A total synthesis of cylindramide A has been completed in 19 steps. The key step of the synthesis is a tandem ring-opening-ring-closing-cross metathesis that converts a readily available norbornene into an advanced intermediate.
A synthesis of the bicyclo[3.3.0]octene core of geodin A
作者:Andrew J. Phillips、Amy C. Hart、James A. Henderson
DOI:10.1016/j.tetlet.2006.03.124
日期:2006.5
A synthesis of the bicyclo[3.3.0]octene core of the macrolactam tetramic acid geodin A is described. The key steps are a tandem metathesis and a Wharton rearrangement.