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

Lookup NU author(s): Emeritus Professor Bill Clegg, Dr Ross Harrington

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Abstract

Treatment of (Ar-F')(2)Zn(OEt2)(2) (Ar-F' = 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 (Ar-F')(2)ZnL2 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. (C) 2009 Elsevier Ltd. All rights reserved.


Publication metadata

Author(s): Martin E, Clegg W, Harrington RW, Hughes DL, Hursthouse MB, Male L, Lancaster SJ

Publication type: Article

Publication status: Published

Journal: Polyhedron

Year: 2010

Volume: 29

Issue: 1

Pages: 405-413

ISSN (print): 0277-5387

ISSN (electronic): 1873-3719

Publisher: Pergamon

URL: http://dx.doi.org/10.1016/j.poly.2009.06.018

DOI: 10.1016/j.poly.2009.06.018


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