Asymmetric N—H Insertion Reaction of α-Diazoesters and Carbamates Co-catalyzed by Dirhodium Acetate, Sufonic Acid and Chiral Sulfonamide Urea
Ni Yi, Guo Xin, Hu Wenhao, Liu Shunying
Chin. J. Org. Chem. . 2014, (1): 107 -111 .  DOI: 10.6023/cjoc201310053