Document Detail

Phenolic constituents of Knautia arvensis aerial parts.
MedLine Citation:
PMID:  22224276     Owner:  NLM     Status:  In-Process    
A new C-6 flavone glycoside (6), together with seven known compounds, cryptochlorogenic acid (1), chlorogenic acid (2), 2-O-trans-caffeoylhydrocitric acid (3), isovitexin 7-beta-D-glucopyranoside (4), 7,4'-dihydroxy-5-methoxyflavone-6-C-beta-D-glucopyranoside (5), 3,5-O-dicaffeoylquinic acid (7) and 4,5-O-dicaffeoylquinic acid (8), were isolated from the aerial parts of Knautia arvensis. Their structures were elucidated by extensive spectroscopic methods including 1D- (1H, 13C and TOCSY) and 2D-NMR (DQF-COSY, HSQC, HMBC) experiments, as well as ESIMS analysis. Compounds 1, 3-5 and 8 are reported for the first time in Knautia arvensis.
Jaroslaw Moldoch; Barbara Szajwaj; Milena Masullo; Lukasz Pecio; Wieslaw Oleszek; Sonia Piacente; Anna Stochmal
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Natural product communications     Volume:  6     ISSN:  1934-578X     ISO Abbreviation:  Nat Prod Commun     Publication Date:  2011 Nov 
Date Detail:
Created Date:  2012-01-09     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101477873     Medline TA:  Nat Prod Commun     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1627-30     Citation Subset:  IM    
Department of Biochemistry, Institute of Soil Science and Plant Cultivation, State Research Institute, ul. Czartoryskich 8, 24-100 Pulawy, Poland.
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