Iron-Catalyzed Cyclopropanation in 6 M KOH with in Situ Generation of Diazomethane

1. Bill Morandi, 
2. Erick M. Carreira

1. Science 23 March 2012: 
   Vol. 335 no. 6075 pp. 1471-1474 
   DOI: 10.1126/science.121878