An Anomeric Control on Remote Stereochemistry in the Synthesis of Spiroketals
作者:Sunil K. Ghosh、Richard P. Hsung、Jia Liu
DOI:10.1021/ja051745d
日期:2005.6.1
Evidence for a remarkable anomeric control on the stereoselectivity of a remote center is described in this communication.
Efficient Nazarov Cyclizations of 2-Alkoxy-1,4-pentadien-3-ones
作者:Guangxin Liang、Stefan N. Gradl、Dirk Trauner
DOI:10.1021/ol036019z
日期:2003.12.1
[GRAPHICS]Expeditious and high-yielding Nazarov cyclizations of 2-alkoxy-1,4-pentadien-3-ones are described. An example of a catalytic asymmetric Nazarov cyclization is presented.