H-phosphinates, H-phosphonates and secondary phosphine oxides in radical reactions and strategy analysis

P(O)-H compounds like H-phosphonates, H-phosphinates and secondary phosphine oxides are widely used in radical reactions. Their great successes are rooted in the facile homolytic cleavage of PH bond. Herein, recent advances of these compounds were summarized as five pathways according to their mechanisms: (1) radical addition and cyclization; (2) cyclization and ring-opening; (3) radical addition and coupling; (4) radical addition and...