SbCl3 initiated conjunctive C–H bond functionalization and carbochlorination between glycine esters and methylenecyclopropanes (MCPs)

In the presence of dioxygen, an antimony trichloride enabled conjunctive sp3 C–H bond functionalization and carbochlorination of glycines was realized, providing a series of chlorinated quinolines in high yields. The mechanistic study shows that the antimony(V) species might be involved in the oxidation of the sp3 C–H bond and is followed by carbochlorination through a radical intermediate.