Enantioselective Synthesis of the Carbocyclic D-Ring Subunit of Massadine
作者:Alexander Breder、Gary M. Chinigo、Andrew W. Waltman、Erick M. Carreira
DOI:10.1002/anie.200803284
日期:2008.10.20
Ugi-4-Component Reaction Enabling Rapid Access to the Core Fragment of Massadine
作者:Gary M. Chinigo、Alexander Breder、Erick M. Carreira
DOI:10.1021/ol102577q
日期:2011.1.7
A rapid method to access the densely functionalized core structure of massadine (1) has been developed. The use of the Ugi-4-component reaction involving a convertible isonitrile and an end-group differentiating ozonolysis constitute the key operations toward the synthesis of the D-ring subunit.