Asymmetric cyclopropanation of conjugated cyanosulfones using a novel cupreine organocatalyst: Rapid access to δ 3-amino acids.

DOI Number:

10.1039/C5CC05158D

Reaction Category:

Educt:

conjugated cyanosulfones, dimethyl 2-bromomalonate

Product:

3-substituted dimethyl (2S,3R)-2-cyano-2-(phenylsulfonyl)cyclopropane-1,1-dicarboxylate

Catalyst:

(8α,9R)-10,11-dihydro-9-(4-pentenoate)cinchonan-6′,9-diol

Cas No:

1802386-55-5

Cas No:

5962-19-6