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[Structural determination of neocynaversicoside isolated from Cynanchum versicolor bunge].

Sheng‐Xiang Qiu, Z X Zhang, Junfei Zhou

Abstract

A new C-21 steroidal glycoside named neocynaversicoside (Ⅰ) along with a known compound glaucoside-H was isolated from one of the plant species used as Bai-Wei in traditional Chinese medicine, Cynanchum versicolor Bunge, and its structure was deduced as neocynapanogenin 3-O-β-D-thevetopyranoside on the basis of chemical and spectral evidence.

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Key concepts: Traditional medicine, Spectral analysis, Stereochemistry, Chemistry, Chemical constituents, Botany, Biology, Medicine