Microwave-Assisted Synthesis and Characterization of Certain Oximes, Hydrazones, and Olefins Derived from β-Keto Sulfones

Scheme 2

Synthesis of olefins 7a–d. (iii) Ar–CHO 6a, b/EtOH/piperidine (catalytic amount)/MWI, 100 W, 90°C, 3 min, 77–85% yield.