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New α-glucosidase Inhibitors from Marine Algae-derived Streptomyces Sp. OUCMDZ-3434

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Journal Sci Rep
Specialty Science
Date 2016 Jan 30
PMID 26822662
Citations 13
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Abstract

Wailupemycins H (1) and I (2) with a new skeleton coupled two 6-(2-phenylnaphthalene-1-yl)pyrane-2-one nuclei to a -CH2- linkage were identified from the culture of Streptomyces sp. OUCMDZ-3434 associated with the marine algae, Enteromorpha prolifera. Compounds 1 and 2 are two new α-glucosidase inhibitors with the Ki/IC50 values of 16.8/19.7 and 6.0/8.3 μM, respectively. In addition, the absolute configurations of wailupemycins D (3) and E (4) are also resolved in this paper for the first time.

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