Article

Pt(II)- and Pt(IV)-Bridged Cofacial Diporphyrins via Carbon-Transition Metal sigma-Bonds

Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan.
Journal of the American Chemical Society (Impact Factor: 11.44). 11/2008; 130(44):14440-1. DOI: 10.1021/ja8066385
Source: PubMed

ABSTRACT A directly Pt(IV)-bridged cofacial diporphyrin has been synthesized by the cyclometalation reaction of beta-pyridylporphyrin with a Pt(IV) salt. Upon treatment with methylhydrazine, the Pt(IV) bridge is reduced to the Pt(II) center, resulting in a Pt(II)-bridged cofacial dimer with a helicity inversion of the complex as well as change in electronic communication through the metal bridge.

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