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Novel Steroidal Glycosides from two Indian Caralluma species, C. stalagmifera and C. indica

✍ Scribed by Olaf Kunert; Belvotagi Venkatrao Adavi Rao; Gummadi Sridhar Babu; Medaboyina Padmavathi; Bobbala Ravi Kumar; Robert Michael Alex; Wolfgang Schühly; Nebojsa Simic; Doris Kühnelt; Achanta Venkata Narasimha Appa Rao

Publisher
John Wiley and Sons
Year
2006
Tongue
German
Weight
111 KB
Volume
89
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

New steroidal glycosides, stalagmosides I–V (1–5) and indicosides I and II (7 and 8), together with the known compounds carumbelloside III, lasianthoside A, and lasianthoside B, were isolated from whole plants of Caralluma stalagmifera and Caralluma indica, respectively. Their structures were elucidated by extensive NMR spectroscopic studies.

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✍ Yi Lu; Bai-Bo Xie; Chang-Xiang Chen; Wei Ni; Yan Hua; Hai-Yang Liu 📂 Article 📅 2011 🏛 John Wiley and Sons 🌐 German ⚖ 183 KB 👁 1 views

## Abstract Two new C~22~‐steroidal lactone glycosides, ypsilactosides A (**1**) and B (**2**), were isolated from the EtOH extract of the whole plant of __Ypsilandra thibetica.__ Their structures were established as (3__β__,5__α__,16__β__,20__S__)‐3,16‐dihydroxy‐6‐oxopregnane‐20‐carboxylic acid __