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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 28, 1998 - Issue 24
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Original Articles

One Pot Synthesis of 4-(2-Hydroxybenzoyl)-pyrazoles from 3-Formylchromones Under Microwave Irradiation in Solvent Free Conditions

Gowravaram Sabitha Indian Institute of Chemical Technology, Hyderabad, 500007, India
,
R. SatheeshBabu Indian Institute of Chemical Technology, Hyderabad, 500007, India
&
J. S. Yadav Indian Institute of Chemical Technology, Hyderabad, 500007, India
Pages 4571-4576 | Received 08 Jun 1998, Published online: 22 Aug 2006
 
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Abstract

The synthesis of 4-(-2-hydroxybenzoyl)pyrazoles (3) was achieved in a single step by the reaction of 3-formylchromones (1) with Phenylhydrazine or Tosylhydrazine under microwave irradiation without a solvent.

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