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Pyridine and benzonitrile adducts of bis(4-nonafluorobiphenyl)zinc

DOI: 10.1016/j.poly.2009.06.018 DOI Help

Authors: Eddy Martin (University of East Anglia) , William Clegg (Newcastle University) , Ross Harrington (Newcastle University) , David L. Hughes (Wolfson Materials and Catalysis Centre, University of East Anglia,) , Michael B. Hursthouse (University of Southampton) , Louise Male (Newcastle University) , Simon J. Lancaster (University of East Anglia)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Polyhedron , VOL 29 (1) , PAGES 405 - 413

State: Published (Approved)
Published: April 2010
Diamond Proposal Number(s): 987

Abstract: Treatment of (ArF?)2Zn(OEt2)2 (ArF? = 4-C6F5C6F4) with 2 equiv. of benzonitrile, 4-(phenyl)benzonitrile, 4-(pyrrolyl)benzonitrile, pyridine, 4-(phenyl)pyridine or 4-(pyrrolyl)pyridine in dichloromethane afforded the corresponding adducts (ArF?)2ZnL2 in near quantitative yield. The 2,2?-bipyridine adduct was prepared similarly. Multinuclear NMR spectroscopy indicated that zinc?s four-coordinate character was maintained in solution. The pyridine complex crystallized from dichloromethane with a solid-state structure free of face-to-face aryl–aryl interactions. In contrast, the 4-(pyrrolyl)pyridine adduct crystallized from both dichloromethane and 1,2-difluorobenzene, with solvent of crystallization, but otherwise essentially identical supramolecular architectures assembled through aryl–aryl synthons, including a face-to-face pentafluorophenyl–pyrrole interaction.

Journal Keywords: Supramolecular Organometallic Chemistry; Perfluoroaryl Zinc Complexes; Arene–Arene Interactions

Subject Areas: Chemistry

Instruments: I19-Small Molecule Single Crystal Diffraction

Added On: 08/09/2011 12:32

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