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The Yb(III) and Lu(III) sandwich complexes of 2,3,9,10,16,17,23,24-octabutoxyphthalocyanine (H2obPc) were prepared and characterized. Those electrochemical properties in CH2Cl2 were studied by means of cyclic voltammetry and absorption spectra in 320–1600 nm region monitored during controlled-potential electrolysis.

Dinuclear and tetranuclear copper(II) complexes with a ligand bearing phthalocyanine and Schiff-base coordination sites were prepared and characterized. The dinuclear complex has two copper(II) phthalocyanine units linked by 2,6-diiminomethyl-4-methylphenol. The imino nitrogen (Schiff-base) coordinates to two more copper(II) ions to give a tetranuclear copper(II) complex composed of a hydroxo- and phenoxo-bridged copper(II) dinuclear unit and two copper(II) phthalocyanine units. Magnetic, spectroscopic, and electrochemical studies showed that there is no significant interaction among the two copper(II) phthalocyanine units and the hydroxo- and phenoxo-bridged dinuclear unit.

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