Bulletin of the Chemical Society of Japan p. 1385 - 1391 (1995)
Update date:2022-08-04
Topics:
Tanaka
Taniguchi
Kameyama
Monnin
Torii
Sasaoka
Shiroi
Nagao
Yamada
Tokumaru
A novel access to 3-hydroxycephems was attained from penicillin G via the C=C bond cleavage of 1-(1-alkoxycarbonyl-2-chloromethyl-2-propenyl)-4-(phenylsulfonylthio)- 2-azetidinones by successive treatment with RuCl3/HIO4 and HIO4/CuSO4 and reductive cyclization of I-(I-alkoxycarbonyl-3-chloro-2-hydroxy-1-propenyl)-4-(phenylsulfonylth io)-2-azetidinones on treatment with a newly devised BiCl3/Sn or TiCl4/Sn bimetal redox couple in DMF containing pyridine.
View MoreShanghai Hohance Chemical Co., ltd
Contact:13914753421
Address:Fl.5;Bld. 70, Lane 1500; Xinfei Road
Beijing Top Science biological technology co., LTD
Contact:+86-13439059536
Address:15-1705 jre three mile, Beijing 100000,CHINA
Anhui Xinyuan Technology Co.,Ltd
website:http://www.ahxytech.com/
Contact:0086-559-3515800
Address:Huangshan City of Anhui Province Huizhou Huizhou District Road, 21-9
QINGDAO TAOSIGN INTERNATIONAL TRADE CO.,LIMITED
Contact:+86-0532-82683616
Address:RM1402, Doublestar Seacoase 7#, No. 5 Guizhou Road, Qingdao, Shandong, China
taicang liyuan chemical co,.ltd
website:http://www.tcliyuanchem.com/productse.php
Contact:86-512-53539583
Address:Room 804,Huaxu Building,No.95,Renmin South Road,Taicang city,Jiangsu Province,China
Doi:10.5935/0103-5053.20130279
(2014)Doi:10.1016/S0022-1139(00)82012-6
(1987)Doi:10.1021/jo01185a003
(1944)Doi:10.1021/jacs.7b02983
(2017)Doi:10.1016/S0223-5234(96)80002-X
(1996)Doi:10.1071/CH9950593
(1995)