| 摘要 |
PR-7420/8069 NOVEL 5-AMINOMETHYLENE-2,4-IMIDASOLIDINEDIONES AND 5-AMINOMETHYLENE-2-THIONOIMIDAZOLIDINE-4-ONES of the Invention Compounds of the formula wherein R is alkyl, phenyl, substituted phenyl, alkylsulfonyl, alkoxy, halo or haloalkyl; R1 is hydrogen, alkyl, phenyl, or halo substituted phenyl; R2 is hydrogen or alkyl; R3 is wherein R4 and R5 are independently hydrogen, alkyl, phenyl, halophenyl, phenalkyl, halophenalkyl, cycloalkyl, cycloalkylmethyl, naphthyl, pyridyl, pyridylalkyl, or R4 and R5 taken together with nitrogen form a hexamethyleneimine, piperidine, phenylpiperidine, benzylpiperidine, indoline, phenyl indoline or perhydroindole; and V is oxygen or sulfur; provided that when R1 is methyl and R3 is wherein R4 is methyl and R5 is phenyl, then R is other than 2-chlorophenyl or 2-methoxyphenyl; and when R1 is hydrogen or ethyl and R3 is wherein R4 is methyl and R5 is phenyl, then R is other than 3,4-dichloro-phenyl; and herbicidal compositions and methods utilizing said compounds. |
