A chalcone glycoside from Clerodendron phlomidis.

Abstract

A new chalcone glycoside, together with pectolinarigenin, 7-hydroxyflavone and 7-hydroxyflavanone 7-O-glucoside have been isolated from the flowers and leaves of Clerodendron phlomidis. The structure of the chalcone glycoside has been established as 4,2',4'-trihydroxy-6'-methoxychalcone 4,4'-D-diglucoside by spectroscopic and degradative methods. 

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