98478-28-5Relevant articles and documents
Phosphorus Pentoxide in Organic Synthesis, XVIII Phosphorus Pentoxide and Secondary Amine Mixtures in a New Synthesis of N6,N6-Dialkyl- and N6-Alkyl,N6-aryl-9H-purin-6-amines
El-Bayouki, Khairy A. M.,Nielsen, Flemming E.,Pedersen, Erik B.
, p. 1223 - 1227 (2007/10/02)
A series of N6,N6-disubstituted 9H-purin-6-amines 2a-i was prepared from 5-acetamido-6-amino-2-methylpyrimidin-4(3H)-one (1) and a secondary amine or its hydrochloride in the presence of phosphorus pentoxide and triethylamine hydrochloride.