Heterocycles p. 277 - 280 (1994)
Update date:2022-08-29
Topics:
Hirai, Koichi
Iwano, Yuji
Mikoshiba, Isamu
Koyama, Hiroo
Nishi, Takahide
A 1β-methylcarboxylate (1) which is a requisite intermediate for the synthesis of the 1β-methylcarbapenem was obtained in an efficient manner by the coupling reaction of a Z(O)-pyridylthiosilyl enol ether and a 4-acetoxyazetidinone derivative in the presence of ZnCl2 in CH2Cl2.The reactive silyl enol ether was prepared by the reverse addition method in high yield.
View More
Zhejiang Sanmei Chemical Industry Co., Ltd
Contact:86-579-87633213
Address:Huchu Industrial Zone, Qingnian Rd., Wuyi County, Zhejiang Prov., China.
Huangshan Violet Biological Technology Co., Ltd
Contact:+86-559-2335676
Address:16-201 JinShanYuan,JiangNan New City,TunXi District,HuangShan City,AnHui Province,China
Suzhou Sibian Chemical Technology Co., Ltd
website:http://www.sibianpharm.com
Contact:+8618169181984,+8618013186906
Address:Room1404,BuildingA,Jiabao Square No.323 Baodai East Road,Wuzhong District,Suzhou Jiangsu China (215128)
Shanghai Haoyuan Chemexpress Co., Ltd.
website:https://www.chemexpress.com/
Contact:86-21-58950125
Address:No.3 Building, No.1999, Zhangheng Road, ZhangjiangHighTech Park, Shanghai, P.R.China,201203
Chemieliva Pharmaceutical Co., Ltd.
website:http://www.chemieliva.com
Contact:+86-23-67770219
Address:99 Longhua Road, Yubei District, 401147, Chongqing, China Email: sales@chemieliva.com Tel:0086-23-67770219 Fax: 0086-23-67770220 Attn: Andy Huang
Doi:10.1002/jhet.5570390625
(2002)Doi:10.1515/hc-2015-0107
(2015)Doi:10.1016/j.chemosphere.2004.07.028
(2004)Doi:10.1016/S0040-4020(97)00102-6
(1997)Doi:10.1021/j100182a037
(1992)Doi:10.1002/chem.202002599
(2021)
