Tetrahedron Letters p. 1087 - 1090 (1997)
Update date:2022-08-03
Topics:
Lin, Guo-Qiang
Zhong, Min
The first enantioselective synthesis of the optically pure (R)- and (S)-5,5''-dihydroxy-4',4''',7,7''-tetramethoxy-8,8''- biflavone is described. The key steps involve the intramolecular oxidative coupling of the cyanocuprate intermediate and Friedel-Crafts rearrangement. Their absolute configuration was reconfirmed by CD spectra.
View MoreAngelisun(Chongqing) Pharmaceutical Co., LTD.
Contact:+86-23-68030926-816
Address:D1-7 Tech & Entrepreneurs Park, Kecheng Road, Erlang Hi-Tech Areas, Chongqing, China
Geen Chemical Technology Co., Ltd
Contact:86-769-21660847
Address:1408, Yingfeng Commercial Center, Nancheng District
Shifang Taifeng New Flame Retardant Co., Ltd
Contact:02884721008
Address:tingjiang industrial park, hefeng town
Tianjin Bright Future Technology Co., Ltd
Contact:0086-22-58016666
Address:NO.136 DongTeng Lake Street Tianjin Economic and Technology Development Area,Tainjin,China
Shanghai Pengkai Chemical Co.,Ltd
Contact:+86-21-60526671
Address:No.4226 Duzhuang Rd Minhang District Shanghai China
Doi:10.1246/bcsj.20180353
(2019)Doi:10.1016/S0960-894X(96)00606-3
(1997)Doi:10.1021/ja01493a051
(1960)Doi:10.1016/j.bmcl.2019.05.015
(2019)Doi:10.1016/S0277-5387(96)00479-2
(1997)Doi:10.1016/j.tet.2006.09.096
(2006)
