triterpenoid lactone

Publication Title: 
Journal of Asian Natural Products Research

Two new triterpenoids, termichebuloside A (1), an unusual dimeric triterpenoid saponin, and termichebulolide (2), an oleanolic acid-type lactone, along with 11 known triterpenoids, were isolated from MeOH extract of the barks of Terminalia chebula. The structures of 1 and 2 were elucidated to be arjunglucoside I-(3-O-19',23-O-19')-18,19-seco-19-hydroxyarjunglucoside I (1) and 2?,3?,23-trihydroxyolean-11,13(18)-dien-28,19?-olide (2), respectively, on the basis of spectroscopic evidences and biogenetic consideration.

Zhang, Chao
Jiang, Kun
Qu, Shi-Jin
Zhai, Yi-Ming
Tan, Jun-Jie
Tan, Chang-Heng
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