Facile conversion of spirostan saponin into furostan saponin: synthesis of methyl protodioscin and its 26-thio-analogue.

Org Lett

State Key Laboratory of Bioorganic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, China.

Published: June 2006

[reaction: see text] A facile approach for the conversion of a spirostan saponin into its furostan counterpart, as illustrated by the transformation of dioscin to methyl protodioscin (and its 26-thio-analogue), has been developed.

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http://dx.doi.org/10.1021/ol060594wDOI Listing

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