Aza-henry reaction of ketoimines catalyzed by Na2CO3. An efficient way to b-nitroamines.

[摘要]：A simple and efficient way to b-nitroamines via aza-Henry reaction of N-tosyl ketoimines and nitromethane was developed. In the presence of only 5 mol% Na2CO3, most of the N-tosyl ketoimines can react to give products in good to excellent yields (up to 99%) in THF at room temp.

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