Journal of Organic Chemistry p. 792 - 805 (2019)
Update date:2022-08-04
Topics:
Semwal, Rashmi
Ravi, Chitrakar
Kumar, Rahul
Meena, Ramavatar
Adimurthy, Subbarayappa
We report herein an effective method for the halogenation of imidazo-fused heterocycles using readily available sodium salts (NaCl/NaBr/NaI) as halogen source and K2S2O8 (or) oxone as promoter. A variety of C-3 halogenated imidazo[1,2-a]pyridines and benzo[d]imidazo[2,1-b]thiazoles were obtained in good to excellent yields. The present method of halogenation has been also extended to 2-aminopyridines, 2-aminopyrimidine, indole, and isoquinoline with moderate to excellent yields.
View MoreLiaoning Yufeng Chemical Co.,Ltd.
Contact:86-0419-3418888
Address:The metallurgical industrial zone,shoushan town, Liaoyang, Liaoning, China
Changsha Kamer Essence and Flavor Co.,Ltd
Contact:86-731-89832270
Address:No.327 Kangnin Road Changsha Bio Information Industry Park, Changsha city, Hunan province
Shenzhen JYMed Technology Co.,Ltd.
website:http://www.jymedtech.com
Contact:+86-755-26612112
Address:RM1-105, Shenzhen Bio-incubator Base, 10 Gaoxin C Avc 1st, Nanshan District, Shenzhen, GD, China, 518057
Zibo XiWeiLi Spice Limited Company
Contact:86-533-7220051
Address:Shandong province Zibo city Linzi Qilu Chemical Industrial Park South of ethylene, , China
PharmaResources(Kaiyuan)CO,.Ltd
Contact:+86-21-50720028
Address:No.3, Beihuan Road, Economic Development District, Kaiyuan City, Tieling City, Liaoning Province, China 112300
Doi:10.1021/ic701396j
(2007)Doi:10.1055/s-0030-1257871
(2010)Doi:10.1039/b708930a
(2007)Doi:10.1021/ja01099a044
(1953)Doi:10.1021/ja0772039
(2007)Doi:10.1002/chem.200802175
(2009)