- Gazi University Journal of Science
- Vol: 24 Issue: 2
- A Facile One Pot Synthesis Of Pyrano[2,3-C]Pyrazole Derivatives Using P-Toluene Sulfonic Acid In Aqu...
A Facile One Pot Synthesis Of Pyrano[2,3-C]Pyrazole Derivatives Using P-Toluene Sulfonic Acid In Aqueous Media
Authors : Majid Heravi, Najme Javanmardi, Hossein Oskooie, Bita Baghernejad
Pages : 227-231
View : 9 | Download : 4
Publication Date : 2011-04-05
Article Type : Other
Abstract :A high yielding and fast method for the synthesis of 1,4-Dihydropyrano[2,3-c] pyrazole via one-pot, three component reaction of an aromatic aldehyde, malonitrile and 3-methyl-1-phenyl-2-pyrazolin-5-one using p-toluene sulfonic acid as a catalyst is described Keywords: p-toluene sulfonic acid , 1,4-dihydropyrano[2,3-c]pyrazole, one-pot.Keywords : p-toluene sulfonic acid, 1, 4-dihydropyrano[2, 3-c]pyrazole, one-pot