“Remote” dianions 5. Synthesis of δ-coniceine
作者:Diana L.C. Green、Charles M. Thompsonr
DOI:10.1016/s0040-4039(00)93425-7
日期:1991.9
A total synthesis of (+/-) δ-coniceine from 1,4-butanediol is herein reported. A pivotal transformation of the synthesis involves the addition of the dianion of 4-(phenylsulfonyl)butanoic acid to an activated imine followed by subsequent cyclization to form a substituted piperidone intermediate.
本文报道了由1,4-
丁二醇完全合成(+/-)δ-
可卡因。合成的关键转化涉及将4-(苯磺酰基)
丁酸的二价阴离子加入到活化的
亚胺中,随后环化以形成取代的
哌啶酮中间体。