The α-alkylation of ketones in flow

The α-deprotonation and alkylation of ketones is a fundamental transformation in organic chemistry. However, the apparent simplicity of this process belies its complexity. Oftentimes experimental conditions are non-ideal, and yields are low. Herein, we directly target these issues, and provide a continuous flow methodology which leads to excellent yields, reduces reaction time, avoids cryogenic temperatures, minimises exposure to alkyllithiums/alkylhalides, and can be scaled-out.