申请人:Shionogi & Co., Ltd.
公开号:US04028376A1
公开(公告)日:1977-06-07
3-ALKYLISOXAZOLE DERIVATIVES REPRESENTED BY THE FORMULA: ##STR1## wherein R represents C.sub.3 -C.sub.6 alkyl or C.sub.3 -C.sub.6 cycloalkyl, R.sup.1 represents hydrogen or C.sub.1 -C.sub.6 alkyl, R.sup.2 represents ##STR2## [in which R.sup.3 and R.sup.4 each represent hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.7 alkenyl, C.sub.1 -C.sub.6 alkoxy, C.sub.2 -C.sub.7 alkoxycarbonyl or C.sub.1 -C.sub.6 alkylthio, or ##STR3## represents morpholino, pyrrolidino or piperidino, and Y represents oxygen or sulfur] or --CO--Y--R.sup.5 [in which R.sup.5 represents C.sub.1 -C.sub.6 alkyl and Y is as defined above] and X represents hydrogen, halogen or C.sub.1 -C.sub.6 alkyl, or R and X are combined to form C.sub.3 -C.sub.6 alkylene, being useful as herbicides, are prepared by several routes.
3-烷基异噁唑衍生物的化学式如下:##STR1## 其中R代表C.sub.3 -C.sub.6烷基或C.sub.3 -C.sub.6环烷基,R.sup.1代表氢或C.sub.1 -C.sub.6烷基,R.sup.2代表##STR2## [其中R.sup.3和R.sup.4分别代表氢、C.sub.1 -C.sub.6烷基、C.sub.2 -C.sub.7烯基、C.sub.1 -C.sub.6烷氧基、C.sub.2 -C.sub.7烷氧羰基或C.sub.1 -C.sub.6硫代烷基,或##STR3## 代表吗啡啉、吡咯啉或哌啶,Y代表氧或硫]或--CO--Y--R.sup.5 [其中R.sup.5代表C.sub.1 -C.sub.6烷基,Y如上定义],X代表氢、卤素或C.sub.1 -C.sub.6烷基,或R和X结合形成C.sub.3 -C.sub.6烷基烯,这些化合物作为除草剂具有用途,可通过几种途径制备。