1,4-Dicarbonyls cyclize in the presence of acid catalysis to form furans
Stage 1. Formation of the enol
Stage 2. Cyclization
Stage 2. Dehydration
1,4-Dicarbonyls cyclize in the presence of acid catalysis to form furans
Stage 1. Formation of the enol
Stage 2. Cyclization
Stage 2. Dehydration