83325-10-4Relevant articles and documents
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