Phytochemical medicinal agents. A quinone-based route to pterocarpins.
The synthesis of 6,9 di-demethoxy kushecarpin A has been achieved by the coupling of a benzofuran anion with a quinone monoketal followed by a regioselective cyclization and a stereoselective hydrogenation reaction.
Kraus
George A
GA
Department of Chemistry, Iowa State University, Ames, IA 50011, USA.
Wei
Jingqiang
J