Question

write the chemical equations
for HVZ reaction and trans esterification ​

Answer 1

Answer:

Hell Volhard Zelinsky (HVZ) reaction:

This reaction involves alpha bromination of carboxylic acids. Carboxylic acids react with chlorine or bromine in presence of small amount of red phosphorous to give alpha halo carboxylic acids.

CH  

3

​  

−CH  

2

​  

−COOH  

Br  

2

​  

/P

​  

CH  

3

​  

−CHBr−COOH  

Br  

2

​  

/P

​  

CH  

3

​  

−CBr  

2

​  

−COOH  

Br  

2

​  

/P

​  

 No further reaction.

Explanation: