Polyfunctional imidazoles: V. Synthesis of 1-aryl-4-chloro- 5-di(tri)fluoromethyl-1H-imidazoles
摘要:
1-Aryl-4-chloro-1H-imidazole-5-carbaldehydes and 1-aryl-4-chloro-1H-imidazole-5-carboxylic acids reacted with sulfur(IV) fluoride to give, respectively, 1-aryl-4-chloro-5-difluoromethyl- and 1-aryl-4-chloro-5-trifluoromethyl-1H-imidazoles.
Polyfunctional imidazoles: III. Synthesis of 1-aryl-2,4-dihalo-1H-imidazole-5-carboxylic acids and their derivatives
作者:V. A. Chornous、A. N. Grozav、M. V. Vovk
DOI:10.1134/s1070428011080124
日期:2011.8
1-Aryl-4-chloro(2,4-dichloro)-1H-imidazole-5-carbaldehydes reacted with N-bromosuccinimide affording bromides of 1-aryl-2-bromo(2,4-dichloro)-1H-imidazole-5-carboxylic acids which were converted into the corresponding acids, esters, and amides.