The Michael additions of 2-nitropropane, gem-dinitroalkanes and nitroform to a number of a nuclear substituted β-nitrostyrenes are described. The influence of different substituents and different substituted positions on the reactivity of the β-nitrostyrenes has been studied. ... Reactions of α′ dienolates with michael acceptors: a synthesis of bicyclo [2,2,2] octan-2-ones. ... Reactions of α′ dienolates with michael acceptors: a synthesis of bicyclo [2,2,2] octan-2-ones.