An ionic liquid influenced l-proline catalysed asymmetric Michael addition of ketones to nitrostyrene

l-Proline catalysed Michael addition of different ketones to nitrostyrene is studied in ionic liquid. 1-Methoxyethyl-3-methylimidazolium methanesulfonate, ionic liquid, enhanced enantioselectivity of the reaction as compared to those carried out employing conventional organic solvents.