Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
ISSN-L : 0009-2363
Constituents of Ephemerantha fimbriata. Isolation and Structure Elucidation of Two New Phenanthrenes, Fimbriol-A and Fimbriol-B, and a New Dihydrophenanthrene, Ephemeranthol-C
Yasuhiro TEZUKAYasushi YOSHIDATohru KIKUCHIGuo-Jun XU
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1993 Volume 41 Issue 8 Pages 1346-1349

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Abstract

Constituents of Ephemerantha fimbriata (BL.) P. F. HUNT et SUMMERH, which is used as a source plant of the Chinese crude drug "Shi-Hu", were examined and two new phenanthrenes, fimbriol-A (2) and fimbriol-B (8), a new dihydrophenanthrene, ephemeranthol-C (6), and dihydroconiferyl dihydro-p-coumarate (5) were isolated together with denbinobin (1), (+)-pinoresinol (3), (+)-syringaresinol (4), 3, 4, 5-trimethoxybenzoic acid (7), lusianthridin (9), and dihydro-p-coumaric acid (10). Structures of the new compounds were elucidated by the use of spectroscopic methods including two-dimensional NMR techniques.

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© The Pharmaceutical Society of Japan
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