Title of article :
Enantioselective Michael additions on α,β-unsaturated N-acylated oxazolidin-2-ones using mild scandium triflate catalysis
Author/Authors :
Sauerland، نويسنده , , Sami J.K. and Kiljunen، نويسنده , , Eero and Koskinen، نويسنده , , Ari M.P. Koskinen، نويسنده ,
Issue Information :
هفته نامه با شماره پیاپی سال 2006
Abstract :
The asymmetric conjugate addition of thiophenol to (E)-3-crotonoyloxazolidin-2-one catalysed by the scandium(III) triflate complex of Ph-PYBOX gave the corresponding adduct in 66% ee. Lanthanoid triflates gave lower enantioselectivities (⩽28% ee).
Keywords :
Scandium triflate , ? , ?-Unsaturated ester N-acylated oxazolidin-2-ones , Michael addition
Journal title :
Tetrahedron Letters
Journal title :
Tetrahedron Letters
