Synthesis 2015; 47(22): 3513-3521
DOI: 10.1055/s-0034-1378812
paper
© Georg Thieme Verlag Stuttgart · New York

Stereocontrolled Total Syntheses of Optically Active Furofuran Lignans

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Publication History

Received: 25 May 2015

Accepted after revision: 14 June 2015

Publication Date:
12 August 2015 (online)


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Abstract

Plant products (+)-sesamin, (+)-sesaminol, (+)-methylpiperitol, (+)-aschantin, and (+)-5'-hydroxymethylpiperitol were synthesized in a highly stereocontrolled manner through l-proline-catalyzed bifunctional-urea-accelerated cross-aldol reaction, followed by biomimetic construction of the furofuran lignan skeleton through a quinomethide intermediate.

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