摘要
采用PTC法高立体选择性合成了E 4.5 二苯基 2 吡咯烷酮 ,反式异构体与顺式异构体之比为 97∶3,产率高达 74% ,其结构用1HNMR和MS表征 .
E 4,5 Disubstituted 2 Pyrrolichinones was highly stereoselective synthesized under phase transfer catalysis, trans:cis was 97:3; the yield of the product was 74%; structures of product was confirmed by HNMR and MS.
出处
《洛阳师范学院学报》
2002年第5期44-46,共3页
Journal of Luoyang Normal University