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Preparative and structural studies on sulfur-linked carborane icosahedra: 2-Phenyl-ortho-carboranyl-sulfur systems (2-Ph-1,2-C2B 10H10)2X (X = S, S2 or SO), and ortho-carboran-di-yl systems (1,2-C2B10H 10Y)2 (Y = S or SO)

Lookup NU author(s): Emeritus Professor Bill Clegg

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Abstract

Details are reported of the preparation and X-ray structural characterisation of the new compounds (PhCbo)2X, where PhCbo = 2-Ph-1,2-C2B10H10 and X = S (1) or SO (3), prepared from PhCboLi and SCl2 or SOCl 2 respectively, as well as the known compound with X = S2 (2). Hydrogen in the presence of palladium/carbon reduced (3) to (1). Features of their structures (exo C-S and cage C-C distances and substituent orientations) are consistent with significant exo SC dative π-bonding from their sulfur atoms to the cage hypercarbon atoms and weak exo π-bonding from the phenyl groups. Attempts to prepare systems (CboY)2, in which two ortho-carboran-di-yl residues Cbo are linked through two bridging units Y (S, SO) are also reported, as are their calculated structures. © 2005 Elsevier Ltd. All rights reserved.


Publication metadata

Author(s): Batsanov AS, Clegg W, Copley RCB, Fox MA, Gill WR, Grimditch RS, Hibbert TG, Howard JAK, MacBride JAH, Wade K

Publication type: Article

Publication status: Published

Journal: Polyhedron

Year: 2006

Volume: 25

Issue: 2

Pages: 300-306

ISSN (print): 0277-5387

ISSN (electronic): 1873-3719

Publisher: Pergamon

URL: http://dx.doi.org/10.1016/j.poly.2005.06.046

DOI: 10.1016/j.poly.2005.06.046


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