申请人:Loyola University of Chicago
公开号:US04567265A1
公开(公告)日:1986-01-28
Cyclopropanoid cyanoesters of the formula: ##STR1## where R' is --CH.sub.3 or --CH.sub.2 CH.sub.3, and A is (a) --H, or (b) A, B represents an aliphatic group joined to a carbon atom on the cyclopropanoid ring, thereby forming a spiro group, A, B being selected from structures having the formula: (i) --(CH.sub.2).sub.n --, wherein n=3, 4, or 5, and (ii) --(CH.sub.2).sub.2 --Y--(CH.sub.2).sub.2 --, wherein Y is NCH.sub.3, O, or S); and, when A is --H, B is selected from the group consisting of: ##STR2## are disclosed. These compositions are useful in the synthesis of pyrethroids. A process for synthesis of cyclopropanoid cyanoesters by reacting 2-nitropropane with cyanoesters of the general formula: ##STR3## is also disclosed and claimed.
环丙基氰酯的化学式为:##STR1##其中R'为--CH.sub.3或--CH.sub.2 CH.sub.3,A为(a) --H,或(b) A,B代表连接到环丙基环上碳原子的脂肪基,从而形成螺环,A,B被选择自具有以下化学式的结构:(i) --(CH.sub.2).sub.n --,其中n=3、4或5,以及(ii) --(CH.sub.2).sub.2 --Y--(CH.sub.2).sub.2 --,其中Y为NCH.sub.3、O或S);当A为--H时,B从以下组中选择:##STR2##。这些化合物在拟除虫剂的合成中很有用。还公开并声明了一种通过将2-硝基丙烷与具有以下一般式的环丙基氰酯反应来合成环丙基氰酯的方法:##STR3##。