(untitled) - Ba, D; Wen, S; Tian, Q; Chen, Y; Lv, W; Cheng, G (Nat. Commun., 2020)
Cheng reported rhodium-catalyzed formal insertion of O–C(sp3)–C(sp2) into C–C σ-bonds of 1,3-dicarbonyl compounds using diazo esters and DMF: