A Biodegradation Product of Betulin.
- 1 January 1994
- journal article
- Published by Pharmaceutical Society of Japan in CHEMICAL & PHARMACEUTICAL BULLETIN
- Vol. 42 (2) , 379-381
- https://doi.org/10.1248/cpb.42.379
Abstract
A biodegradation product of betulin was isolated from decayed outer bark of Betula platyphylla SUKATCHEV var. japonica(MIQ.) HARA. The structure was elucidated as (17R, 20R)-7β, 20, 23, 29-tetrahydroxy-28-norlupane-3, 16-dione by chemical and spectral means.Keywords
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