Chapter 23.SE, Problem 42MP

Interpretation Introduction

Interpretation:

The two steps, a conjugate addition reaction and the following intramolecular claisen condensation, involved in the reaction along with their mechanisms are to be given.

Concept introduction:

The steps involved in the reaction are i) The conjugate addition of the methyl carbanion ii) An intramolecular Claisen reaction iii) Loss of methoxide ion.

To give:

The two steps, a conjugate addition reaction and the following intramolecular Claisen condensation, involved in the reaction along with their mechanisms.