A Facile One Pot Synthesis Of Pyrano[2,3-C]Pyrazole Derivatives Using P-Toluene Sulfonic Acid In Aqueous Media

Year 2011, Volume: 24 Issue: 2, 227 - 231, 05.04.2011

Majid Heravi Najme Javanmardi Hossein Oskooie Bita Baghernejad

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

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