Rivulobirins C and D, Two Novel New Spirobicoumarins, from the Underground Part of Pleurospermum rivulorum.
- 1 January 1998
- journal article
- Published by Pharmaceutical Society of Japan in CHEMICAL & PHARMACEUTICAL BULLETIN
- Vol. 46 (6) , 1065-1067
- https://doi.org/10.1248/cpb.46.1065
Abstract
Two new spirobicoumarins, rivulobirins C and D (1 and 2), were isolated from the underground part of Pleurospermum rivulorum.They are characterized as two stereoisomers having a different configuration at the C-2 position resulting from the condensation of two heraclenol units, respectively, on the basis of spectral analysis.Keywords
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