| abstract |
NEW MATERIAL: A compound of formula I [wherein R 1 is H, succinyliminoxy, a haloalkoxyl, a five-membered hetero-aromatic ring having 1-3 N atoms, -OR 6 (wherein R 6 an alkali metal cation, an alkyl or the like) or -ON=CR 7 R 8 (wherein R 7 and R 8 are each an alkyl or phenyl; provided they may be combined with each other to form an alkylene; R 2 and R 3 are each an alkyl, a haloalkyl, an alkoxyl or the like; X is O or S; Y and Z is N or methine; R 4 is a halogen, an alkyl, an alkoxyl or the like; R 5 is H or R 4 , provided that when R 1 is H or -OR 6 , R 2 is a haloalkyl, X is S, or Y is methine or R 4 is an alkenyl or a haloalkenyloxy)], a sulfur analog thereof or a salt thereof. n EXAMPLE: Methyl-5-allyloxy-2-(4,6-dimethoxypyrimidin-2-yl)oxy benzoate. n USE: Herbicides and plant growth controller. n PREPARATION: A compound of formula II is reacted with a compound of formula III (wherein R 9 is a halogen or the like) to obtain a compound of formula I. n COPYRIGHT: (C)1990,JPO |