| abstract |
NEW MATERIAL:A compound shown by having I [A is groups shown by formula II W formula V (R 1 WR 3 are H, halogen, halogenoalkyl or alkoxy; z is 0 or S; n is 4 or 6) or COR 4 (R 4 is alkyl); X 1 WX 3 are H, halogen, alkyl, halogenoalkyl, alkoxy, alkylthio, alkoxyalkyl, NO 2 or CH; R is H or alkyl]. n EXAMPLE: α-2'-Pyridyl-2-methyl-4-chlorophenoxyacetic acid ethyl ester.] n USE: A fungicide exerting an influence on growth of plant also usable as a herbicide, plant growth regulator, defoliant or germination inhibitor. n PREPARATION: A phenol shown by formula VI (M is H or alkali metal) or an alkali metal phenolate is reacted with an α-halogenoacetic acid compound shown by formula VII (B 1 is halogen, etc.) to give a compound shown by formula I. n COPYRIGHT: (C)1988,JPO&Japio |