Ethynylphenylamidine compound or salt thereof, method for producing same, and fungicide for agricultural and horticultural use

摘要

An object of the present invention is to provide a novel fungicide having an excellent fungicidal activity. The compound used as the fungicide of the present invention is an ethynylphenylamidine compound or a salt thereof, the compound being represented by Formula (1):;
wherein R1 and R2 are each hydrogen or C1-12 alkyl, or R1 and R2 may be bonded together to form C1-7 alkylene;
R3 is hydrogen or C1-4 alkylthio;R4, R5, R6, and R7 are each hydrogen, halogen, etc.; andR8 is hydrogen, C1-20 alkyl, C3-8 cycloalkyl, C1-4 haloalkyl, phenyl, a heterocyclic group, or —(CH2)n-Si(R9)(R10)(R11) wherein R9, R10, and R11 are each C1-6 alkyl, and n is an integer of 0 or 1.

主权项

1. An ethynylaniline compound represented by Formula (4):wherein R4 and R6 are each halogen or C1-4 alkyl;
R5 and R7 are each hydrogen; and R8 is hydrogen; C1-20 alkyl optionally substituted on the alkyl group with one or more substituents independently selected from the group consisting of C1-4 alkoxy, hydroxy, cyano, phenyl, phenoxy, and optionally substituted heterocyclic groups; C3-8 cycloalkyl; C1-4 haloalkyl; phenyl optionally substituted on the phenyl ring with one to five substituents independently selected from the group consisting of halogen, C1-6 alkyl, C1-4 haloalkyl, C1-4 alkoxy, and phenoxy; a heterocyclic group optionally substituted on the heterocyclic ring with one or more substituents independently selected from the group consisting of halogen, C1-4 alkyl, C1-4 haloalkyl, and optionally substituted heterocyclic groups; or —(CH2)n-Si(R9)(R10)(R11) wherein R9, R10, and R11 are each C1-6 alkyl, and n is an integer of 0 or 1.