.5% and 90%. The examples hereunder are illustrative and do not limit the present invention. Table 30 illustrates the elemental analysis of the synthesized compounds. EXAMPLE 5 Sythesis of DL-β-phenyl-β-alanine (corresponding to 3-phenyl-3-aminopropanoic acid) (Compound Nr. 12.1) A suspension of 100 g of benzaldehyde, 94 g of malonic acid, 109 g of ammonium acetate in 300 cm 3 of ethanol, is brought to boiling point in a nitrogen atmosphere, under vigorous stirring. The suspension is mantained under the above conditions for about eight hours. The suspension is then cooled to 20°C and the white crystalline solid precipitate is filtered. The white crystalline solid thus obtained is washed twice with ethyl ether (200 cm 3 for each washing). After drying under vacuum in the presence of phosphoric anhydride, 90 g of the desired compound are obtained with a yield of 58%, and with a melting point equal to 229°C. EXAMPLE 6 Operating with the same procedure described in example 5, the other compounds having general formula (I) and shown in Tables 12, were prepared. EXAMPLE 8 Preparation of 3,3-dimethyl-4-phenylazetidin-2-one (Compound Nr. 20.4). A solution of 24.4 g of N-(4-methoxy-phenyl)-3,3-dimethyl-4-phenylazetidin-2-one and 16.5 g of lithium perchlorate in a mixture of 500 cm 3 of acetonitrile and 50 cm 3 of water, is subjected to electrolysis in a unseparated cell, using a graphite anode and a stainless steel grille as cathode and maintaining a constant potential difference of 1.5 V. At the end of the reaction the solution is concentrated to 1/4 of volume. An extraction is made with ethyl acetate and the organic phase is washed with a solution of aqueous sodium sulphite at 10% and then with water; it is dried with sodium sulphate and then evaporated. The raw product is purified on silica gel, using a mixture of ethyl acetate/hexane as eluant in a ratio of 3/7 and 15.4 g of 3,3-dimethyl-4-phenylazetidin-2-one are obtained (yield (98%). EXAMPLE 11 Preparation of methyl ester of 3-phenyl-3-amino-2,2-dimethylpropanoic acid (Compound Nr. 19.14) A solution of 15.4 g of 3,3-dimethyl-4-phenylazetidin-2-one and 14.3 g of chlorotrimethylsilane in 150 cm 3 of anhydrous methanol are refluxed for 6 hours. The solution is then evaporated and ethyl acetate and aqueous sodium -bicarbonate at 5% are added. The organic phase is washed with water, is dried on sodium sulphate, and is then evaporated, obtaining 17.8 g of methyl 3-phenyl-3-amino-2,2-dimethylpropanoate (yield 98%). EXAMPLE 12 Preparation of the tert.-butylic ester of 3-amino-3-phenylpropionic acid (Compound Nr. 12.1). A solution of 10 g of 4-phenylazetidin-2-one and 15.2 g of chlorotrimethylsilane in 150 cm 3 of anhydrous tert.-butanol are refluxed for 7 days. The solution is then evaporated and ethyl acetate and aqueous sodium bicarbonate at 5% are added. The organic phase is washed with water, dried on sodium sulphate and is then evaporated. 7 g of tert.- butyl 3-phenyl-3-aminopropanoate are obtained (yield 47%). EXAMPLE 13 Preparation of N-methyl amide of 3-amino-3-phenylpropionic acid (Compound Nr. 19.24) 40 cm 3 of an aqueous solution of N-methylamine at 40% are added to a solution of 4 g of 4-phenylazetidin-2-one in 40 cm 3 of tetrahydrofuran. After 5 days at room temperature, the solvents are evaporated, and dichloromethane is added. The mixture is dried on sodium sulphate, the solvent is evaporated and 4.7 g of the desired product-are obtained (yield 98%). EXAMPLE 14 Preparation of the isopropylic ester of 3-amino-3-phenylpropionic acid (Compound Nr. 26.9). 14.3 g of thionyl chloride are slowly added to a suspension of 20 g of 3-amino-3-phenylpropionic acid in 400 cm 3 of anhydrous isopropanol and the solution is then brought to reflux temperature for three hours. (Alternatively it is possible to substitute the thionyl chloride with gaseous hydrochloric acid with which the alcohol solution is saturated). The solvent is evaporated and ethyl acetate and aqueous sodium bicarbonate at 5% are added to the raw product. The organic phase is washed with water, dried on sodium sulphate, and then evaporated. 24.9 g of the desired product are obtained (yield 99%). EXAMPLE 15 The products indicated in Tables 19 and 26 were obtained with the same procedures described in examples 11, 12, 13 and 14. EXAMPLE 20 Preparation of 3-[N-(4-methoxyphenyl)]amino-3-phenyl-2,2-dimethylpropanoic acid (Compound Nr. 27.1). 13.13 g of caustic soda are added to a solution of the methyl ester of 3-[N-(4-methoxyphenyl)]amino-3-phenyl-2,2-dimethylpropanoic acid (compound Nr. 19.3) in 30 cm 3 of methanol. The mixture is refluxed for 12 hours and the solvent is then removed by distillation at reduced pressure. 0.4 g of the crude sodium salt of the desired acid are obtained. Alternatively, it is possible to treat the ester with hydrochloric acid 36N, maintaining the whole mixture at reflux temperature for 12 hours and obtaining the corresponding hydrochloride. The sodium salt or hydrochloride are purified by elution on resin. Yield 75%. EXAMPLE 21 The products listed in Table 27 were prepared using the same method described in example 20. EXAMPLE 22 Preparation of 1-amino-1-phenyl-2-(4,5-dimethylthiazol-2-yl)ethane; Compound Nr.24.1 a) A solution of 5 g of 2,4,5-trimethylthiazol in 10 cm 3 of anhydrous THF is added at -78°C to a solution of 4.6 g of lithium isopropylamide, prepared in situ by adding 27 cm 3 of n-butyllithium (1.6 M solution in hexane) to a solution of 4.35 g of diisopropylamine in 60 cm 3 of anhydrous THF. After about 60 minutes a solution of 5.26 g of benzonitrile in 50 cm 3 of anhydrous THF is slowly added dropwise, the temperature being maintained at -78°C for a further 90 minutes. The temperature is left to rise slowly and the mixture is then left under stirring for a night. The solvent is evaporated, and ethyl acetate is added. The organic phase is washed with water, dried on sodium sulphate and is then evaporated. The raw product is purified on silica gel, using a mixture of ethyl acetate/hexane as eluant in a ratio of 3/7. 6.8 g of 1-amino-1-phenyl-2-(4,5-dimethylthiazol-2-yl)ethylene are obtained (yield 76%). b) A 2 N hydroalcoholic solution of hydrochloric acid is added to a solution of 3 g of 1-amino-1-phenyl-2-(4,5-dimethylthiazol-2-yl)ethylene in 100 cm 3 of methanol and containing a green trace of bromocresol, until the colour changes from night-blue to yellow-orange. 0.82 g of sodiumcyanoboride are added under vigorous stirring, the acid solution being maintained by the addition of the hydroalcoholic hydrochloric solution. After an hour at room temperature, the solvent is evaporated, water is added, which is washed with ethyl ether. The aqueous phase is then basified with sodium hydroxide and extracted with ethyl acetate. It is dried on sodium sulphate and the solvent is evaporated. 1.5 g of 1-amino-1-phenyl-2-(4,5-diemthylthiazol-2-yl)ethane are obtained (yield 50%). EXAMPLE 23 The products listed in Table 24 were prepared using the same method described in example 22. EXAMPLE 24 Determination of the preventive fungicidal activity against vine mildew ( Plasmopara viticola). Plant leaves of the cultivar Dolcetto vine, grown in vases in a conditioned environment (20±1°C 70% relative humidity), are treated by spraying both sides of the leaf with the compounds indicated in Tables 3-12-19-24-26-27-28 in a hydroacetonic solution at 20% by volume in acetone. After remaining 24 hours in a conditioned environment the plants are sprayed on both sides of the leaf with an aqueous suspension of conidia of Plasmopara viticola (200000 conidia per cm 3 ). The plants are maintained in a humidity saturated environment, at 21°C, for the incubation period of the fungus. At the end of this period (7 days), the fungicidal activity is evaluated according to a percentage evaluation scale from 100 (healthy plant) to 0 (completely infected plant). All the synthesized compounds showed a control of more than 90, at the concentration used of 2000 ppm. EXAMPLE 25 Determination of the preventive fungicidal activity against cucumber mildew (Sphaerotheca fuliginea) Leaves of cultivar Marketer cucumber plants, grown in vases in a conditioned environment (20±1°C, 70% relative humidity), are treated by spraying both sides of the leaf with the compounds indicated in Tables 3-12-19-24-26-27-28 in a hydroacetonic solution at 20% by volume in acetone. After remaining 24 hours in a conditioned environment the plants are sprayed on both sides of the leaf with an aqueous suspension of conidia of Sphaerotheca fuliginea (200000 conidia per cm 3 ). The plants are maintained in a humidity saturated environment, at 21°C, for the incubation period of the fungus. At the end of this period (8 days), the fungicidal activity is evaluated according to a percentage evaluation scale from 100 (healthy plant) to 0 (completely infected plant). All the synthesized compounds showed a control of more than 90, at the concentration used of 2000 ppm. COMPOUND Nr THEORETICAL % FOUND % 3.3 C: 66.64 C: 66.59 H: 8.55 H: 8.58 N: 9.14 N: 9.17 3.4 C: 65.00 C: 65.02 H: 8.43 H: 8.41 N: 6.89 N: 6.86 3.5 C: 67.26 C: 67.24 H: 8.47 H: 8.47 N: 4.36 N: 4.34 3.6 C: 68.03 C: 68.05 H: 8.71 H: 8.69 N: 4.18 N: 4.17 3.7 C: 68.23 C: 68.24 H: 9.04 H: 9.03 N: 8.38 N: 8.40 12.1 C: 65.44 C: 65.50 H: 6.71 H: 6.71 N: 8.48 N: 8.47 12.2 C: 61.53 C: 61.58 H: 6.71 H: 6.69 N: 7.17 N: 7.17 12.3 C: 54.15 C: 54.09 H: 5.05 H: 5.09 N: 7.02 N: 7.04 12.4 C: 51.51 C: 51.55 H: 4.32 H: 4.33 N: 6.01 N: 6.08 12.5 C: 63.15 C: 63.11 H: 5.30 H: 5.32 N: 14.73 N: 14.70 12.6 C: 44.29 C: 44.31 H: 4.13 H: 4.15 N: 5.74 N: 5.76 12.7 C: 67.02 C: 66.99 H: 7.31 H: 7.34 N: 7.83 N: 7.85 12.8 C: 68.37 C: 68.37 H: 7.82 H: 7.84 N: 7.25 N: 7.27 19.1 C: 72.82 C: 72.84 H: 7.40 H: 7.39 N: 4.47 N: 4.47 19.2 C: 73.87 C: 73.85 H: 7.97 H: 7.99 N: 4.10 N: 4.09 19.3 C: 72.82 C: 72.81 H: 7.40 H: 7.41 N: 4.47 N: 4.46 19.4 C: 68.03 C: 68.05 H: 6.34 H: 6.34 N: 4.41 N: 4.40 19.5 C: 76.30 C: 76.32 H: 7.47 H: 7.47 N: 4.94 N: 4.94 19.6 C: 73.59 C: 73.58 H: 8.03 H: 8.04 N: 8.58 N: 8.59 19.7 C: 73.05 C: 73.07 H: 7.74 H: 7.73 N: 8.97 N: 8.94 19.8 C: 72.46 C: 72.45 H: 7.43 H: 7.44 N: 9.39 N: 9.40 19.9 C: 67.10 C: 67.09 H: 6.97 H: 6.98 N: 3.73 N: 3.73 19.10 C: 73.37 C: 73.37 H: 7.70 H: 7.68 N: 4.28 N: 4.29 19.11 C: 72.61 C: 72.60 H: 7.42 H: 7.43 N: 7.36 N: 7.35 19.12 C: 66.56 C: 66.58 H: 6.98 H: 6.99 N: 7.76 N: 7.74 19.13 C: 62.59 C: 62.57 H: 6.71 H: 6.73 N: 12.17 N: 12.19 19.14 C: 69.54 C: 69.55 H: 8.27 H: 8.29 N: 6.76 N: 6.78 19.15 C: 71.46 C: 71.49 H: 8.99 H: 9.01 N: 5.95 N: 5.93 19.16 C: 72.25 C: 72.27 H: 9.30 H: 9.33 N: 5.62 N: 5.61 19.17 C: 62.98 C: 62.97 H: 5.82 H: 5.82 N: 3.67 N: 3.67 19.18 C: 56.72 C: 56.72 H: 5.86 H: 5.88 N: 5.09 N: 5.08 19.19 C: 68.37 C: 68.38 H: 7.82 H: 7.83 N: 7.25 N: 7.23 19.20 C: 71.46 C: 71.45 H: 8.99 H: 9.00 N: 5.95 N: 5.93 19.21 C: 70.87 C: 70.84 H: 9.15 H: 9.11 N: 12.72 N: 12.76 19.22 C: 68.72 C: 68.70 H: 8.39 H: 8.40 N: 14.57 N: 14.55 19.23 C: 69.87 C: 69.90 H: 8.80 H: 8.80 N: 13.58 N: 13.58 19.24 C: 67.39 C: 67.40 H: 7.92 H: 7.91 N: 15.72 N: 15.75 19.25 C: 58.28 C: 58.25 H: 6.67 H: 6.68 N: 12.36 N: 12.34 19.26 C: 56.47 C: 56.49 H: 6.16 H: 6.19 N: 13.17 N: 13.14 19.27 C: 69.87 C: 69.91 H: 8.80 H: 8.79 N: 13.58 N: 13.57 24.1 C: 67.20 C: 67.24 H: 6.94 H: 6.93 N: 12.06 N: 12.09 24.2 C: 68.25 C: 68.26 H: 7.36 H: 7.35 N: 11.37 N: 11.38 24.3 C: 58.53 C: 58.54 H: 5.67 H: 5.66 N: 10.50 N: 10.48 24.4 C: 64.67 C: 64.68 H: 5.92 H: 5.93 N: 13.71 N: 13.70 24.5 C: 55.34 C: 55.32 H: 4.64 H: 4.64 N: 11.73 N: 11.72 24.6 C: 70.34 C: 70.36 H: 6.21 H: 6.20 N: 8.63 N: 8.63 24.7 C: 74.96 C: 74.96 H: 7.19 H: 7.20 N: 8.32 N: 8.32 24.8 C: 69.19 C: 69.21 H: 7.74 H: 7.75 N: 10.76 N: 10.78 24.9 C: 64.72 C: 64.71 H: 6.88 H: 6.88 N: 10.06 N: 10.08 26.1 C: 56.21 C: 56.20 H: 5.66 H: 5.70 N: 6.56 N: 6.51 26.2 C: 67.02 C: 67.10 H: 7.31 H: 7.35 N: 7.82 N: 7.79 26.3 C: 58.03 C: 58.09 H: 6.20 H: 6.15 N: 6.15 N: 6.12 26.4 C: 68.37 C: 68.41 H: 7.82 H: 7.84 N: 7.25 N: 7.25 26.5 C: 51.35 C: 51.38 H: 5.88 H: 5.92 N: 5.44 N: 5.40 26.6 C: 63.38 C: 63.35 H: 7.22 H: 7.19 N: 5.28 N: 5.30 26.7 C: 60.75 C: 60.79 H: 6.37 H: 6.38 N: 5.90 N: 5.85 26.8 C: 70.56 C: 70.58 H: 8.65 H: 8.61 N: 6.33 N: 6.31 26.9 C: 65.54 C: 65.58 H: 8.27 H: 8.20 N: 6.76 N: 6.75 26.10 C: 71.56 C: 71.52 H: 6.71 H: 6.71 N: 4.91 N: 4.92 26.11 C: 75.27 C: 75.32 H: 6.71 H: 6.68 N: 5.49 N: 5.52 27.1 C: 72.22 C: 72.17 H: 7.07 H: 7.10 N: 4.68 N: 4.67 27.2 C: 70.35 C: 70.40 H: 6.21 H: 6.23 N: 8.64 N: 8.67 27.3 C: 67.02 C: 67.10 H: 7.31 H: 7.30 N: 7.82 N: 7.86 27.4 C: 58.03 C: 58.09 H: 6.20 H: 6.18 N: 6.15 N: 6.12 27.5 C: 64.77 C: 64.79 H: 6.04 H: 6.08 N: 4.20 N: 4.25 27.6 C: 68.37 C: 68.33 H: 7.82 H: 7.79 N: 7.25 N: 7.27 28.1 C: 63.92 C: 64.01 H: 6.63 H: 6.65 N: 4.38 N: 4.30 28.2 C: 49.11 C: 49.16 H: 5.30 H: 5.34 N: 8.18 N: 8.20 28.3 C: 67.31 C: 67.27 H: 6.98 H: 7.00 N: 4.62 N: 4.63 28.4 C: 64.12 C: 64.15 H: 6.96 H: 7.01 N: 8.80 N: 8.81 28.5 C: 77.11 C: 77.10 H: 7.19 H: 7.19 N: 9.99 N: 10.13 28.6 C: 75.82 C: 75.86 H: 8.10 H: 8.02 N: 16.08 N: 16.16

Claims: USE AS A FUNGICIDE OF COMPOUNDS HAVING GENERAL FORMULA (IX) wherein Ar is selected from the group consisting of a phenyl group, a naphthyl group, a penta- or hexatomic aromatic heterocyclic group containing from 1 to 4 heteroatoms selected from nitrogen, sulphur and oxygen, said aromatic heterocyclic group possibly being benzo-condensed, a C 3 -C 10 cycloalkyl group, a substituted phenyl group, a substituted naphthyl group, a substituted penta- or hexatomic aromatic heterocyclic group containing from 1 to 4 heteroatoms selected from nitrogen, sulphur and oxygen, said aromatic heterocyclic group possibly being benzo-condensed, and a substituted C 3 -C 10 cycloalkyl group; Q is selected from the group consisting of a cyano group, a thiazolic group, a substituted thiazolic group, a group having the general formula (III): wherein Y is selected from the group consisting of an oxygen atom, a group having the general formula (IV): and an AA aminoacidic residue; R b is selected from the group consisting of a hydrogen atom, a linear or branched C 1 -C 8 alkyl group, a linear or branched C,-Cs haloalkyl group, a C 4 -C 10 cycloalkylalkylic group, a phenyl group, a naphthyl group, a tetra-, penta- or hexatomic heterocyclic group containing from 1 to 4 heteroatoms selected from nitrogen, sulphur and oxygen, said aromatic heterocyclic group being optionally benzo-condensed, a C 3 -C 10 cycloalkyl group, a substituted, linear or branched C 1 -C 8 alkyl group, a substituted, linear or branched C 1 -C 8 haloalkyl group, a substituted C 4 -C 10 cycloalkylalkylic group, a substituted phenyl group, a substituted naphthyl group, a substituted, tetra-, penta- or hexatomic heterocyclic group containing from 1 to 4 heteroatoms selected from nitrogen, sulphur and oxygen, said aromatic heterocyclic group being possibly benzo-condensed, and a substituted C 3 -C 10 cycloalkyl group; K 2 is selected from the group consisting of a direct bond, a linear or branched C 1 -C 8 alkylenic group, a linear or branched C 1 -C 8 haloalkylenic group, a substituted, linear or branched C 1 -C 8 alkylenic group, a substituted, linear or branched C 1 -C 8 haloalkylenic group, and a linear or branched C 2 -C 8 ω-oxa-alkylenic group; R 1 may represent a hydrogen atom, a fluorine atom, a linear or branched C 1 -C 8 alkyl group, a linear or branched C 1 -C 8 haloalkyl group, a substituted, linear or branched C 1 -C 8 alkyl group, or a substituted, linear or branched C 1 -C 8 haloalkyl group; R 2 may represent a hydrogen atom, a fluorine atom, a linear or branched C 1 -C 8 alkyl group, a linear or branched C 1 -C 8 haloalkyl group, a substituted, linear or branched C 1 -C 8 alkyl group, a substituted, linear or branched C 1 -C 8 haloalkyl group, a C 1 -C 2 alkylenic chain which is joined to a carbon atom forming the above Ar group, or a substituted C 1 -C 2 alkylenic chain which is joined to a carbon atom forming the above Ar group; R 2 together with R b may represent a direct bond when K 2 does not represent a direct bond; R 2 together with R 3 may represent a linear or branched C 1 -C 8 alkylenic chain, a substituted, linear or branched C 1 -C 8 alkylenic chain, a linear or branched C 1 -C 8 haloalkylenic chain, or a substituted, linear or branched C 1 -C 8 haloalkylenic chain; R 2 together with R 1 may represent a linear or branched C 1 -C 8 alkylenic chain, a substituted, linear or branched C 1 -C 8 alkylenic chain, a linear or branched C 1 -C 8 haloalkylenic chain, or a substituted, linear or branched C 1 -C 8 haloalkylenic chain; R 3 may represent a hydrogen atom, a linear or branched C 1 -C 8 alkyl group, a linear or branched C 1 -C 8 haloalkyl group, a substituted, linear or branched C 1 -C 8 alkyl group, a substituted, linear or branched C 1 -C 8 haloalkyl or a group having general formula (III) described above; R 4 may represent a hydrogen atom, a linear or branched C 1 -C 8 alkyl group, a linear or branched C 1 -C 8 haloalkyl group, a substituted, linear or branched C 1 -C 8 alkyl group, or a substituted, linear or branched C 1 -C 8 haloalkyl group; R 4 together with R b may represent a C 1 -C 2 alkylenic chain when K 2 does not represent a direct bond; AA represents an aminoacidic residue having general formula (VI): wherein: L represents a group having general formula (VII): G represents a direct bond, or a group having general formula (VIII): R 6 is selected from the group consisting of a hydrogen atom, a linear or branched C 1 -C 8 alkyl group, a linear or branched C 1 -C 8 haloalkyl group, a substituted, linear or branched C 1 -C 8 alkyl group, a substituted, linear or branched C 1 -C 8 haloalkyl group, a C 3 -C 10 cycloalkyl group, a substituted C 3 -C 10 cycloalkyl group, a C 4 -C 10 cycloalkylalkylic group, a substituted C 4 -C 10 cycloalkylalkylic group, a phenyl group, and a substituted phenyl group; R 7 is selected from the group consisting of a hydrogen atom, a linear or branched C 1 -C 8 alkyl group, a linear or branched C 1 -C 8 haloalkyl group, a substituted, linear or branched C 1 -C 8 alkyl group, a substituted, linear or branched C 1 -C 8 haloalkyl group, a C 3 -C 10 cycloalkyl group, a substituted C 3 -C 10 cycloalkyl group, a C 4 -C 10 cycloalkylalkylic group, a substituted C 4 -C 10 cycloalkylalkylic group, a phenyl group, and a substituted phenyl group; R 6 and R 7 may also represent, jointly, a linear or branched C 1 -C 8 alkylenic chain, a linear or branched C 1 -C 8 thia-alkylenic chain, a linear or branched C 1 -C 8 oxa-alkylenic chain, a linear or branched C 1 -C 8 haloalkylenic chain, a substituted, linear or branched C 1 -C 8 alkylenic chain, a substituted, linear or branched C 1 -C 8 thia-alkylenic chain, a substituted, linear or branched C 1 -C 8 oxa-alkylenic chain, or a substituted, linear or branched C 1 -C 8 haloalkylenic chain; R 8 is selected from the group consisting of a hydrogen atom, a linear or branched C 1 -C 8 alkyl group, a linear or branched C 1 -C 8 haloalkyl group, a substituted, linear or branched C 1 -C 8 alkyl group, a substituted, linear or branched C 1 -C 8 haloalkyl group, a C 3 -C 10 cycloalkyl group, a substituted C 3 -C 10 cycloalkyl group, a C 4 -C 10 cycloalkylalkylic group, a substituted C 4 -C 10 cycloalkylalkylic group, a phenyl group, and a substituted phenyl group; R 9 is selected from the group consisting of a hydrogen atom, a linear or branched C 1 -C 8 alkyl group, a linear or branched C 1 -C 8 haloalkyl group, a substituted, linear or branched C 1 -C 8 alkyl group, a substituted, linear or branched C 1 -C 8 haloalkyl group, a C 3 -C 10 cycloalkyl group, a substituted C 3 -C 10 cycloalkyl group, a C 4 -C 10 cycloalkylalkylic group, a substituted C 4 -C 10 cycloalkylalkylic group, a phenyl group, and a substituted phenyl group; R 9 , when R 2 does not represent a C 1 -C 2 alkylenic chain, may also represent a C 1 -C 2 alkylenic chain which is joined to a carbon atom forming the Ar group described above; R 9 together with R 2 , may represent a linear or branched C 1 -C 8 alkylenic chain, or a linear or branched C 1 -C 8 haloalkylenic chain; R 10 is selected from the group consisting of a hydrogen atom, a linear or branched C 1 -C 8 alkyl group, a linear or branched C 1 -C 8 haloalkyl group, a substituted, linear or branched C 1 -C 8 alkyl group, a substituted, linear or branched C 1 -C 8 haloalkyl group, a C 3 -C 10 cycloalkyl group, a substituted C 3 -C 10 cycloalkyl group, a C 4 -C 10 cycloalkylalkylic group, a substituted C 4 -C 10 cycloalkylalkylic group, a phenyl group, and a substituted phenyl group; R 11 is selected from the group consisting of a hydrogen atom, a linear or branched C 1 -C 8 alkyl group, a linear or branched C 1 -C 8 haloalkyl group, a substituted, linear or branched C 1 -C 8 alkyl group, a substituted, linear or branched C 1 -C 8 haloalkyl group, a C 3 -C 10 cycloalkyl group, a substituted C 3 -C 10 cycloalkyl group, a C 4 -C 10 cycloalkylalkylic group, a substituted C 4 -C 10 cycloalkylalkylic group, a phenyl group, and a substituted phenyl group; R 7 and R 11 may also represent, jointly, a linear or branched C 1 -C 8 alkylenic chain, a linear or branched C 1 -C 8 thia-alkylenic chain, a linear or branched C 1 -C 8 oxa-alkylenic chain, a linear or branched C 1 -C 8 haloalkylenic chain, a substituted, linear or branched C 1 -C 8 haloalkylenic chain, a substituted, linear or branched C 1 -C 8 alkylenic chain, a substituted, linear or branched C 1 -C 8 thiaalkylenic chain, a substituted, linear or branched C 1 -C 8 oxa-alkylenic chain, or a substituted, linear or branched C 1 -C 8 haloalkylenic chain; R c may represent a hydrogen atom, a linear or branched C 1 -C 8 alkyl group, a linear or branched C 1 -C 8 haloalkyl group, a substituted, linear or branched C 1 -C 8 alkyl group, a substituted, linear or branched C 1 -C 8 haloalkyl group, a C 3 -C 10 cycloalkyl group, a substituted C 3 -C 10 cycloalkyl group, a C 4 -C 10 cycloalkylalkylic group, a substituted C 4 -C 10 cycloalkylalkylic group, a phenyl group, a substituted phenyl group, or a group having general formula (III) described above; R c together with R 2 may represent a linear or branched C 1 -C 8 alkylenic group, a linear or branched C 1 -C 8 haloalkylenic group, a substituted, linear or branched C 1 -C 8 alkylenic group, a substituted, linear or branched C 1 -C 8 haloalkylenic group; R c , when R 2 is not a C 1 -C 2 alkylenic chain, may also represent a C 1 -C 2 alkylenic chain which is linked to a carbon atom forming the Ar group described above; R c , when R 2 does not represent a C 1 -C 2 alkylenic chain, may also represent a C 1 -C 2 alkylenic chain which is joined to a carbon atom forming the Ar group described above; R c together with R 2 , may represent a linear or branched C 1 -C 8 alkylenic chain, or a linear or branched C 1 -C 8 haloalkylenic chain. The use of Claim 1, wherein Ar is a phenyl group. The use of Claim 1, wherein Ar is a substituted phenyl group. The use of Claim 1, wherein Q is selected from the group consisting of cyano group, a thiazolic group and a substituted thiazolic group. The use of Claim 1, wherein Q is a group having the general formula (III). The use of Claim 1, wherein Q is -COOH. The use of Claim 1, wherein R 1 and R 2 are each a hydrogen atom. The use of Claim 1 wherein R 1 and R 2 are each other than a hydrogen atom as defined above. The use of Claim 1, wherein R 1 is a linear or branched C 1 -C 8 alkyl group. The use of Claim 1, wherein R 2 is a linear branched C 1 -C 8 alkyl group. The use of Claim 1, wherein R 1 is a linear or branched C 1 -C 8 alkyl group and R 2 is a linear or branched C 1 -C 8 alkyl group. The method of Claim 1, wherein R 3 is a hydrogen atom or a linear or branched C 1 -C 8 alkyl group. The use of Claim 1, wherein R c is a phenyl group or a substituted phenyl group. The use of Claim 13, wherein R c is a phenyl group. The use of Claim 13, wherein R c is a substituted phenyl group. The use of Claim 1, wherein Ar is a phenyl group or a substituted phenyl group; Q is a group having the general formula (III); R 1 is a hydrogen atom or a linear or branched C 1 -C 8 alkyl group; R 2 is a hydrogen atom or a linear or branched C 1 -C 8 alkyl group; R 3 is a hydrogen atom or a C 1 -C 8 alkyl group; and R c is a phenyl group or a substituted phenyl group. The use of Claim 16, wherein R 1 and R 2 are each a hydrogen atom. The use of Claim 16, wherein R 1 is a linear or branched C 1 -C 8 alkyl group and R 2 is a linear or branched C 1 -C 8 alkyl group.

Inventors: CAMAGGI GIOVANNI, FILIPPINI LUCIO, GARAVAGLIA CARLO, GUSMEROLI MARILENA, MORMILE SILVIA, SIGNORINI ERNESTO, CAMAGGI, GIOVANNI, FILIPPINI, LUCIO, GARAVAGLIA, CARLO, GUSMEROLI, MARILENA, MORMILE, SILVIA, SIGNORINI, ERNESTO
Applicants: ISAGRO RICERCA SRL, ISAGRO RICERCA S.R.L.
Application year: 1995
Main classification: A01N43
IPC codes: C07D307, C07D205, C07D207, A01N43, A01N37, A01N53, C07D333, C07D233, C07D239, C07D211, C07D277, A01N47