Highly enantioselective Michael addition of α,α-disubstituted aldehydes to maleimides catalyzed by new primary amine-squaramide bifunctional organocatalysts

Highly enantioselective Michael addition of α,α-disubstituted aldehydes to maleimides catalyzed by new primary amine-squaramide bifunctional organocatalysts

Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Tetrahedron Letters - Volume 58, Issue 48, 29 November 2017, Pages 4487-4490

Zhi-wei Ma, Xiao-feng Liu, Jun-tao Liu, Zhi-jing Liu, Jing-chao Tao,