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Organo-functionalised arsine and stibine organometallics; syntheses and structural characterisations of 1,3- (PhC C)(2)Sb (2)(CH2)(3), As(C CPh)(3), R2AsCH2AsR2 R = Me3SiC C-, (Me3Si)(2)N- and 2-SPy with pi-stacking in the latter

Organo-functionalised arsine and stibine organometallics; syntheses and structural characterisations of 1,3- (PhC C)(2)Sb (2)(CH2)(3), As(C CPh)(3), R2AsCH2AsR2 R = Me3SiC C-, (Me3Si)(2)N- and 2-SPy with pi-stacking in the latter
Organo-functionalised arsine and stibine organometallics; syntheses and structural characterisations of 1,3- (PhC C)(2)Sb (2)(CH2)(3), As(C CPh)(3), R2AsCH2AsR2 R = Me3SiC C-, (Me3Si)(2)N- and 2-SPy with pi-stacking in the latter
A series of dinuclear organo-functionalised stibine and arsine ligands incorporating a range of hard, soft and pi-donor moieties have been synthesised from the reactions of Cl2Sb(CH2)(3)SbCl2 and Cl2AsCH2AsCl2 with a range of organolithium reagents. The X-ray structures of 1,3-[(PhCdropC)(2)Sb](2)(CH2)(3) (1), As(CdropCPh)(3) (2), R2AsCH2AsR2 [R = Me(3)SiCdropC, 3; (Me3Si)(2)N, 4; and 2-SPy 5] have been determined. Compound 5 associates into pseudo dimers as a result of intermolecular pi-pi stacking between the pyridyl groups on one end of two separate diarsine molecules. Whereas the bridging unit remains intact during the syntheses of 1 and 3-5, the formation of the mononuclear trisacetylide species 2, involves the unexplained cleavage of the bridging methylene unit.
stibine, arsine, synthesis, x-ray structures, pi-stacking, group 15 complexes, ligands, metal, chemistry, anion
0277-5387
211-216
Paver, M.A.
1d01a98a-0b92-482a-8ee6-8909f57a2187
Joy, J.S.
e3443670-4059-4810-ba8a-de7d65d572f8
Coles, S.J.
3116f58b-c30c-48cf-bdd5-397d1c1fecf8
Hursthouse, M.B.
57a2ddf9-b1b3-4f38-bfe9-ef2f526388da
Davies, J.E.
96aad3f6-a18a-4b3c-bf46-5d371530153b
Paver, M.A.
1d01a98a-0b92-482a-8ee6-8909f57a2187
Joy, J.S.
e3443670-4059-4810-ba8a-de7d65d572f8
Coles, S.J.
3116f58b-c30c-48cf-bdd5-397d1c1fecf8
Hursthouse, M.B.
57a2ddf9-b1b3-4f38-bfe9-ef2f526388da
Davies, J.E.
96aad3f6-a18a-4b3c-bf46-5d371530153b

Paver, M.A., Joy, J.S., Coles, S.J., Hursthouse, M.B. and Davies, J.E. (2003) Organo-functionalised arsine and stibine organometallics; syntheses and structural characterisations of 1,3- (PhC C)(2)Sb (2)(CH2)(3), As(C CPh)(3), R2AsCH2AsR2 R = Me3SiC C-, (Me3Si)(2)N- and 2-SPy with pi-stacking in the latter. Polyhedron, 22 (1), 211-216. (doi:10.1016/S0277-5387(02)01339-6).

Record type: Article

Abstract

A series of dinuclear organo-functionalised stibine and arsine ligands incorporating a range of hard, soft and pi-donor moieties have been synthesised from the reactions of Cl2Sb(CH2)(3)SbCl2 and Cl2AsCH2AsCl2 with a range of organolithium reagents. The X-ray structures of 1,3-[(PhCdropC)(2)Sb](2)(CH2)(3) (1), As(CdropCPh)(3) (2), R2AsCH2AsR2 [R = Me(3)SiCdropC, 3; (Me3Si)(2)N, 4; and 2-SPy 5] have been determined. Compound 5 associates into pseudo dimers as a result of intermolecular pi-pi stacking between the pyridyl groups on one end of two separate diarsine molecules. Whereas the bridging unit remains intact during the syntheses of 1 and 3-5, the formation of the mononuclear trisacetylide species 2, involves the unexplained cleavage of the bridging methylene unit.

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Published date: 2003
Keywords: stibine, arsine, synthesis, x-ray structures, pi-stacking, group 15 complexes, ligands, metal, chemistry, anion

Identifiers

Local EPrints ID: 20061
URI: http://eprints.soton.ac.uk/id/eprint/20061
ISSN: 0277-5387
PURE UUID: 459f991e-9f00-438d-89c4-5d27ae93d3a2
ORCID for S.J. Coles: ORCID iD orcid.org/0000-0001-8414-9272

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Date deposited: 16 Feb 2006
Last modified: 16 Mar 2024 03:05

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Contributors

Author: M.A. Paver
Author: J.S. Joy
Author: S.J. Coles ORCID iD
Author: M.B. Hursthouse
Author: J.E. Davies

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