Abstract
A pseudo-five-component reaction for one-pot synthesis of polysubstituted 2-piperidinones from two equivalent aromatic aldehydes, nitromethane, ammonium acetate, and dialkyl malonates is reported. Interestingly, the formation of products was highly stereoselective. Two different stereochemical classes of polysubstituted 2-piperidinones were provided depending on the substituent position of the aromatic aldehydes.
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