Patent TW-371301-B (TW)
Title: An agricultural and horticultural fungi-infection disease controller and a method for controlling the diseases to obtain a new controller by using a specific compound well-known as a herbicide, a plant growth regulator, etc., excellently controlling effects on disease damage injuring crops
Inventor: KURODA KIYOSHI
IPC: A01N47/06
Filed: 1996-03-26
Granted: 1999-10-01
Abstract: An agricultural and horticultural fungi-infection disease controller, containing 1,2,3-thiadiazole derivative or its salt as expressed in general formula (I) as active component, wherein R1 is hydrogen, (C1-C6) alkyl, halo (C1-C3) alkyl, C3 cycloalkyl, unsubstituted phenyl, substituted phenyl having one or more substituents which are identical or different, and a group selected from halogen, (C1-C6) alkoxy carbonyl methoxy, and a radical expressed by the formula below: [wherein R3 and R4 are hydrogen, n is 0 or 1 and R5 is hydrogen or (C1-C4) alkyl, and a radical expressed by the formula below: (wherein R3, R4 and m are as defined above, and R6 and R7, identical or different, are hydrogen; (C1-C6)alkyl, methoxy (C1-C6) alkyl; or unsubstituted phenyl (C1-C6) alkyl, and a radical expressed by the following formula: (wherein R3 and R4 are as defined above, R6' and R7', identical or different, are each C1 alkyl, unsubstituted phenyl or phenyl selected from more than one identical or different substituent of halogen), or a radical as expressed in the formula below: (wherein R3, R4 and n are as defined above, A is -O-, O=OC-, -S-, -SO2-, or -N(R10)- (wherein R10 is C1 alkyl), and R5 is hydrogen; (C1-C6) alkyl; unsubstituted phenyl; or substituted phenyl having one or more substituents, which are identical or different, and selected from halogen and C1 alkyl), and R2 is a group expressed by the following formula: -X-R12, (wherein X is oxygen or sulfur, and R12 is (1) hydrogen, (2) (C1-C12) alkyl, (3) halo(C1-C2) alkyl, (4) (C8-C17) alkenyl, (6) C1-C3 alkynyl, (11) (C3-C6) cycloalkyl, (12) C3 cycloalkyl C1 alkyl, (13) unsubstituted phenyl, (14) substituted phenyl having one or more substituents which are identical or different, and selected from halogen, C1 alkyl, and (C1-C2) alkoxycarbonyl (C1-C2) alkoxy, (15) unsubstituted phenyl (C1-C3) alkyl, (16) phenyl (C1-C6) alkyl having one or more substituents in the ring, which are identical or different and selected from halogen, nitro, (C1-C4) alkyl and C1 alkoxy, (17) diphenyl C1 alkyl, (18) phenoxy (C1-C2) alkyl, (2) a group expressed by the following formula: -C(R15)=C(R16)-R17, (wherein R16 is hydrogen, R15 and R17 together represent (C3-C6) alkylene, which can be substituted by one or more C1 alkyl and/or oxy), (23) tri (C1) alkylsilanyl (C1-C2) alkyl, or (24) 1,2,3-thiadiazolyl-5-yl-carbonyl-oxy (C1-C3) alkyl], (ii) a group expressed by the formula: -O-N=C (R19)R20, [wherein R19 and R20, identical or different, are (1) hydrogen, (5) (C1-C2) alkyl, (12) unsubstituted phenyl, R19 and R20 together express (18) (C3-C6) cycloalkyl ring, or (19) 5- or 6-member heterocycle having one or more heterosulfur atom between the adjacent carbon atoms in the carbon chain, which can be identical or different, (iii) a group expressed by the following formula: -N(R21)R22 (wherein R21 and R22, identical or different, are (1) hydrogen, (2) (C1-C6) alkyl, (4) substituted halo (C1-C2) alkyl having hydroxyl or (C1-C4) alkoxy as substituent, (5) (C2-C4) alkenyl, (6) (C2-C6) alkynyl, (7) C1 alkoxy (C1-C4) alkyl, (9) cyano (C1-C6) alkyl, (10) substituted cyano C1 alkyl, substitution group having methyl selected from (C1-C3) alkoxy, (C2-C3) alkynyloxy, (C1-C6) alkylthio, (C1-C4) alkoxycarbonyl C1 alkoxy, (C1-C4) alkoxycarbonyl C1 alkylthio, phenylthio, and substituent of pyrazinyl-1-yl, (11) unsubstituted aminoformyl C1 alkyl, (12) substituted aminoformyl C1 alkyl, having (C1-C2) alkoxy selected from alkyl chain, (13) hydroxyl (C1-C3) alkyl, (14) di (C1-C2) alkoxy (C1-C2) alkyl, wherein (C1-C2) alkoxy being identical or different, (15) unsubstituted (C1-C3) alkoxy carbonyl (C1-C2) alkyl, (16) substituted (C1-C3) alkoxycarbonyl (C1-C6) alkyl, group of substituents selected from (C1-C4) alkyl, (C1-C4) alkoxy, benzyl, and pyrazinyl-1-yl in the alkyl chain, (17) unsubstituted phenyl, (18) substituted phenyl having one more substituents, which are identical or different, and selected from (1) halogen, (2) nitro, (3) cyano, (4) (C1-C6) alkyl, (5) trifluoromethyl, 96) (C1-C6) alkoxy, (7) trifluoromethoxy, (12) (C1-C2) alkylcarbonyl, (13) carboxyl, (14) (C1-C4) alkoxycarbonyl, (15) dioxymethylene, (16) phenyl, and (17) a radical expressed by the following formula: (wherein R23 and R24, identical or different, are hydrogen; (C1-C6) alkyl; unsubstituted phenyl, substituted phenyl having one or more substituents, which are identical or different, and selected from halogen, (19) a radical expressed by the following formula; (wherein R25 is methyl, unsubstituted phenyl or 4-methyl-1,2,3-thiadiazolyl-5-yl), (21) a radical expressed by the following formula: -NH-SO2 R25', (wherein R25' is methylbenzyl, and 22) a radical expressed by the following formula: (wherein R25" is 4-methyl-1,2,3-thiadiazolyl-5-yl), (19) unsubstituted phenyl (C1-C3) alkyl, (20) substituted phenyl (C1-C3) alkyl having one or more substituents in the ring, which are identical or different, and selected from halogen, (21) naphthyl, or the following 5- or 6-member heterocycle: pyridyl, unsubstituted or methyl-substituted isoxazolyl, unsubstituted or methyl-substituted 1,3,4-thiadiazolyl, unsubstituted or methyl-substituted or methoxy-substituted pyrimidyl, R21 and R22 together represent (24) (C4-C6) alkylene having oxygen atom between adjacent carbon atoms in the carbon chain, or (25) diphenylmethylene), (iv) a group expressed by the following formula: -N(R6)NHR27, (wherein R6 is H or methyl, and R27 is (1) hydrogen, (2) (C1-C12) alkyl, unsubstituted benzyl acyl), (v) a group expressed by the following formula: -NHN(R6)R27, (wherein R6 and R27 are methyl), R6 and R27 together represent =C(R28)R29, (wherein R28 and R29, identical or different, are hydrogen; (C1-C3) alkyl; C3 cycloalkyl; unsubstituted phenyl; methyl-substituted phenyl; or furanyl, thienyl, or 5- or 6-member heterocycle of pyridyl, R28 and R29 together represent 5- or 6-member heterocycle having 2 hetero atoms between adjacent carbon atoms in the carbon chain), or R6 and R27 and linked nitrogen atom together represent morpholine, or (vi) a group expressed by the following formula: -N(R6) OR30, (wherein R6 is H, and R30 is H, C1 alkyl, unsubstituted benzyl).