Tannins of Stachyurus Species. II. Praecoxins A, B, C and D, Four New Hydrolyzable Tannins from Stachyurus praecox Leaves

Tsutomu HATANO; Kazufumi YAZAKI; Akira OKONOGI; Takuo OKUDA

doi:10.1248/cpb.39.1689

Tsutomu HATANO, Kazufumi YAZAKI, Akira OKONOGI, Takuo OKUDA

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Keywords: tannin, hydrolzable tannin, Stachyurus praecox, Stachyuraceae, praecoxin A, praecoxin B, praecoxin C, praecoxin D, depsidone, valoneoyl group

JOURNAL FREE ACCESS

1991 Volume 39 Issue 7 Pages 1689-1693

DOI https://doi.org/10.1248/cpb.39.1689

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Abstract

Four new hydrolyzable tannins, praecoxins A (1), B (2), C (3) and D (4), were isolated from leaves of Stachyurus praecos SIEB. et ZUCC (Stachyuraceae), and their structures were elucidated.

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