Tetrahedron Letters p. 1425 - 1428 (1981)
Update date:2022-08-02
Topics:
Gunatilaka, Leslei A. A.
Nanayakkara, Dhammika, N. P.
Sultanbawa, Uvais, M.
Kokzeylanol and kokzeylanonol obtained from Kokoona zeylanica have been shown to be 6β,27-dihydroxy-D:A-friedo-olean-3-one (1) and 6β,27-dihydroxy-D:A-friedo-oleana-3,21-dione (2), respectively by the deoxygenation of their 27-acetoxy derivatives using Lithium-ethylene diamine reduction coupled with spectroscopic and irradiation methods.Kokzeylanonol represents the first tetraoxygenated C:A-friedo-oleanoane isolated from a natural source.
View MoreZhuhai Rundu Pharmaceutical co.,Ltd
Contact:+86-756-7630755
Address:No.6,North Airport Road,Sanzao Town,Jinwan District
Lianyungang Ningkang Chemical Co., Ltd
Contact:.+86-518-88588008
Address:http://www.chemnk.com
SuZhou Ascepion Pharmaceuticals, Inc.(expird)
Contact:0512-86881668
Address:Building C,68Xingqing Road,Suzhou,China.
AUSHUN PHARMACEUTICAL TECHNOLOGY CO,.LTD
Contact:+86-25-86883560 15951806178
Address:14 Dayingbi, Zhujiang Rd. East, Nanjing, Jiangsu, China.
Shanghai Dianyang Industry Co.,ltd
Contact:+86 21 6492 4669
Address:Chejing RD, Songjiang District, Shanghai, China
Doi:10.1016/0031-9422(80)85026-6
(1980)Doi:10.1039/d0cc04835f
(2020)Doi:10.1055/a-1379-1584
(2021)Doi:10.1016/S0957-4166(03)00285-4
(2003)Doi:10.1002/chem.200902645
(2010)Doi:10.3390/molecules22101729
(2017)
