Preparative and structural studies on sulfur-linked carborane icosahedra: 2-Phenyl-ortho-carboranyl-sulfur systems (2-Ph-1,2-C2B10H10)2X (X=S, S2 or SO), and ortho-carboran-di-yl systems (1,2-C2B10H10Y)2 (Y=S or SO)

Abstract

) 'Preparative and structural studies on sulfur-linked carborane icosahedra: 2-phenyl-ortho-carboranyl-sulfur systems (2-Ph-1,2-C2B10H10)(2)X (X = S, S-2 or SO), and ortho-carboran-di-yl systems (1,2-C2B10H10Y)(2) (Y = S or SO). ', Polyhedron., 25 (2 Use policyThe full-text may be used and/or reproduced, and given to third parties in any format or medium, without prior permission or charge, for personal research or study, educational, or not-for-prot purposes provided that:• a full bibliographic reference is made to the original source • a link is made to the metadata record in DRO • the full-text is not changed in any way The full-text must not be sold in any format or medium without the formal permission of the copyright holders.Please consult the full DRO policy for further details. AbstractDetails are reported of the preparation and X-ray structural characterisation of the new compounds (PhCb o ) 2 X, where PhCb o = 12-Ph-1,2-C 2 B 10 H 10 and X = S(1) or SO (3), prepared from PhCb o Li and SCl 2 or SOCl 2 respectively, as well as the known compound with X = S 2 (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 S=C 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 (Cb o Y) 2 , in which two ortho-carboran-di-yl residues Cb o are linked through two bridging units Y (S, SO) are also reported, as are their calculated structures.

New synthetic and structural studies on nitroso-ortho-carboranes RCB10H10CNO and bis(ortho-carboranyl)amines (RCB10H10C)2NH (R=Ph or Me)

“…(4) C (1) (4) showing interactions between the cation and anion and between cation and solvent. Selected distances in Å, B (8) [8]. The CNC angle in diphenylamine Ph 2 NH is 129 and falls to 121 in the Ph 2 N  anion [22,23].…”