期刊
CHEMICAL & PHARMACEUTICAL BULLETIN
卷 49, 期 4, 页码 486-487出版社
PHARMACEUTICAL SOC JAPAN
DOI: 10.1248/cpb.49.486
关键词
Cercidiphyllum japonicum; Cercidiphyllaceae; cercidinin A; tannin; ellagitannin
The structue of cercidinin A, an ellagitannin isolated from the bark of Cercidiphyllum japonicum, was revised to 1,2,6-tri-O-galloyl-3,4-(R)-hexahydroxydiphenol-beta -D-glucose by two-dimensional NMR spectral analysis. Cercidinin A represents the first ellagitannin possessing a hexahydroxydiphenoyl group at the 3,4-positions of a modified C-4(1)-glucopyranose core.
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