Title: |
Bifunctional Amino Sulfonohydrazide Catalyzed Direct Asymmetric Mannich Reaction of Cyclic Ketimines with Ketones: Highly Diastereo- and Enantioselective Construction of Quaternary Carbon Stereocenters |
Source: |
Organic Letters
[1523-7060]
Sheng Zhang,
Lijun
yr:2015
|
|
|
|