Beilstein J. Org. Chem.2015,11, 2007–2011, doi:10.3762/bjoc.11.217
substrates were suitable despite being insoluble in water.
Keywords: carbon–boron bond formation; catalytic asymmetric synthesis; chiralcopper(II) catalysis; β-hydroxy nitriles; Introduction
In recent years, optically active organoboranes have attracted considerable attraction as versatile synthons for