申请人:Sumitomo Chemical Company, Limited
公开号:US04309212A1
公开(公告)日:1982-01-05
Novel N'-phenyl-N-methylurea derivatives of the formula: ##STR1## wherein R.sub.1 is a hydrogen atom, a methyl group or a methoxy group, R.sub.2 is a hydrogen atom or a lower alkyl group, R.sub.3, which may be the same or different, is a halogen atom, a lower alkyl group, a lower alkoxy group, a lower alkylthio group or a trifluoromethyl group, n is an integer of 0 to 5, X is a hydrogen atom or a halogen atom, Y is an oxygen atom or a sulfur atom and Z is a straight or branched C.sub.1 -C.sub.8 alkylene group which may have no less than one atom of oxygen and/or sulfur at the terminal of and/or inside the carbon chain, which shows a pronounced herbicidal activity against a wide variety of weeds in the cultivation of crop plants as well as a notable fungicidal activity against a wide variety of phytopathogenic fungi causing plant diseases to crop plants without any material toxicity to mammals and fish or any chemical injury to said crop plants.
新型N'-苯基-N-甲基脲衍生物的化学式如下:##STR1##其中R.sub.1是氢原子、甲基基团或甲氧基基团,R.sub.2是氢原子或低碳基团,R.sub.3(可能相同也可能不同)是卤素原子、低碳基团、低碳氧基团、低碳硫基团或三氟甲基基团,n是0到5的整数,X是氢原子或卤素原子,Y是氧原子或硫原子,Z是直链或支链的C.sub.1-C.sub.8烷基基团,末端和/或碳链内可能有不少于一个氧原子和/或硫原子,对广泛的杂草具有显著的除草活性,同时对引起植物疾病的各种植物病原真菌表现出显著的杀菌活性,对哺乳动物和鱼类没有明显毒性,也不会对作物造成化学伤害。