New flavone and isoflavone glycoside from Belamcanda chinensis

The new flavone, 5,4'-dihydroxy-6,7-methylenedioxy-3'-methoxyflavone,,and one new isoflavone glycoside, 3',5'-dimethoxy irisolone-4'-O-beta-D-glucoside were isolated from the rhizomes of Belamcanda chinensis. Their structures were established based on the spectroscopic methods. (c) 2007 Hai Sheng Chen. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.