Tetrahedron Letters p. 361 - 362 (1989)
Update date:2022-08-05
Topics:
Tsuda, Yoshisuke
Kiuchi, Fumiyuki
Liu, Hong-Min
The strucuture of gymnemagenin, the sapogenin of antisweet principle of Gymnema syrvestre, was firmly established as 3β,16β,21β,22α,23,28-hexahydroxy-olean-12-ene by the X-ray analysis of the 3β,23;21β,22α-di-O-isopropylidine derivative.On the basis of this result, the structure of deacylgymnemic acid was elucidated as the 3-O-β-glucuronide by comparison of the 13C-NMR spectra.
View MoreWEIFANG RICHEM INTERNATIONAL LTD
Contact:86-536-2222176
Address:weifang,shandong
Jinhua City Mingzhu Pharmaceutical Co.,Ltd.
Contact:15857995878 0579-82207761
Address:No.169 Shenze Road, New Area,Jinpan Development Zone, Jinhua
Beijing Zhongshuo Pharmaceutical T & D Co.,Ltd
Contact:0086-10-64430626
Address:ea No 16, HEPINGLI,DONGCHENG DISTRICT,BEIJING,P.R.CHINA.
FOSHAN NANHAI ZHONGNAN PHARMACEUTICAL FACTORY
Contact:0086-0757-85609331
Address:XIAHENGTIAN INDUSTRIAL ZONE,SHAYONG VILLAGE,LISHUI TOWN
Shanghai HengXun Pharmaceutical Tech. Co., Ltd.
Contact:86-86-52730756
Address:Room 603, No. 240, Tianmuzhong Road, Zhabei, Shanghai, China
Doi:10.1016/S0040-4039(00)00171-4
(2000)Doi:10.1016/j.tet.2021.132304
(2021)Doi:10.1021/jo00087a042
(1994)Doi:10.1016/0040-4039(91)80135-S
(1991)Doi:10.1039/jr9520001123
(1952)Doi:10.1016/S0008-6215(00)81269-0
(1969)
