Kinetics and mechanism of the acid-catalyzed bromination of ring-substituted acetophenones in methanol. Thermodynamics of the ketone-acetal-enol ether system in …
J Toullec, M El-Alaoui
Index: Toullec, Jean; El-Alaoui, Mohiedine Journal of Organic Chemistry, 1986 , vol. 51, # 21 p. 4054 - 4061
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Citation Number: 15
Abstract
The kinetics of HBr-catalyzed bromination of ring-substituted acetophenones in equilibrium with acetals have been studied in methanol containing small amounts of water at very low halogen concentration (ca. lo4 M). Under these conditions, the rate is zeroth order with respect to the halogen and first order with respect to the CH30H2+ ion and the overall carbonyl compound concentrations. The relative concentration of acetal at equilibrium ( ...
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