Synthesis of Carbocycles via Intramolecular Conjugate Additions: Another Solution to the Terpenoid Side Chain Stereochemistry Problem
作者:Alyx-Caroline Guevel、David J. Hart
DOI:10.1021/jo951531m
日期:1996.1.1
Intramolecular conjugate additions of keto esters 7-11, mediated by pyrrolidine-acetic acid, provide perhydroindans or bicyclo[6.3.0]undecanes with high levels of diastereoselectivity at the acyclic stereogenic center. Levels of acyclic diastereoselection depend on starting unsaturated ester olefin geometry.