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Pregnane glycosides from Gymnema sylvestre
Author(s) -
Yen Duong Thi Hai,
Thu Vu Kim,
Tai Bui Huu,
Yen Pham Hai,
Nhiem Nguyen Xuan,
Kiem Phan Van
Publication year - 2019
Publication title -
vietnam journal of chemistry
Language(s) - English
Resource type - Journals
eISSN - 2572-8288
pISSN - 0866-7144
DOI - 10.1002/vjch.201900002
Subject(s) - gymnema sylvestre , pregnane , glycoside , traditional medicine , chemistry , botany , stereochemistry , biology , medicine
Three pregnane glycosides, gymnepregoside F ( 1 ), 12‐ O ‐( E )‐cinnamoylgymnepregoside F ( 2 ), and stephanoside I ( 3 ) were isolated from the leaves of Gymnema sylvestre (Retz.) R.Br. ex Schult. Their structures were identified on the basis of spectroscopic evidences and in comparison with those reported in the literature. All these compounds were reported from this genus Gymnema for the first time.
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