Phytochemistry p. 943 - 947 (1997)
Update date:2022-08-11
Topics:
Chung, Mei-Ing
Lai, Mei-Hsun
Yen, Ming-Hong
Wu, Ru-Rong
Lin, Chun-Nan
Five new constituents were isolated from the heartwood and roots of Hypericum geminiflorum. The structures were characterized as (2R,3R)- 3,5,7,2',5'-pentahydroxyflavan, 3,5-dimethoxy-4-hydroxy-1-O-β-D-glucoside, 3'-[γ-hydroxymethyl-(Z)-γ-methylally]-2',4',4-trihydroxychalcone 11'-O- ferulate, named gemichalcone A, 3'-[γ-hydroxymethyl-(Z)-γ-methylallyl]- 2',4',4-trihydroxychalcone 11'-O-coumarate, named gemichalcone B, and 3'- [γ-hydroxymethyl-(E)-γ-methylallyl]-2',4',4-trihydroxychalcone 11'-O- coumarate, named isogemichalcone B.
View MoreDezhou Longteng Chemical Co., Ltd.
website:http://www.sodium-methoxide.cn/
Contact:0086-18866052283
Address:Xinhua Industrial Zone, Dezhou City, Shandong Province, China
Valiant Fine Chemicals Co., Ltd.
Contact:+86 535 6101878/6374484
Address:11 Wuzhishan Rd.,YTETDZ,Yantai,264006,Shandong,China
Contact:+49-9398-993127
Address:Untertorstr. 27
SPRING CHEMICAL INDUSTRY CO.,LTD
Contact:86-187-66672125
Address:linchi industry park.zouping
website:http://www.debyesci.com
Contact:+85221376140
Address:Rm. 19C, Lockhart Ctr., 301-307 Lockhart Rd., Wan Chai
Doi:10.1016/j.bioorg.2019.103047
(2019)Doi:10.1021/ja00271a016
(1986)Doi:10.1021/acs.orglett.8b03295
(2018)Doi:10.1021/ja01075a043
(1964)Doi:10.1002/chem.201702037
(2017)Doi:10.1039/c7cc09786g
(2018)