Hemisynthesis of all the O-monomethylated analogues of quercetin including the major metabolites, through selective protection of phenolic functions
作者:Mohamed Bouktaib、Stéphane Lebrun、Aziz Atmani、Christian Rolando
DOI:10.1016/s0040-4020(02)01306-6
日期:2002.12
A new methodology for the hemisynthesis of all the five O-monomethylated analogues of quercetin (3'-O-methylquercetin (isorhamnetin), 4'-O-methylquercetin (tamarixetin), 3-O-methylquercetin, 5-O-methylquercetin (azaleatin) and 7-O-methylquercetin (rhamnetin)) through sequential protection of the different phenolic functions of quercetin is reported. (C) 2002 Published by Elsevier Science Ltd.