1 Dipartimento di Ingegneria Civile ed Ambientale (D.I.C.A.) del Politecnico di Bari-Sezione Chimica, Centro C.N.R.-M.I.S.O, (Metodologie Innovative in Sintesi Organiche), via Orabona 4 I-70125, Bari, Italy.
The ionic liquid [bmim][BF4] (1-n-butyl-3-methylimidazolium tetrafluoroborate) was used as innovative solvent for a recyclable catalytic system active in metal promoted Michael additions employing Ni(acac)2 as catalyst.