Upon the action of strong bases at low temperature, benzyl chloride and its ring-substituted derivatives undergo deprotonation at the benzylic position and the produced carbanions react with aldehydes, ketones and Michael acceptors to form aryl oxiranes and cyclopropanes.
Key words
epoxides - cyclopropanes - halocarbanions - nucleophilic addition - nucleophilic substitution - Michael acceptors - Darzens reaction