Tetrahedron Letters p. 2127 - 2130 (1981)
Update date:2022-08-03
Topics:
Cragg, John E.
Hedges, Stuart H.
Herbert, Richard B.
Titanium (IV) chloride and silicon (IV) chloride with high oxygen affinity are the best Lewis acid catalysts, of a number tested, for cyclisation of an enamine-ketone (1) leading to the alkaloid, julandine (2); cyclisation of (6) in methanol solution without catalyst yields O-methylipalbidine (7).
View MoreContact:0510-85393305
Address:1619 Huishan Avenue, Huishan District, Wuxi,
Zouping Fuhai Technology Development Co., Ltd.
Contact:+0532-86934525 18660293207
Address:jiuhu town industrial park Zouping County,bingzhou Provincejiuhu town industrial park
Shanxi Tongji Pharmaceuticals Co., Ltd.
Contact:+86-359-3024784
Address:Xikuang South Road, Ruicheng County , Shanxi
CHANGZHOU HANGYU PHARMACEUTICAL TECHNOLOGY CO., LTD
website:http://www.czyys.com
Contact:0086-519-88802789
Address:No.300,Yanling Middle Road, Changzhou, Jiangsu, China
Contact:+86-574-87065746
Address:10th Floor, No.787 Baizhang East Road,
Doi:10.1016/j.tetlet.2004.03.163
(2004)Doi:10.1016/j.steroids.2008.09.006
(2009)Doi:10.1016/j.bmcl.2013.03.081
(2013)Doi:10.1246/bcsj.60.3065
(1987)Doi:10.1002/zaac.200700327
(2008)Doi:10.1016/S0040-4039(00)96587-0
(1987)
