Issue 3, 2002
From the journal:

Green Chemistry

Knoevenagel condensation reactions in an ionic liquid†

Rajkumar V. Hangarge,a   Dilip V. Jarikoteb  and  Murlidhar S. Shingare*a  

* Corresponding authors

a Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad-431 004, India
E-mail: msshingare11@rediffmail.com

b OCT Division, National Chemical Laboratory, Pune-411 008, India

Abstract

The condensation reaction of 4-oxo-(4H)-1-benzopyran-3-carbaldehydes and of aromatic aldehydes with 3-methyl-1-phenylpyrazolin-5-(4H)-one were carried out in an ionic liquid, ethylammonium nitrate, at room temperature in shorter times with higher yields of 78–92 and 70–75%, respectively, than found using conventional procedures.

Graphical abstract: Knoevenagel condensation reactions in an ionic liquid

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Article information

DOI
https://doi.org/10.1039/B111634G
Article type
Paper
Submitted
20 Dec 2001
First published
20 May 2002

Green Chem., 2002,4, 266-268

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Knoevenagel condensation reactions in an ionic liquid

R. V. Hangarge, D. V. Jarikote and M. S. Shingare, Green Chem., 2002, 4, 266 DOI: 10.1039/B111634G

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