83325-36-4Relevant academic research and scientific papers
Reduction of 1-Aryl-4-Nitroimidazoles to 4-Amino-1-Arylimidazoles
Suwinski, J.,Walczak, K.
, p. 675 - 682 (2007/10/02)
1-aryl-4-nitroimidazoles on reduction with hydrogen in methanol at 25 degC, in the presence of Raney nickel, yield the unstable 4-amino-1-aryl-imidazoles which can be acylated e.g. with pentafluorophenyl formate, formic acid in the presence of dicyclohexy
PHOSPHORUS PENTOXIDE IN ORGANIC SYNTHESIS-I. PHOSPHORUS PENTOXIDE-AMINE HYDROCHLORIDE MIXTURES AS REAGENTS IN A NEW SYNTHESIS OF HYPOXANTHINES
Nielsen, F. E.,Pedersen, E. B.
, p. 1435 - 1442 (2007/10/02)
A series of 23 new 1,7-dihydro-6H-purin-6-ones, 3a-3w have been prepared by heating ethyl 4-acylamino-1H-imidazole-5-carboxylates, 2a-2f and 2h, with primary amine hydrochlorides and phosphorus pentoxide in N,N-dimethylcyclohexylamine.Imidazoo
