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THE NOVEL METAL COMPLEXES WITH KETOPROFEN. THERMAL AND SPECTROSCOPY INVESTIGATIONS

Date added: 2017-10-01
Type: Article

Author / authors

Michał Gacki

Michał Gacki

Chemical sciences, Technology

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Karolina Kafarska

Karolina Kafarska

Chemical sciences, Technology

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Abstract

The novel metal complexes of ketoprofen (Hket)(1) with general formulae Mn(L)4(2), Co(L)4(3), Ni(L)4(4), and
Zn(L)4(5) (where L= Hket, ket) were synthesized and characterized by elemental analysis, FTIR- spectroscopy
and thermal decomposition techniques. All IR spectra revealed absorption bands related to the asymmetric
(νas) and symmetric (νs) vibrations of carboxylate group. The Nakammoto criteria clearly indicate that this group
is bonded in a bidentate-chelate mode. The thermal behavior of complexes was studied by TG, DTG methods
under dynamic condition in air. Upon heating, all compounds decompose progressively to metal oxides, which
are the final products of pyrolysis.

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