Organic chemistry
Indium chloride (InCl3) catalysed domino protocol for the regioselective synthesis of highly functionalized pyranopyrazoles under mild conditions

Hemant Chavan; Datta Survase; Sakharam Dongare; Vasant Helavi; Shreeram Ganapure

Volume 5, Issue 1, pp. 1-120, Serial No. 14 , January 2017, , Pages 105-114

Abstract
  Regioselective synthesis of highly functionalized pyranopyrazoles was achieved in excellent yield from phenyl pyrazolone, substituted aromatic aldehyde with nitroketene-N,S-acetal in the presence of indium trichloride as a versatile catalyst under reflux condition in ethanol-water mixture. All reactions ...  Read More

Indium chloride (InCl3) catalysed domino protocol for the regioselective synthesis of highly functionalized pyranopyrazoles under mild conditions