Phytochemistry p. 2362 - 2363 (1988)
Update date:2022-08-11
Topics:
Barron, Denis
Ibrahim, Ragai K.
Key Word Index-Flaveria chloraefolia; Compositae; ombuin 3-sulphate; flavonol sulphate.Abstract-One novel flavonoid sulphate ester and two known non-sulphated flavonoids were isolated from the leaves of Flaveria chloraefolia.The novel sulphated conjugate is 7,4'-dimethylquercetin (ombuin) 3-sulphate, and the known compounds are 6-methoxyquercetin and its 3-glucoside.The structure of ombuin 3-sulphate was established by UV spectroscopy, acid hydrolysis followed by EIMS of the aglycone, as well as enzymatic synthesis.
View More
Contact:86-511-85210668 0511-85210668, 85210818, 85210898
Address:Yihai Garden E-902,NO.99 Daxi RD., Zhenjiang Jiiangsu ,China
Hubei Sibo Technology Co.,Ltd.
Contact:0715-6597222
Address:Pan Jia Wan fan Lake Chemical Industrial Park ,Xianning City, Hubei, China
Jiangxi Global Natural Spice Co., Ltd.
website:https://www.jxhqxl.com/
Contact:+86-796-8106598
Address:No.89, Wenshan Road,South Industrial Park, Jishui County,Jiangxi Province
Contact:+86+21-58956006 15800617331
Address:402 Room, 150# Cailun Road, Zhangjiang high tech park, Shanghai
Daqing New Century Fine Chemical Co., Ltd.(expird)
Contact:010-57126694
Address:No.39, jinxing cun, honggang district
Doi:10.1016/j.jfluchem.2009.07.009
(2009)Doi:10.1039/c7dt02119d
(2017)Doi:10.1039/b513848e
(2006)Doi:10.1016/S0040-4039(00)92862-4
(1980)Doi:10.1016/S0022-328X(00)84954-2
(1973)Doi:10.1021/jo00806a020
(1971)
