Unified Total Syntheses of (−)-Medicarpin, (−)-Sophoracarpan A, and (±)-Kushecarpin A with Some Structural Revisions
作者:Zhen-Gao Feng、Wen-Ju Bai、Thomas R. R. Pettus
DOI:10.1002/anie.201408910
日期:2015.2.2
The total syntheses of medicarpin, sophoracarpan A, and kushecarpin A from a common intermediate are achieved by using ortho‐ and para‐quinone methide chemistry. Additionally, the relative stereochemistry of sophoracarpan A and B have been reassigned.
o-Quinone methide based approach to isoflavans: application to the total syntheses of equol, 3′-hydroxyequol and vestitol
作者:Santosh J. Gharpure、A.M. Sathiyanarayanan、Prasad Jonnalagadda
DOI:10.1016/j.tetlet.2008.03.003
日期:2008.4
A concise strategy is developed for the synthesis of isoflavans employing a Diels-Alder reaction between o-quinone methides and aryl-substituted enol ethers followed by reductive cleavage of the acetal group. The method is extended towards the total syntheses of equol, 3'-hydroxyequol and vestitol. (C) 2008 Elsevier Ltd. All rights reserved.