Tetrahedron Letters p. 3295 - 3298 (1980)
Update date:2022-08-04
Topics:
Sharma
Gupta
Bindra
Sunita
Monocyclic β-lactams (V & XI) carrying a carboxy function have been used to annelate the Schiff bases (II & X) using POCl3 in the presence of triethylamine to obtain the di-β-lactams (VI & XII). Alternately, (VI) could also be prepared by annelation of the Schiff base (IX) derived from the α-amino-β-lactam (VIII), with phenoxyacetyl chloride.
View MoreSHANGHAI ARCADIA BIOTECHNOLOGY LTD.
Contact:+86-21-61353236
Address:SUITE 901, BUILDING WENSLI, 1378 LU JIA BANG RD, SHANGAHI 200011, P.R.CHINA
Valiant Fine Chemicals Co., Ltd.
Contact:+86 535 6101878/6374484
Address:11 Wuzhishan Rd.,YTETDZ,Yantai,264006,Shandong,China
Shanghai Yudiao Chemistry Technology Co.,Ltd
Contact:0086-18964703211
Address:Building NO.5, NO.218,Rongtian Road,ganxiang town,Jinshan District,shanghai,201518,china
Changzhou Litong Chemical Co., Ltd.
website:http://www.litonchem.com/
Contact:+86-519-86301238
Address:Laoba Rd, Hutang town Changzhou Jiangsu
Zhushan County Tianxin Pharmaceutical & Chemical Co., Ltd.
Contact:0086-719-4224892
Address:Tutang Road, Chengguan Town, Zhushan County, Hubei Province
Doi:10.1002/chem.201603170
(2016)Doi:10.1016/j.tet.2007.07.038
(2007)Doi:10.1016/j.inoche.2010.04.006
(2010)Doi:10.1016/j.tetlet.2007.07.017
(2007)Doi:10.1016/S0008-6215(00)90783-3
(1984)Doi:10.1021/acs.orglett.1c00335
(2021)
