123506-52-5Relevant articles and documents
New strategy for the oxidation of Hantzsch 1,4-dihydropyridines and dihydropyrido[2,3-d]pyrimidines catalyzed by DMSO under aerobic conditions
Saini, Anil,Kumar, Sanjay,Sandhu, Jagir S.
, p. 2317 - 2324 (2008/02/09)
A novel metal-salt-oxidant-free, efficient, and economical method for the oxidation of Hantzsch 1,4-dihydropyridines that uses aerial oxygen and solvent-grade dimethylsulfoxide is described. Also, the synthesis of pyrido[2,3-d]pyrimidines is achieved from in situ oxidation of dihydropyrido[2,3-d]pyrimidines that arise from the reaction of 6-aminouracils and cyano olefins in dimethylsulfoxide. Copyright Taylor & Francis Group, LLC.