Question

A conversion of 2,5-dimethylfuran into 2,5-dimethylpyrrole may be accomplished in two steps:

I.Hydrolysis of the furan in aqueous acid.

II. Heating the hydrolysis product with excess ammonium

carbonate

What is the intermediate hydrolysis product used in the second step ?

• A. 2,5-hexanedione
• B. 3,4-hexanedione
• C. Hexanedial
• D. 2,5-dimethyl cyclopentanone

Answer 1

Answer: (A)

2,5-hexanedione

Answer 2