Brønsted Acid Catalyzed Addition Reaction of 5-Aminopyrazoles with 4-Aryl-1,2,4-triazole-3,5-diones

Dipali Digangana Sahoo; Subhas Chandra Pan

doi:10.1055/a-2726-4350

Synlett, Inhaltsverzeichnis

Synlett
DOI: 10.1055/a-2726-4350

Letter

Brønsted Acid Catalyzed Addition Reaction of 5-Aminopyrazoles with 4-Aryl-1,2,4-triazole-3,5-diones

Authors

Dipali Digangana Sahoo

¹Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, India (Ringgold ID: RIN28678)
Subhas Chandra Pan

¹Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, India (Ringgold ID: RIN28678)

Abstract

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An organocatalytic addition reaction of 5aminopyrazole with 4-aryl-1,2,4-triazole-3,5-dione has been developed. With 20 mol% of diphenyl phosphate catalyst, moderate to high yields are obtained for a variety of aminopyrazole embedded 1,2,4-triazolidine-3,5-diones (urazoles) under mild reaction conditions.

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