Keywords: Ac, acetyl; An, anisyl; Ar, aryl; BINOL, 1,10-bi-2-naphthol; Bn, benzyl; Boc, tert-butoxycarbonyl; Bu, butyl; Bz, benzoyl; cat, catalyst; Cbz, benzyloxycarbonyl; COD, cyclooctadiene; conv, conversion; Cy, cyclohexyl; DABCO, 1,4-diazabicyclo[2.2.2]octane;