申请人:Suntory Limited
公开号:US05141551A1
公开(公告)日:1992-08-25
A benzoxazine derivative and a benzothiazine derivative having the formula (I): ##STR1## wherein A is N or a CH group; B is O, S, and SO group or an SO.sub.2 group; W is O, S, a CR.sup.4 R.sup.5 group or an NR.sup.4 group wherein R.sup.4 and R.sup.5 are each independently a hydrogen atom, a CN group or an NO.sub.2 group; X, Y and Z are each independently a hydrogen atom, a halogen atom or a lower haloalkyl group having 1 to 3 carbon atoms; R.sup.1 is a hydrogen atom, a lower alkyl group having 1 to 5 carbon atoms, a lower alkenyl group having 2 to 5 carbon atoms, a lower alkynyl group having 2 to 5 carbon atoms, a lower hydroxyalkyl group having 1 to 5 carbon atoms or a lower haloalkyl group having 1 to 3 carbon atoms; and R.sup.2 and R.sup.3 are each independently a hydrogen atom, a lower alkyl group having 1 to 5 carbon atoms or an aryl group having 6 to 10 carbon atoms and a herbicidal composition containing the compound of the formula (I) as an active ingredient.
一种具有以下式子(I)的苯并噁嗪衍生物和苯并噻嗪衍生物:##STR1## 其中A是N或CH基团;B是O、S、SO基团或SO.sub.2基团;W是O、S、CR.sup.4R.sup.5基团或NR.sup.4基团,其中R.sup.4和R.sup.5各自独立地为氢原子、CN基团或NO.sub.2基团;X、Y和Z各自独立地为氢原子、卤原子或具有1至3个碳原子的低卤代烷基团;R.sup.1是氢原子、具有1至5个碳原子的低烷基团、具有2至5个碳原子的低烯基团、具有2至5个碳原子的低炔基团、具有1至5个碳原子的低羟基烷基团或具有1至3个碳原子的低卤代烷基团;R.sup.2和R.sup.3各自独立地为氢原子、具有1至5个碳原子的低烷基团或具有6至10个碳原子的芳基团;以及一种含有式子(I)化合物作为活性成分的除草剂组合物。