Omnia SanaA new labdane diterpene from the flowers of Solidago canadensis
Abstract
A new labdane diterpene, 9alpha,16xi-dihydroxy-6-oxo-7,13-labdadien-15,16-olide (solicanolide, 1) and six known compounds identified as quercetin (2), 3-O-caffeoylquinic acid (3, neochlorogenic acid), 5-O-caffeoylquinic acid (4, chlorogenic acid), 4,5-di-O-caffeoylquinic acid (5), 3,5-di-O-caffeoylquinic acid (6) and 3,4-di-O-caffeoylquinic acid (7) were isolated from the flowers of Solidago canadensis. To our knowledge, compound 7 was isolated for the first time in S. canadensis. This work describes the isolation of compounds 1-7 and the structure elucidation of a new compound identified as compound 1. Solicanolide (1) showed cytotoxic activity against A549 (IC(50): 13+/-2 microM), DLD-1 (IC(50): 26+/-2 microM) and WS1 (IC(50): 17+/-1 microM) cell lines.
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How to cite
Bradette-Hébert, Marie-Eve and Legault, Jean and Lavoie, Serge and Pichette, André (2008) 'A new labdane diterpene from the flowers of Solidago canadensis', Chemical & pharmaceutical bulletin, 56(1), pp. 82-4. doi:10.1248/cpb.56.82
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