Efficient Phenanthrene, Helicene, and Azahelicene Syntheses
作者:David C. Harrowven、Ian L. Guy、Lana Nanson
DOI:10.1002/anie.200504287
日期:2006.3.27
The Synthesis of a Combretastatin A-4 Based Library and Discovery of New Cooperative <i>ortho</i>-Effects in Wittig Reactions Leading to (<i>Z</i>)-Stilbenes
A synthesis of combretastatin A-4 and a small library of analogues led to the discovery of some new cooperative ortho-effects allowing (Z)-stilbenes to be prepared in high yield and diastereomeric ratio.