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Planta Med 1985; 51(3): 190-193
DOI: 10.1055/s-2007-969453
DOI: 10.1055/s-2007-969453
Research Articles
© Georg Thieme Verlag Stuttgart · New York
Components of Root Bark of Cudrania tricuspidata; 3.1,2. Isolation and Structure Studies on the Flavonoids
1 Part XXIV on Constituents of the Cultivated Mulberry Tree. Part XXIII: Ikuta, H., Fukai, T., Nomura, T., Uzawa, J., Heterocycles submitted. Part 2 on Components of Root Bark of Cudrania tricuspidata: Fujimoto, T., Hano, Y., Nomura, T., Uzawa, J. (1984) Planta Med. 50, 1612 A part of this work was reported in preliminary communication: Fujimoto, T., Nomura, T. (1984) Heterocycles 22, 997Further Information
Publication History
1984
1985
Publication Date:
26 February 2007 (online)
Abstract
A new isoprene substituted flavanone (1), named cudraflavanone A, was isolated from the root bark of Cudrania tricuspidata (Carr.) Bur. together with three known flavonoids, cycloartocarpesin (2), populnin (3), and quercimeritrin (4). The structure of 1 was determined on the basis of the spectral evidence and the total synthesis. The structure of euchrestaflavanone C (5) which had been isolated from Euchresta japonica Hook, f. ex Regel was also determined on the basis of the total synthesis.