Logo image
Exploration of cascade cyclizations terminated by tandem aromatic substitution: total synthesis of (+)-schweinfurthin A
Journal article   Peer reviewed

Exploration of cascade cyclizations terminated by tandem aromatic substitution: total synthesis of (+)-schweinfurthin A

Joseph J Topczewski, John G Kodet and David F Wiemer
Journal of organic chemistry, Vol.76(3), pp.909-919
02/04/2011
DOI: 10.1021/jo1022102
PMCID: PMC3069933
PMID: 21226493

View Online

Abstract

The termination of epoxide-initiated cascade cyclizations with a range of "protected" phenols is described. When the protecting group can be lost as a stabilized electrophile, the cascade process continues beyond ring closure to afford products which have undergone a tandem electrophilic aromatic substitution. A number of groups have proven viable in this process and the regiochemistry of their substitution reactions has been studied. Application of this methodology in the first total synthesis of (+)-schweinfurthin A, a potent antiproliferative agent, has been achieved.
Cyclization Magnetic Resonance Spectroscopy Stereoisomerism Antineoplastic Agents - chemical synthesis Epoxy Compounds - chemistry Stilbenes - chemical synthesis Antineoplastic Agents - pharmacology Molecular Structure Stilbenes - chemistry Antineoplastic Agents - chemistry

Details

Logo image