what is HVZ reaction ?
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In HVZ(Hell-Volhard-Zelinsky) reaction, phosphorus reacts with bromine to give phosphorus tribromide.
First step:The carboxylic acid is converted to an acyl bromide.
Second step: An alpha hydrogen is replaced with bromine atom.
First step:The carboxylic acid is converted to an acyl bromide.
Second step: An alpha hydrogen is replaced with bromine atom.
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HVZ stands for Hell Volhard Zelinsky Reaction.
The treatment with bromine and catalyst amount of phosphorus leads to the selective a- bromination of carboxylic acids.
The treatment with bromine and catalyst amount of phosphorus leads to the selective a- bromination of carboxylic acids.
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