Highly enantioselective cyclopropanation of styrenes with diazoacetates catalyzed by optically active β-ketoiminato cobalt(II) complexes

Article abstract of DOI:10.1246/cl.1999.1345

The highly enantioselective cyclopropanation of styrenes with diazoacetates was achieved using reasonably designed β-ketoiminato cobalt(II) complex catalysts. In the presence of optically active cobalt(II) complexes derived from optically active 1,2-(2,4,