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Original Articles

Synthesis of three natural diosgenyl glycosides

, , , &
Pages 689-696 | Received 15 Apr 2005, Accepted 07 Jun 2005, Published online: 06 Dec 2006
 

Abstract

Three well-known natural diosgenyl glycosides which have the same sugar chains but different sequence, ophipogonin C′, polyphillin C and prosapogenin B, were synthesised by a facile approach. A method using the levulinyl group as a protecting group to selectively mask the C3–OH of diosgenyl 4,6-O-benzylidene-β-d-glucopyranoside is described.

Acknowledgements

Financial support of this research by the National Natural Science Foundation of China (NSFC 20372085) is gratefully acknowledged by the authors.

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