Document Detail

Cucurbitacin glucosides from Citrullus colocynthis.
MedLine Citation:
PMID:  16644537     Owner:  NLM     Status:  MEDLINE    
A new cucurbitacin glucoside 2-O-beta-D-glucopyranosyl-16alpha-20R-dihydroxy-cucurbita-1,5,23E,25(26)-tetraen-3,11,22-trione (1) has been isolated from the methanolic extract of the fruits of Citrulluscolocynthis. The structure has been assigned on the basis of spectral analysis including 1D and 2D NMR techniques. In addition 2-O-beta-D-glucopyranosyl-cucurbitacin B (arvenin I) (2) and 2,25-di-O-beta-D-glucopyranosyl-cucurbitacin L (3) are reported for the first time from this species.
Durey Nayab; Dildar Ali; Nuzhat Arshad; Abdul Malik; M Iqbal Choudhary; Zaheer Ahmed
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Natural product research     Volume:  20     ISSN:  1478-6419     ISO Abbreviation:  Nat. Prod. Res.     Publication Date:  2006 May 
Date Detail:
Created Date:  2006-04-28     Completed Date:  2006-06-29     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  101167924     Medline TA:  Nat Prod Res     Country:  England    
Other Details:
Languages:  eng     Pagination:  409-13     Citation Subset:  IM    
International Center for Chemical Sciences, HEJ, Research Institute of Chemistry, University of Karachi, Karachi-75270, Pakistan.
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MeSH Terms
Glucosides / chemistry
Magnetic Resonance Spectroscopy
Plant Extracts / chemistry*
Triterpenes / chemistry
Reg. No./Substance:
0/Glucosides; 0/Plant Extracts; 0/Triterpenes; 60137-06-6/Cucurbitacins

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