PIPERIDINE DERIVATIVES OR THEIR ACID-ADDITIVE SALTS, FUNGICIDAL COMPOSITION AND A METHOD OF STRUGGLE AGAINST FUNGI Russian patent published in 1996 - IPC

FIELD: organic chemistry. SUBSTANCE: products: derivatives of piperidine of the formula (I) or their acid-additive salts where R - H, C₁-C₁₂-alkyl, C₂-C₆-alkenyl, C₂-C₆-alkynyl, C₁-C₆-alkoxy, C₃-C₈-cycloalkyl, phenyl, naphthyl, phenylcarbonyl, heterocyclyl or heterocyclylhydroxy-group where heterocycle has five- or six-member ring with one or two heteroatoms taken from N, O, S; R can has substituents: halogen, nitro, cyano, OH, C₁-C₄-alkyl, C₁-C₄-alkoxy, amino, C₁-C₄-alkoxycarbonyl, phenyl or halogenphenoxy-group; R₁ - phenyl, benzyl, C₃-C₈-cycloalkyl; R₁ can has a substituent - halogen, C₁-C₄-alkyl, C₁-C₄-alkoxy; R₂ - H, one of W and X represents -CH₂-,-CH₂-CH₂- or -O- and other from W and X represents -CH₂- or -CH₂-CH₂- or X represents a simple chemical bond; m = 0 or 1, and n - a whole number from 0 to 3. Invention relates to fungicidal composition and a method of struggle against fungi using compound and fungicidal composition indicated above. EFFECT: improved method of synthesis. 8 cl, 3 tbl