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Polynuclear copper(II) Complexes of di-2-pyridyl Ketone Derivatives and Tert-Butylphosphonic Acid: Crystal Structures and Magnetic Behaviour

Polynuclear copper(II) Complexes of di-2-pyridyl Ketone Derivatives and Tert-Butylphosphonic Acid: Crystal Structures and Magnetic Behaviour

Franz A Mautner, M Salah El Fallah, Saskia Speed, Ramon Vicente

Dalton Trans. 2010 May 7;39(17):4070-9.

PMID: 20390170

Abstract:

The syntheses, structural characterization, and magnetic behavior of four new copper(II) complexes derived from tert-butylphosphonic acid and di-2-pyridyl ketone with formulae [Cu{(py)(2)C(OH)(2)}](C(4)H(9)PO(3)H)(2).(H(2)O)(2) (1), [Cu(2)(mu(2)-C(4)H(9)PO(3)H){(py)(2)C(OCH(2)CH(3))O}(mu(2)-NO(3))(NO(3))(H(2)O)](n).(H(2)O)(n) (2), [Cu(4)(mu(2)-C(4)H(9)PO(3)H)(2)(mu(4)-C(4)H(9)PO(3))(2){(py)(2)C(OCH(3))O}(2)].2H(2)O (3) and Na[Cu(6)(mu(3)-C(4)H(9)PO(3))(3){(py)(2)C(OCH(3))O}(3)(mu(6)-NO(3))(NO(3))(3)] (4) (C(4)H(9)PO(3)H(2) = tert-butylphosphonic acid, (py)(2)C(OH)(2) = bis(2-pyridyl)methanediol, {(py)(2)C(OCH(2)CH(3))O}(-) = bis(2-pyridyl)ethoxymethanolato {(py)(2)C(OCH(3))O}(-) = bis(2-pyridyl)methoxymethanolato, are reported. 1 is a mononuclear compound, with tert-butylhydrogenphosphonate in the anionic form. 2 is a nitrate bridged monodimensional compound with 2.110 tert-butylhydrogenphosphonate bridging ligands. 3 is a tetranuclear compound with 2.110 tert-butylhydrogenphosphonate and 3.111 tert-butylphosphonate bridging ligands and 4 is a hexanuclear compound with 3.111 tert-butylphosphonate bridging ligands. The magnetic properties of 2-4 are reported.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP3321640	Butylphosphonic acid		3321-64-0	Price

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