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ChemInform Abstract: A New Approach for the Synthesis of Pyrazoles via 1,3-Dipolar Cycloaddition of Nitrile Imines to Acetyl Acetone

Authors :
K. B. Umesha
K. M. Lokanatha Rai
K. Ajay Kumar
Source :
ChemInform. 33
Publication Year :
2010
Publisher :
Wiley, 2010.

Abstract

The acetyl acetone 3 reacts smoothly with the nitrile imines 2 generated in situ by the catalytic dehydrogenation of diphenyl hydrazones 1 using chloramine-T to afford regioselective cycloadducts 5,6 in 59-78% and 6-8% yields respectively.

Details

ISSN :
15222667 and 09317597
Volume :
33
Database :
OpenAIRE
Journal :
ChemInform
Accession number :
edsair.doi...........42cb28392a37cb401213a6f19aa3bec2
Full Text :
https://doi.org/10.1002/chin.200243143