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Brosimacutins A-I, nine new flavonoids from Brosimum acutifolium
Junko Takashima1, Ayumi Ohsaki
1Research and Development Division, Mitsubishi Pharma Corporation, Kamoshida-cho, Aoba-ku, Yokohama 227-0033, Japan. Takashima.Junko@me.m-pharma.co.jp
Journal of Natural Products
|December 28, 2002
Abstract:
Nine new flavonoids, brosimacutins A-I (1-9), and four known flavonoids were isolated from the bark of Brosimum acutifolium, a Brazilian folk medicine ("Mururé"). Their structures were elucidated by spectroscopic methods, including 2D NMR. Brosimacutins A-I possess differentially functionalized isoprene units at C-8.