Enantioselective synthesis of the bicyclo[4.3.0]nonane ring system of the pinguisane-type sesquiterpenoids via a Brønsted acid promoted transannular enol alkylation
作者:Paul A. Clarke、Richard J.G. Black、Alexander J. Blake
DOI:10.1016/j.tetlet.2005.12.084
日期:2006.2
The bicyclo[4.3.0]nonane ring system of the pinguisane-type sesquiterpenoid natural products, including the vicinal quaternary stereocentres, has been synthesised as a single enantiomer via a novel Brønsted acid promoted transannular alkylation of an enol with an unactivated alkene.
品吉桑烷型倍半萜类天然产物的双环[4.3.0]壬烷环系统,包括邻近的季铵立体中心,已通过新型布朗斯台德酸促进烯醇与未活化烯烃的环戊烷烷基化而合成为单个对映异构体。