Tetrahedron Letters p. 4359 - 4362 (1990)
Update date:2022-07-31
Topics:
Barker
Campbell
Jenkins
A brief and efficient new synthesis of 2-substituted 6-[1(R)-hydroxyethyl]-penems is described. The key step involves reaction of an azetidin-2-one-4-disulphide with either stabilized or unstablized phosphoranes, giving ylids which cyclize with the 1-oxalimide group to give 2-substituted penems.
View MoreZiBO KuoDing Trade company Ltd
website:http://www.sdzbkd.com
Contact:86-13361591822
Address:GongQingTuan road
Zouping Mingxing Chemical Co.,Ltd.
website:http://www.zoutong.com.cn
Contact:86-543-2240068 2240067
Address:428 Daixi Third Road Zouping County Shandong Province China
Hangzhou TJM Chemical Trade Co., Ltd
Contact:86-571-88223276 86-13388481653
Address:2221#,Boyuexuan,1860# Binsheng Road,Binjiang District, Hangzhou CityZhejiang Province, 310051, P. R. China
SHAANXI TOP PHARM CHEMICAL CO.LTD
Contact:+86-029-85733403
Address:No.108 ,west sector,south er huan,xi'an,china
website:http://www.herbpurify.com
Contact:0086-028-85249238
Address:Room709-C1,Incubator Building, Tianfu Life Science Park No.88,Keyuan Road,Gaoxin district,Chengdu City,Sichuan Prov,China
Doi:10.1021/np900305j
(2009)Doi:10.1021/ja903051q
(2009)Doi:10.1021/jo901111j
(2009)Doi:10.1016/j.bmcl.2009.05.067
(2009)Doi:10.1515/bchm2.1960.319.1.143
(1960)Doi:10.1021/jo00267a010
(1989)
