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Three new glycosides from the leaves of Hydrangea macrophylla subsp. serrata (THUNB.) MAKINO
Masao Kikuchi1, Rie Kakuda, Masafumi Kikuchi
1Tohoku Pharmaceutical University, Sendai, Miyagi, Japan. mkikuchi@tohoku-pharm.ac.jp
Chemical & Pharmaceutical Bulletin
|April 2, 2008
Abstract:
Three new glycosides, 7-deoxyloganic acid beta-D-glucopyranosyl ester (1), (3R)-hydrangenol 8,4'-di-O-beta-D-glucopyranoside (2), and (6R,7E,9R)-megastigma-4,7-dien-3-one 9,13-di-O-beta-D-glucopyranoside (3), have been isolated from the leaves of Hydrangea macrophylla subsp. serrata (THUNB.) MAKINO (Saxifragaceae). The structures of 1-3 were elucidated on the basis of spectral data and chemical evidence.
