Pyrazolyl acrylic acid derivatives, useful as systemic...

C - Chemistry – Metallurgy – 07 – D

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C07D 231/18 (2006.01) A01N 43/56 (2006.01) A01N 43/78 (2006.01) C07D 401/12 (2006.01) C07D 405/12 (2006.01) C07D 417/12 (2006.01)

Patent

CA 2031974

- 90 - Abstract of the Disclosure: A pyrazolyl acrylic acid derivative having plant fungicidal activity of formula (I): Image (I) wherein: R1 and R2 are independently hydrogen or C1 - C5 alkyl; A is a group of the formula: Image or Image wherein X is independently hydrogen; halogen; cyano; nitro; C1 - C10 alkyl, C2 - C11 alkenyl, C1- C10 alkoxy, C2 - C11 alkenyloxy, C2 - C11 alkynyloxy, C2 - C11 alkylcarbonyl or C2 - C11 alkylcaxbonyloxy optionally substituted with one or more substituents selected from halogen, nitro, cyano, trifluoromethyl and C1 - C5 alkoxy; or C7 - C13 arylcarbonyl, C4 - C9 cycl4alkylcarbonyloxy, C7 - 91 - - C13 arylcarbonyloxy, C6 - C12 aryl, C6 - C12 aryloxy, C2- C13 heteroaryl having 1 - 3 heteroatom(s) selected from oxygen, sulfur, and nitrogen, C2 - C13 heteroaryloxy having 1 - 3 hetexoatom(s) selected from oxygen, sulfur, and nitrogen, C7 - C12 aralkyl or C7 - C12 aralkyloxy optionally substitutes with one or more substituents selected fxom halogen, nitro, cyano, trifluoromethyl, C1 - C5 alkyl, and C1 - C5 alkoxy; m is 1 or 2; and n is a integer of 1 - 5; or two Xs may form a fused ring together with the benzene ring or thiazole ring to which they are attached; and B is methoxycarbonyl or cyano.

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