<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Romussi, Giovanni</style></author><author><style face="normal" font="default" size="100%">Bignardi, Gaetano</style></author><author><style face="normal" font="default" size="100%">Pizza, Cosimo</style></author><author><style face="normal" font="default" size="100%">De Tommasi, Nunziatina</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Constituents of cupuliferae, XIII: New and revised structures of acylated flavonoids from Quercus Suber L.</style></title><secondary-title><style face="normal" font="default" size="100%">Archiv der Pharmazie</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">acylated flavonoids</style></keyword><keyword><style  face="normal" font="default" size="100%">glycosides</style></keyword><keyword><style  face="normal" font="default" size="100%">Quercus suber</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1991</style></year></dates><publisher><style face="normal" font="default" size="100%">WILEY-VCH Verlag</style></publisher><volume><style face="normal" font="default" size="100%">324</style></volume><pages><style face="normal" font="default" size="100%">519-524</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">From leaves of Quercus suber L. in addition to ten known glycosides, two new acylated flavonoids have been isolated and identified as 3-O-kaempferol 2-O-(trans-p-coumaroyl)-β-D-glucopyranoside (1) and 3-O-kaempferol 2,3-di-O-acetyl-4-O-(cis-p-coumaroyl)-6-O-(trans-p-coumaroyl)-β-D-glucopyranoside (3). The structures of the previously described 3-O-kaempferol 2,4-di-O-(trans-p-coumaroyl)-β-D-glucopyranoside2) and 3-O-kaempferol 3,6-di-O-acetyl-2,4-di-O-(trans-p-coumaroyl)-β-D-glucopyranoside3) were revised to 3-O-kaempferol 2,6-di-O-(trans-p-coumaroyl)-β-D-glucopyranoside (4) and 3-O-kaempferol 3,4-di-O-acetyl-2,6-di-O-(trans-p-coumaroyl)-β-D-glu-copyranoside (5).</style></abstract><notes><style face="normal" font="default" size="100%">APS</style></notes><research-notes><style face="normal" font="default" size="100%">APS</style></research-notes></record></records></xml>