期刊
NATURAL PRODUCT RESEARCH
卷 17, 期 3, 页码 153-158出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/1478641031000104109
关键词
Carissa carandas; Apocynaceae; leaves; triterpenoids; carissin
Studies undertaken on the fresh leaves of Carissa carandas have led to the isolation of four pentacyclic triterpenoids (1-4) including one new constituent carissin (1) and two hitherto unreported compounds 2 and 3. The structure of the new triterpenoid has been elucidated as 3beta-hydroxy-27-E-feruloyloxyurs-12-en-28-oic acid. Complete assignment of the protons of 2 has also been made based on 2D NMR studies.
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