In this video detailed mechanism of Darzens Glycidic Ester Condensation is provided with examples. The product is glycidic ester or alpha beta epoxy ester.
Books consulted:
1. Organic Chemistry by Jonathan Clayden, Nick Greeves, Stuart Warren
2. A guidebook to mechanism in organic chemistry by Peter Sykes
3. Advanced Organic Chemistry: Reactions, Mechanisms, and Structure
by Jerry March
Software used:
Smooth draw for writing, OBS studio for screen capturing, audacity for recording.