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Synthesis and Site-selective Metalation of a Benzene-o-dithiol/ Pyridylimine Ligand

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Synthesis and Site-selective Metalation of a Benzene- o -dithiol/

Pyridylimine Ligand

Johannes D¨omer, Tania Pape, and F. Ekkehardt Hahn

Institut f¨ur Anorganische und Analytische Chemie, Westf¨alische Wilhelms-Universit¨at M¨unster, Corrensstraße 30, 48149 M¨unster, Germany

Reprint requests to Prof. Dr. F. Ekkehardt Hahn. Fax: +49-25183-33013.

E-mail: fehahn@uni-muenster.de

Z. Naturforsch.2010,65b,470 – 474; received January 7, 2010

The benzene-o-dithiol/pyridylimine (S-S)/(N-N) ligand H2-7, representing the first example of a new type of bis(bidentate) heterodonor ligands with a mixed donor set, has been synthesized by Schiff base condensation of pyridine-2-carbaldehyde with an amine-substituted benzene-o-dithiol moiety.

Bis(cyclopentadienyl)titanium dichloride reacts selectively at the S-S donor group of H2-7to yield complex [Cp2Ti(7)].

Key words:Heterodonor Ligands, S-S Ligands, N-N Ligands, Titanium, Schiff Bases

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