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New iridoid glycoside from Gratiola officinalis.
MedLine Citation:
PMID:  23134347     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
A new iridoid glycoside, 1β,6β-di-O-trans-cinnamoyl-9-O-β-d-glucopyranosyl-3-iridene-5β-ol (1), along with four known compounds loliolide (2), β-sitosterol-3-O-β-d-glucopyranoside (3), betulinic acid (4), and β-amyrin (5), was isolated from the aerial parts of Gratiola officinalis L. The structure of the new compound was deduced on the basis of 1D (1)H and (13)C NMR and 2D HMQC, HMBC, and COSY experiments, and mass spectrometric techniques (EI-MS and HR-EI-MS). The relative configuration of 1 was assigned by comparative analysis of the NMR spectral data with known analogs, together with NOESY experiments.
Authors:
Liaqat Ali; Tania Shamim Rizvi; Manzoor Ahmad; Farzana Shaheen
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-8
Journal Detail:
Title:  Journal of Asian natural products research     Volume:  -     ISSN:  1477-2213     ISO Abbreviation:  J Asian Nat Prod Res     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-11-8     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100888334     Medline TA:  J Asian Nat Prod Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
a HEJ Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi , Karachi , 75270 , Pakistan.
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