申请人:Nihon Bayer Agrochem K.K.
公开号:US05210218A1
公开(公告)日:1993-05-11
Novel 2- or 3-chloropyrroles represented by the general formula: ##STR1## wherein R.sup.1 represents hydrogen atom, chlorine atom, alkyl group, or aryl group which may optionally be substituted, with the proviso that any one of the two groups represented by R.sup.1 is chlorine atom, R.sup.2 represents alkyl group or aryl group which may optionally be substituted, and R.sup.3 represents tertiary alkyl group which may be substituted by phenyl, or phenyl which may optionally be substituted, and processes for preparing the same.
通式为:##STR1## 的小说2或3-氯吡咯,其中R.sup.1代表氢原子、氯原子、烷基或芳基,其可以选择性地被取代,但是R.sup.1所代表的两个基团中的任意一个是氯原子,R.sup.2代表可以选择性地被取代的烷基或芳基,R.sup.3代表可以被苯基取代的三级烷基或可以选择性地被取代的苯基,以及制备这些化合物的方法。