Synthesis of Quercetin 3-O-[6″-O-(trans-p-Coumaroyl)]-β-D-Glucopyranoside
Autor: | Liu-lan Shen, Xuhong Ren, Maosheng Cheng, Osamu Muraoka |
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Rok vydání: | 2011 |
Předmět: | |
Zdroj: | Journal of Carbohydrate Chemistry. 30:119-131 |
ISSN: | 1532-2327 0732-8303 |
DOI: | 10.1080/07328303.2011.616979 |
Popis: | This report describes the efficient synthesis of quercetin 3-O-[6″-O-(trans-p-coumaroyl)]-β-D-glucopyranoside 1 (isoquercitrin coumarate), an acylated quercetin glycoside possessing antihypertensive, antidiabetic, and tyrosinase inhibitory activities. The synthesis is initiated from commercially available quercetin via regioselective benzylation of quercetin to produce 4′, 7-di-O-benzylquercetin (4). Through 4, 1 was successfully achieved via selective β-glycosylation of the 3-OH, acylation of 6″-OH, and finally debenzylation via catalytic transfer hydrogenation. |
Databáze: | OpenAIRE |
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