Synthesis of 3,4-dihydro-3,3-dimethyl-13-aryl-2H-indazolo [1,2-b]pthalazine-1,6,11(13H)-triones using tungstated zirconia (WO3/ZrO2) | Abstract

Der Pharma Chemica
Journal for Medicinal Chemistry, Pharmaceutical Chemistry, Pharmaceutical Sciences and Computational Chemistry

ISSN: 0975-413X
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Synthesis of 3,4-dihydro-3,3-dimethyl-13-aryl-2H-indazolo [1,2-b]pthalazine-1,6,11(13H)-triones using tungstated zirconia (WO3/ZrO2)

Author(s): Srinivasa Reddy Konda, Buchi Reddy Reguri, Mukkanti Kagga

A New, robust and fasile route for the three-component synthesis of 2H-indazolo [2,1-b]phthalazine-triones in the presence of a catalytic amount of Tungstated Zirconia (WO3/ZrO2) Lewis acid has been developed. Short reaction time, simple operation, and high yields are the advantages of this protocol


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