| abstract |
PURPOSE: To provide the novel β-picoline deriv. which exhibits a high bactericidal effect as a bactericide and is useful for the contamination treatment, etc., of plants by fungi, etc., or its N-oxide or plant permissible acid added salts. n CONSTITUTION: This compd. is expressed by formula I [A is Cr 1 , R 2 (R 1 , R 2 are each H, 1 to 6C alkyl, etc.); B is CH 2 CHOR 3 (R 3 is H, 1 to 6C alkyl, etc.); CHR 4 (R 4 is H, F, etc.), C=O, etc.; Ar is halogen, 1 to 6C alkyl, etc.]; for example, 2-ethyl-1-(4-fluorophenyl)-2-(pyridinyl-3-methyl)butan-1-ol. The compd. is obtd. by bringing the aldehyde of formula II into reaction with the org. metal compd. of formula III (M is lithium, MgCl, MgBr, MgI). n COPYRIGHT: (C)1992,JPO |