Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
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Cholinesterase Inhibitory Constituents from Onosma hispida
Ijaz AhmadItrat AnisAbdul MalikSarfraz Ahmad NawazMuhammad Iqbal Choudhary
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2003 Volume 51 Issue 4 Pages 412-414

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Abstract

Hispidone, a new flavanone, has been isolated from Onosma hispida and assigned the structure (2S)-5,2′-dihydroxy-7,4′,5′-trimethoxyflavanone (1) by spectroscopic methods. In addition, (2S)-5,2′-dihydroxy-7,5′-dimethoxyflavanone (2), benzoic acid (3), and 4-hydroxy benzoic acid (4) are also reported for the first time from this species.

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© 2003 The Pharmaceutical Society of Japan
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