Photoinduced Single‐Electron Reduction of Alkenes.

Abstract Alkenes serve as versatile building blocks in organic synthesis. However, the challenge of achieving single‐electron reduction of alkenes persists. In recent years, photocatalysis has emerged as a promising and efficient tool for accomplishing the single‐electron reduction of alkenes. Given the potential benefits that can be derived from photoinduced single‐electron reduction of alkenes, including the development of potent catalytic systems to enable diverse alkene difunctionalization reactions, it is necessary to provide a conceptual understanding of this emerging field. Hence, we present an overview of current synthetic techniques for photoinduced single‐electron reduction of alkenes.