Zinc-Mediated Diastereoselective Synthesis of 3-Amino Oxindoles by Addition of Methyl and Terminal Alkynes to N-tert-Butanesulfinyl Ketimines

 

Wenjin Yan , Dong Wang , Jingchao Feng , Peng Li , and Rui Wang 

J. Org. Chem., 2012, 77 (7), pp 3311–3317

DOI: 10.1021/jo300110a