期刊
TETRAHEDRON LETTERS
卷 56, 期 45, 页码 6174-6176出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2015.09.019
关键词
Starfish; Asterias rollestoni; Enolic saccharides; alpha-Glucosidase
资金
- National High Technology Research and Development Program of China, China (863 Program) [2012AA092104]
- National Key Basic Research Program of China, China (973 program) [2011CB915503]
- National Natural Science Foundation of China, China [41176148, 21372233, 21202080]
The first natural enolic glycoside, asterolloside (1), was isolated from the starfish Asterias rollestoni Bell together with two known tetrasaccharides. The structure of asterolloside was primarily elucidated by analysis of 1D and 2D NMR spectroscopic data. The absolute configuration was unambiguously determined by single-crystal Cu-K alpha X-ray diffraction analysis. Asterolloside showed moderate alpha-glucosidase inhibitory activity with an inhibitory rate of 37.9% at a concentration of 0.12 mg/mL. (C) 2015 Elsevier Ltd. All rights reserved.
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