Metal complexes of unsaturated β-ketoanilides

Department of Chemistry, University of Calicut, Calicut-673 635, Kerala, India

Department of Chemistry, Unity Women's College, Manjeri-676 122, Kerala, India

E-mail: mbummathur@rediffmail.com

Manuscript received 31 March 2006, accepted 8 June 2006

A new series of β-ketoanilides,in which the keto group attached to olefinic linkage have been synthesized by the reaction of acetoacetanilide and aromatic aldehydes under specified conditions. The existence of these β-ketoanilides predominantly in the intramolecularly hydrogen bonded enol form has been well demonstrated from their IR,¹H NMR and mass spectral data. Details on the formation of [ML₂] complexes of these unsaturated \(\beta\)-ketoanilides with Ni^II, Cu^II and Zn^II and their nature of bonding are discussed on the basis of analytical, IR, ¹H NMR and mass spectral data.