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Communication
Chem. Commun., 2004, 1060 - 1061, DOI: 10.1039/b400596a
Octaethylporphyrin and expanded porphyrin complexes containing coordinated BF2 groups
Thomas Köhler, Michael C. Hodgson, Daniel Seidel, Jacqueline M. Veauthier, Sylvie Meyer, Vincent Lynch, Peter D. W. Boyd, Penelope J. Brothers and Jonathan L. Sessler
In contrast to octaethylporphyrin, which forms a very labile bis-BF2 complex, treatment of the hexa- and octapyrrolic expanded porphyrins amethyrin and [32]octaphyrin with BF3·OEt2 under standard reaction and work-up conditions gives rise to stable, non-labile mono- and bis-BF2 complexes; these were readily characterised by, inter alia, X-ray diffraction analyses.
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