Alpha-(2-alkoxyphenyl)-alpha-alkyl-1h-1,2,4-triazole-1...

Details Alpha-(2-alkoxyphenyl)-alpha-alkyl-1h-1,2,4-triazole-1... Alpha-(2-alkoxyphenyl)-alpha-alkyl-1h-1,2,4-triazole-1...

C - Chemistry, Metallurgy

07

D

260/313, 167/9.7

C07D 249/08 (2006.01) A01N 43/653 (2006.01) C07D 521/00 (2006.01)

Patent

CA 1277327

ALPHA-(2-ALKOXYPHENYL)-ALPHA-ALKYL-1H- 1.2 4-TRIAZOLE-1-PROPANENITRILES AND DERIVATIVES Abstract of the Disclosure This invention relates to alpha-(2-alkoxyphenyl)- alpha-alkyl-1H-1,2,4-triazole-1-propanenikriles of the formula (I): Image (I) wherein R is hydrogen, (C1-C6)alkyl or (C2-C5)alkenyl; R' is optionally halogen substituted (C1-C8)alkyl, optionally halogen substituted (C2-C6)alkenyl, (C3-C6)cycloalkyl or (C1-C3)alkyl(C3-C6)cycloalkyl; X is hydrogen or halogen; and the agronomically acceptable enantiomorphs, acid addition salts and metal complexes thereof. These compounds, enantiomorphs, salts and complexes are highly active broad-spectrum systemic fungicides effective in controlling phytopathogenic fungi such as barley helminthosporium, cucumber downy mildew, cucumber powdery mildew, grape downy mildew, peanut cercospora, rice blast, wheat powdery mildew and wheat stem rust. The compounds have protective and curative activity against rice blast when they are applied foliarly or systemically and have superior residual activity against rice blast via foliar application.

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