Woodfordin D and oenothein A, trimeric hydrolyzable tannins of macro-ring structure with antitumor activity

DOI: 10.1248/cpb.39.1157

Source and publish data:

Chemical and Pharmaceutical Bulletin p. 1157 - 1162 (1991)

Update date:2022-08-04

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Authors:

Yoshida Yoshida

Chou Chou

Matsuda Matsuda

Yasuhara

Yazaki Yazaki

Hatano Hatano

Nitta Nitta

Okuda Okuda

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Article abstract of DOI:10.1248/cpb.39.1157

Two new antitumor trimeric hydrolyzable tannins, woodfordin D (5) and oenothein A (13), were isolated from the dried flowers of Woodfordia fruticosa, and their macrocyclic structures, which have a novel constituent unit (woodfordinoyl group) connecting the monomers, have been elucidated on the basis of spectral and chemical evidence. Oenothein A (13) was also isolated from the leaves of Oenothera biennis.

Full text of DOI:10.1248/cpb.39.1157

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