1221899-16-6Relevant articles and documents
7-Deazapurines: Synthesis of new pyrrolo[2,3-d]pyrimidin-4-ones catalyzed by a Br?nsted-acidic ionic liquid as a green and reusable catalyst
Davoodnia,Bakavoli,Moloudi,Khashi,Tavakoli-Hoseini
, p. 1 - 4 (2010)
Some new 2-aryl-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-ones have been prepared through cyclocondensation of 2-amino-1H-pyrrole-3-carboxamides with aromatic aldehydes followed by air oxidation in the presence of 3-methyl-1-(4-sulfonic acid)butylimidazolium hydrogen sulfate [(CH2)4SO3HMIM][HSO4], a Br?nsted-acidic ionic liquid, as a green and reusable catalyst in solvent-free conditions.