Q32E
Question
Treatment of a cyclic ketone with diazomethane is a method for accomplishing a ring-expansion reaction. For example, treatment of cyclohexanone with diazomethane yields cycloheptanone. Propose a mechanism.
Step-by-Step Solution
Verified Answer
1Step 1: Ring-expansion reaction
Ring expansion is the reaction to expanding existing rings and forming compounds.
Diazo methane helps in expanding the ring by one unit.
2Step 2: Mechanism
The mechanism for the given reaction involves the following steps:
The carbanion of the diazo methane reacts with the carbonyl carbon and forms the respective product.
Mechanism of the reaction
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