| abstract |
(57) [Summary] (Modified) [Objective] An intermediate useful for the production of N-phenylsulfonyl-N'-pyrimidylurea and triazinylurea, which are effective as weed-removing agents and have plant growth controllability. provide. [Constitution] The following formula [In the formula, A is a C 1-6 halogen alkyl group, R 1 is hydrogen, halogen, a nitro group, a cyano group, etc., R 2 is hydrogen, Halogen, C 1 to 4 alkyl groups, such as C 1 to 4 alkoxy groups, Y is NH 2, -N = C = Z , -NHC (O) O R, fluorine, chlorine or bromine, Z is oxygen or sulfur, and R is an alkyl group or a (substituted) phenyl group]. |