申请人:Roussel Uclaf
公开号:US04045209A1
公开(公告)日:1977-08-30
Novel urea derivatives of the formula ##STR1## wherein R and R.sub.1 are individually selected from the group consisting of hydrogen, chlorine, bromine, nitro, trifluoromethyl, lower alkyl of 1 to 6 carbon atoms and lower alkoxy of 1 to 6 carbon atoms, n is 0 or 1, X is selected from the group consisting of lower alkyl of 1 to 6 carbon atoms optionally substituted with halogen and a nitrogen heterocyclic optionally containing 1 or more other heteroatoms, Y is selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms and S--Z wherein Z is a nitrogen heterocyclic optionally containing 1 or more other heteroatoms and the dotted lines indicate that the compound of formula I may contain no oxygen bound to the sulfur atom or may be in sulfoxide or sulfonyl form which are useful as herbicides and thereon preparation.
式##STR1##所示的新型尿素衍生物,其中R和R1各自独立地选自氢、氯、溴、硝基、三氟甲基、1至6个碳原子的低级烷基和1至6个碳原子的低级烷氧基,n为0或1,X选自1至6个碳原子的低级烷基(可选择性地被卤素取代)和可含有一个或多个其他杂原子的氮杂环,Y选自氢、1至4个碳原子的烷基和S-Z,其中Z为可含有一个或多个其他杂原子的氮杂环,虚线表示化合物式I中的硫原子可能不与氧原子键合,或者可能处于亚砜或砜形式,这些化合物可用作除草剂及其制备方法。