. Identify the compounds A, B, C and D is the following sequence of reactions:CH3 CH CH2 CH3BrAlc. KOH A Br2 B (ii) NaNH2C (i) Alc. KOHHg /H SO 2+2 4DH2O
The reaction will proceed as follows:
Step 1: Dehydrohalogenation of 1-bromo butane
Step 2: Bromination of 1-butene.
Step 3: Dehydrohalogenation to form terminal alkyne
Step 4: Conversion to ketone ny addition of water to alkyne followed by tautomerisation.
Step 1: Dehydrohalogenation of 1-bromo butane
Step 2: Bromination of 1-butene.
Step 3: Dehydrohalogenation to form terminal alkyne
Step 4: Conversion to ketone ny addition of water to alkyne followed by tautomerisation.