ONE-POT SYNTHESIS OF 4-(2-HYDROXYBENZOYL)-PYRAZOLES FROM 3-FORMYLCHROMONES UNDER MICROWAVE IRRADIATION IN SOLVENT-FREE CONDITIONS

Authors
SABITHA G BABU RS YADAV JS
Citation
G. Sabitha et al., ONE-POT SYNTHESIS OF 4-(2-HYDROXYBENZOYL)-PYRAZOLES FROM 3-FORMYLCHROMONES UNDER MICROWAVE IRRADIATION IN SOLVENT-FREE CONDITIONS, Synthetic communications, 28(24), 1998, pp. 4571-4576
Citations number
12
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Synthetic communications → ACNP
ISSN journal
00397911
Volume
28
Issue
24
Year of publication
1998
Pages
4571 - 4576
Database
ISI
SICI code
0039-7911(1998)28:24<4571:OSO4F3>2.0.ZU;2-#
Abstract
The synthesis of 4-(-2-hydroxybenzoyl)pyrazoles (3) was achieved in a single step by the reaction of 3-formylchromones (1) with Phenylhydraz ine or Tosylhydrazine under microwave irradiation without a solvent.