Journal of Chemical and Pharmaceutical Research (ISSN : 0975-7384)

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Original Articles: 2009 Vol: 1 Issue: 1

Kinetics of a Reaction of 3-Chloroacetylacetone with Thioureas

Abstract

The kinetic study of 3-chloroacetylacetone and thioureas has been carried out in ethanol. Thioureas used for study are thiourea, phenyl thiourea, p-methyl phenyl thiourea, p-ethoxy phenyl thiourea and p-chlorophenyl thiourea. The second order rate constants for these reaction were reported. The rate of reaction is first order with respect to 3-chloroacetylacetone and first order with respect to thioureas. The effect of substituents on the rate of reaction was also studied. Thermodynamic parameters are used to explain the nature of the reaction. The reaction products are isolated and characterized. Possible reaction mechanism for the reaction will be proposed and details of the kinetics will be discussed.