Alpha Hydroxy Acid Preparation

A carbonyl compound reacts with hydrogen cyanide to form cyanohydrin which on hydrolysis forms a recemic mixrture of alpha -hydroxy acid. The carbonyl compound D .

Sulphuric Acid Preparation

Reaction OF Amino Acid || Preparation OF Amino Acid

A cyanohyrdrin of a compound (X) on hydrolysis gives an alpha -hydroxy acid which shows optical activity after resolution . The compound (X) is:

Heating of beta- hydroxy acid gives lactones.