Patent IE-811151-L (IE)
Title: Antiparasitic cyclopropane carboxylic acids and¹intermediates
IPC: C07D307/42
Filed: 1981-05-22
Abstract: 1. Claims (for the contracting States : BE, CH, DE, FR, GB, IT, LI, LU, NL, SE) In all the possible isomer forms, the compounds with the formula (I') :  see diagramm : EP0041021,P51,F1  in which the double bond has Z geometry, the cyclopropane copula is of 1R cis structure and A' represents : either an alkyl radical containing 1-18 carbon atoms, or a benzyl radical possibly substituted by one or more radicals chosen from the group constituted by alkyl radicals containing 1-4 carbon atoms, alkenyl radicals containing 2-6 carbon atoms, alkenyloxy radicals containing 2-6 carbon atoms, alkadienyl radicals containing 4-8 carbon atoms, the methylenedioxy residue, and the halogen atoms, or a  see diagramm : EP0041021,P51,F2  group, in which the substituent R1 represents a hydrogen atom or a methyl radical and the substituent R2 represents a monocyclic aryl or a -CH2 -C -= CH group and notably a 5-benzyl-3-furylmethyl group, or a  see diagramm : EP0041021,P51,F3  group in which R3 represents an aliphatic organic radical containing 2-6 carbon atoms and one or more carbon-carbon unsaturations and notably the radicals -CH2 -CH=CH2 , -CH2 -CH=CH-CH3 , -CH2 -CH=CH-C2 H5 , -CH2 -CH=CH-CH=CH2 , or a  see diagramm : EP0041021,P51,F4  group, in which R3 retains the same significance as previously, each of R'1 and R'2 , identical or different, represents a hydrogen atom, a halogen atom, an alkyl radical containing 1-6 carbon atoms, an aryl radical containing 6-10 carbon atoms, an alkyloxycarbonyl group containing 2-5 carbon atoms, or a cyano group, or a  see diagramm : EP0041021,P51,F5  group, in which B represents a CH2 group, or a C=O group, or a hetero element chosen from oxygen and sulphur, R4 represents a hydrogen atom, a methyl radical, a -CONH2 radical, a -CSNH2 radical or a -C -= CH radical R5 represents a halogen atom or a methyl radical and n represents a numeral 0, 1 or 2, and notably the 3-phenoxybenzyl, alpha-ethynyl-3-phenoxybenzyl, 3-benzoylbenzyl, 1-(3-phenoxyphenyl) ethyl or alpha-thioamido-3-phenoxybenzyl groups, or a  see diagramm : EP0041021,P52,F1  group, or a  see diagramm : EP0041021,P52,F2 group, in which each of the substituents R6 , R7 , R8 , R9 represents a hydrogen atom, a chlorine atom, or a methyl radical and in which S/I signifies an aromatic ring or a similar dihydro or tetrahydro ring, or a  see diagramm : EP0041021,P52,F3  group, or a  see diagramm : EP0041021,P52,F4  group, in which R10 represents a hydrogen atom or a CN radical, R12 represents a -CH2 - radical or an oxygen atom, R11 represents a thiazolyl or thiadiazolyl radical of which the bond with  see diagramm : EP0041021,P52,F5  may be found at any one of the available positions, R12 being linked to R11 by the carbon atom situated between the sulphur atom and a nitrogen atom, or a  see diagramm : EP0041021,P52,F6  group, or a  see diagramm : EP0041021,P53,F1  group in which R13 represents a hydrogen atom or a CN radical, or a  see diagramm : EP0041021,P53,F2  group, in which R13 is defined as above and the benzoyl radical is in position 3 or 4, or a  see diagramm : EP0041021,P53,F3  group, in which R14 represents a hydrogen atom, a methyl, ethynyl or cyano radical and R15 and R16 , which are different from one another, represents a hydrogen, fluorine or bromine atom, or a  see diagramm : EP0041021,P53,F4  group in which R14 is defined as above, each of the R17 's represents, independently, an alkyl group containing 1-4 carbon atoms, an alkoxy group containing 1-4 carbon atoms, an alkylthio group containing 1-4 carbon atoms, an alkylsulphonyl group containing 1-4 carbon atoms, or a trifluoromethyl, 3,4-methylenedioxy, chloro, fluoro, or bromo group, p represents a numeral 0, 1 or 2 and B' represents an oxygen atom or a sulphur atom, and R represents an alkyl radical, linear, branched or cyclic, saturated or unsaturated, containing 1-18 carbon atoms, as well as the mixtures of these isomers. 1. Claims (for the contracting State AT) Preparation process for all the possible isomer forms, of compounds with the formula (I') :  see diagramm : EP0041021,P57,F2 in which the double bond has Z geometry, A' represents : either an alkyl radical containing 1-18 carbon atoms, or a benzyl radical possibly substituted by one or more radicals chosen from the group constituted by the alkyl radicals containing 1-4 carbon atoms, the alkenyl radicals containing 2-6 carbon atoms, the alkenyloxy radicals containing 2-6 carbon atoms, the alkadienyl radicals containing 4-8 carbon atoms, the methylene dioxy residue, and the halogen atoms, or a  see diagramm : EP0041021,P58,F1  group, in which the substituent R1 represents a hydrogen atom or a methyl radical and the substituent R2 represents a monocyclic aryl or a -CH2 -C -= CH group and notably a 5-benzyl-3-furylmethyl group, or a  see diagramm : EP0041021,P58,F2 group, in which R3 represents an aliphatic organic radical containing 2-6 carbon atoms and or more carbon-carbon unsaturations and notably the -CH2 -CH=CH2 , -CH2 CH=CH-CH3 , -CH2 CH=CH-C2 H5 , -CH2 -CH=CH-CH=CH2 radicals, or a  see diagramm : EP0041021,P58,F3  group, in which R3 retains the same significance as previously, R'1 and R'2 identical or different, each represent a hydrogen atom, a halogen atom, an alkyl radical containing 1-6 carbons atoms, an aryl radical containing 6-10 carbon atoms, an alkyloxycarbonyl group containing 2-5 carbon atoms, or a cyano group, or a  see diagramm : EP0041021,P58,F4  group, in which B represents a CH2 or C=O group, or a hetero element chosen from oxygen and sulphur, R4 represents a hydrogen atom, a methyl radical, a -CONH2 radical, a -CSNH2 radical or a -C -= CH radical, R5 represents a halogen atom or a methyl radical and n represents a numerical 0, 1 or 2, and notably the 3-phenoxybenzyl, alpha-ethynyl-3-phenoxybenzyl, 3-benzoylbenzyl, 1-(3-phenoxyphenyl)ethyl or alpha-thiomado-3-phenoxybenzyl group, or a  see diagramm : EP0041021,P58,F5  group or a  see diagramm : EP0041021,P59,F1  group, in which each of the substituents R6 , R7 , R8 , R9 , represents a hydrogen atom, a chlorine atom or a methyl radical and in which S/I signifies an aromatic ring or a similar dihydro or tetrahydro ring, or a  see diagramm : EP0041021,P59,F2 group, or a  see diagramm : EP0041021,P59,F3  group in which R10 represents a hydrogen atom or a CN radical, R12 represents a -CH2 - radical or an oxygen atom, R11 represents a thiazolyl or thiadiazolyl radical of which the bond with  see diagramm : EP0041021,P59,F4  may be found in any of the available positions, R12 being linked to R11 by the carbon atom situated between the sulphur atom and a nitrogen atom, or a  see diagramm : EP0041021,P59,F5  group, or a  see diagramm : EP0041021,P59,F6  group, in which R13 represents a hydrogen atom or a CN radical, or a  see diagramm : EP0041021,P60,F1 group, in which R13 is defined as above and the benzoyl radical is in position 3 or 4, or a  see diagramm : EP0041021,P60,F2  group, in which R14 represents a hydrogen atom, a methyl, ethynyl or cyano radical, and each of R15 and R16 , which are different, represents a hydrogen, fluorine or bromine atom, or a  see diagramm : EP0041021,P60,F3  group, in which R14 is defined as above, each of the R17 's represents, independently, an alkyl group containing 1-4 carbon atoms, an alkoxy group containing 1-4 carbon atoms, an alkylthio group containing 1-4 carbon atoms, an alkylsulphonyl group containing 1-4 carbon atoms, or a trifluoromethyl, 3,4-methylenedioxy, chloro, fluoro or bromo group, p represents a numeral 0, 1 or 2 and B' represents an oxygen atom or a sulphur atom, and R represents an alkyl radical, linear branched or cyclic, saturated or unsaturated, containing 1-18 carbon atoms, as well as the mixtures of these isomers, characterized in that an acid with the formula (II) :  see diagramm : EP0041021,P60,F4  in which the double bond has Z geometry, R being defined as previously, or a functional derivative of this acid, is submitted to the action of an alcohol with the formula (III) : A'OH in which A' retains the same significance as previously, and in this way the corresponding compound with the formula (I') is obtained.