Copper Conjugates of Knoevenagel Condensates of Curcumin and their Schiff Base Derivatives: Synthesis, Spectroscopy, Magnetism, ESR, and Electrochemistry

Ajit P. Zambre Drug Design and Molecular Medicine Group, Department of Chemistry, University of Pune, Pune, India; Department of Medicinal Chemistry, Bharati Vidyapeeth University Poona College of Pharmacy, Pune, India

Abeda Jamadar Department of Medicinal Chemistry, Bharati Vidyapeeth University Poona College of Pharmacy, Pune, India

Subhash Padhye Drug Design and Molecular Medicine Group, Department of Chemistry, University of Pune, Pune, IndiaCorrespondence[email protected]

V. M. Kulkarni Department of Medicinal Chemistry, Bharati Vidyapeeth University Poona College of Pharmacy, Pune, India

Novel copper(II) complexes of curcumin Knoevenagel condensates and their Schiff bases have been synthesized and characterized. All copper complexes possess distorted square‐planar geometries with 1:1 metal to ligand stoichiometry capable of stabilizing Cu²⁺/Cu¹⁺ redox couples in the range 0.34 to 0.40 V. ESR spectral features are consistent with g_‖>g_⊥>2.0 suggesting monomeric nature of copper complexes having d_x ² _−y ² ground state.

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Copper Conjugates of Knoevenagel Condensates of Curcumin and their Schiff Base Derivatives: Synthesis, Spectroscopy, Magnetism, ESR, and Electrochemistry

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Copper Conjugates of Knoevenagel Condensates of Curcumin and their Schiff Base Derivatives: Synthesis, Spectroscopy, Magnetism, ESR, and Electrochemistry

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