114431-60-6Relevant articles and documents
Condensed Purines, I. - Synthesis of 6,7-Dihydro-1,3-dimethylpyrimidopurine-2,4,8(1H,3H,9H)-triones
Kalcheva, Veneta,Stoyanova, Diana,Simova, Svetlana
, p. 1251 - 1254 (2007/10/02)
The title compounds 2a-d and 4a-d are the sole products of the reaction between 8-aminotheophylline (1) or 8-(benzylamino)theophylline (3) and methyl acrylate, crotonate, methacrylate, and cinnamate in the presence of basic catalysts (Triton B or KOH).The