Document Detail

Cyclic glycolipids from glandular trichome exudates of Cerastium glomeratum.
MedLine Citation:
PMID:  22854496     Owner:  NLM     Status:  Publisher    
Fourteen cyclic glycolipids, named glomerasides A-N, have been isolated from the glandular trichome exudate of Cerastium glomeratum (Caryophyllaceae). Their structures were determined by spectroscopic analysis of the glycolipids, as well as by application of the Ohrui-Akasaka method to the fatty acid methyl esters derived from the glycolipids and GCMS studies of trimethylsilyl ether derivatives of the methyl esters. The various glomerasides have a glycosidic linkage between the anomeric hydroxy group of the glucose and the C-11, C-10 or C-9 positions of the docosanoyl moiety. They also contained an ester linkage between the C-6 hydroxy group of the glucose ring and the carboxyl group of the oxygenated fatty acid to form their macrocyclic structures. The glucose moiety was optionally acetylated and/or malonylated at the C-2 or C-3 hydroxy groups. Among these compounds, the 1,6'-cyclic ester of 11(R)-(2-O-acetyl-β-d-glucopyranosyloxy)docosanoic acid (glomeraside D) was the most abundant (25%).
Teigo Asai; Yuki Nakamura; Yui Hirayama; Kiyoshi Ohyama; Yoshinori Fujimoto
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-7-30
Journal Detail:
Title:  Phytochemistry     Volume:  -     ISSN:  1873-3700     ISO Abbreviation:  Phytochemistry     Publication Date:  2012 Jul 
Date Detail:
Created Date:  2012-8-2     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0151434     Medline TA:  Phytochemistry     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Ltd. All rights reserved.
Department of Chemistry and Materials Science, Tokyo Institute of Technology, Meguro, Tokyo 152-8551, Japan.
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