INTRODUCTION The modified form of Michael reaction for conjugate addition of amines to electron deficient alkene is an important class of carbon-nitrogen bond forming reaction in organic synthesis and is usually known as aza-Michael addition [1]. It has been demonstrated to be a powerful tool in organic synthesis owing to its applicability in the synthesis of β-amino ketones, esters, nitriles or amides. β- Amino carbonyl compounds are widely used intermediates for the ...
