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Dioxomolybdenum(VI) tridentate Schiff base complexes: the role of molybdenum(VI) in obtaining novel dissymmetric polydentate Schiff base ligand (CROSBI ID 522097)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa

Cindrić, Marina ; Galin, Gordana ; Matković-Čalogović, Dubravka ; Hrenar, Tomislav ; Novak, Predrag ; Ljubić, Ivan ; Kajfež Novak, Tanja Dioxomolybdenum(VI) tridentate Schiff base complexes: the role of molybdenum(VI) in obtaining novel dissymmetric polydentate Schiff base ligand // Book of Abstracts, ICOMC 2006, Vol. 2., Poster Presentations / Luis A. Oro (ur.). Zaragoza: Academic Press, 2006. str. P432-x

Podaci o odgovornosti

Cindrić, Marina ; Galin, Gordana ; Matković-Čalogović, Dubravka ; Hrenar, Tomislav ; Novak, Predrag ; Ljubić, Ivan ; Kajfež Novak, Tanja

engleski

Dioxomolybdenum(VI) tridentate Schiff base complexes: the role of molybdenum(VI) in obtaining novel dissymmetric polydentate Schiff base ligand

Intensive studies have been carried out during the last decade on the biochemical, pharmacological and physicochemical functions of molybdenum. In particular, many kinds of dioxomolybdenum compounds have been synthesized in order to study the catalytic oxygen atom transfer reactions as model of molybdoenzymes. Our investigations on the molybdenum(VI) complexes with salicylaldehyde and (L-asparagine, L-glutamine, L-ornithine hydrochloride) gave results which confirmed possible catalytic role of molybdenum in oxidative decarboxylation of aminoacids. The reaction of [MoO2(sal)2] and L-asparagine resulted in the yellow crystalline product [Mo2O5(sal-L-Asn)2] (1) and coumarine-3-carboxamide, (2) while in the reaction of [MoO2(sal)2] and L-ornithine (in hydrochloride form) a novel dissymmetric polydentate ligand coordinated to the molybdenum atom was obtained (3). All products were characterized by elemental analyses, IR and NMR data and X-ray analysis (3). We performed computational methods in order to investigate a possible mechanism for the reaction of [MoO2(sal)2] and L-ornithine.

molybdenum(VI) complexes; salicylaldehyde; aminoacids; IR spectroscopy; NMR spectroscopy; X-ray analysis

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Podaci o prilogu

P432-x.

2006.

objavljeno

Podaci o matičnoj publikaciji

Book of Abstracts, ICOMC 2006, Vol. 2., Poster Presentations

Luis A. Oro

Zaragoza: Academic Press

Podaci o skupu

XXII International Conferenceon Organometallic Chemistry

poster

23.07.2006-28.07.2006

Zaragoza, Španjolska

Povezanost rada

Kemija