Dehydrogenation of Pyrazoline and its Derivative using Dmso-I2-H2SO4 and Dmso-I2-System

A. W. Raut and A. G. Doshl

Department of Chemistry, Shrl Shivaji College, Morshi Road, Amravati - 444 602 (India)

ABSTRACT:

Pyrazoline was suspended in DMSO and a crystal of Iodine added to it. The mixture was refluxed for 1hr, cooled, diluted with water, the solid obtained was filtered, washed with 20% aqueous sodium thiosulphate and crystallised from ethanol to get pyrazoles. The same reaction was carried out in DMSO-I -H SO  system affords pyrazoles.

KEYWORDS:

Thiosulphate; crystallised Pyrazoline filtered

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Copy the following to cite this article: Raut A. W, Doshl A. G. Dehydrogenation of Pyrazoline and its Derivative using Dmso-I2-H2SO4 and Dmso-I2-System. Orient J Chem 1998;14(2).

Copy the following to cite this URL: Raut A. W, Doshl A. G. Dehydrogenation of Pyrazoline and its Derivative using Dmso-I2-H2SO4 and Dmso-I2-System. Orient J Chem 1998;14(2). Available from: http://www.orientjchem.org/?p=22231