期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 130, 期 14, 页码 4588-+出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja710542e
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meso-Diphenylphosphanylporphyrins were successfully prepared via Pd-catalyzed C-P cross-coupling reaction of the corresponding meso-iodoporphyrins with diphenylphosphane. The meso-phosphanylporphyrins underwent regioselective metalation at the beta carbon to produce novel classes of porphyrin dimers linked by peripherally fused phosphametallacycles. A Pd-mononucler complex was structurally characterized by X-ray crystallography, which revealed a flat structure of the Pd-linked porphyrin pi systems. Both experimental and theoretical results demonstrate that the orbital interaction between the pyrrolic p pi orbitals and the metal d pi orbital affects optical and electrochemical properties of the metal-linked coplanar porphyrin dimers.
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