Tetrahedron Letters p. 4841 - 4844 (1984)
Update date:2022-08-04
Topics:
Garcia, Jordi
Urpi, Felix
Villarasa, Jaume
Equimolar amounts of carboxylic acids, aryl or alkyl azides, and Ph3P in refluxing benzene (hexane, toluene) afford amides in good yields.Insolubility of zwitterions Ph3P(+)-NH(CH2)nCOO(-), arising from ω-azido acids and Ph3P, limits the utilization of the method for lactame formation.
View MoreNanjing Yuance Industry&Trade Co., Ltd.
website:http://www.njyuance.cn/
Contact:+86-25-85439097
Address:B1702, Aoti Bldg, No. 130, Aoti Avenue, Nanjing, China
Shandong Yaroma Perfumery Co., Ltd.
Contact:+86- 531- 88024598
Address:7-702 Caizhi Central, 59 Gong Ye South Road, Jinan City,250101, P. R. China
Shanghai Rich Chemicals Co., Ltd
website:http://www.richchemical.com
Contact:+86-21-20255798
Address:Pudong Shanghai,China
Shao Xing Empire Import&Export CO.,ltd
Contact:86-575-82127757
Address:11#, Weiwu Road, Shangyu Industrial Park, Hangzhou Bay, Hangzhou, Zhejiang Province, China
Guangzhou PI & PI Biotech Inc. Ltd.
Contact:+86-20-81716320
Address:13th Floor, Xinbao Technology Industrial Park, No. 2 Ruixiang Road, Huangpu District, Guangzhou,Guangdong,China
Doi:10.1002/jhet.5570440310
(2007)Doi:10.1016/S0968-0896(98)00132-1
(1998)Doi:10.1016/j.tet.2015.10.033
(2015)Doi:10.1007/BF01247239
(1993)Doi:10.1016/j.tet.2007.03.034
(2007)Doi:10.1021/jm00381a004
(1985)
