Stereoselective syntheses of α,β-unsaturated γ-amino esters through phosphine-catalyzed γ-umpolung additions of sulfonamides to γ-substituted allenoates

Stereoselective syntheses of α,β-unsaturated γ-amino esters through phosphine-catalyzed γ-umpolung additions of sulfonamides to γ-substituted allenoates

Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Tetrahedron Letters - Volume 56, Issue 23, 3 June 2015, Pages 3273-3276

Qing-Fa Zhou, Kui Zhang, Ohyun Kwon,