Ozturk, T. and Povey, D.C and Wallis, J.D (1994) Short intermolecular s...s contacts in a reaction-product from the cyclic sulfate ester of dimethyl l-tartrate and 2-thioxo-1,3-dithiole-4,5-dithiolate. Tetrahedron, 50 (38). pp. 11205-11212. ISSN 0040-4020.
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Cyclic sulfate ester 6 reacts readily with dithiolate 4 to give meso and dl cyclic products 8 and 9. The crystal structure of 9 shows two short S...S intermolecular interactions (< 3.4 Angstrom) between trithiocarbonate groups, due to cooperative polarisations and the highly asymmetric shape of the bonded S atom. The latter effect is mainly responsible for the 'short' S...S contacts in ET's radical cation salts. In contrast to similar systems, the sp(3) C atoms of the six-membered ring in 9 are displaced to the same side of the dithiole plane.
|Subjects:||Q Science > QD Chemistry|
|Divisions:||Faculties > Science Technology and Medical Studies > School of Biosciences|
|Depositing User:||O.O. Odanye|
|Date Deposited:||05 Jul 2009 19:25|
|Last Modified:||05 Jul 2009 19:25|
|Resource URI:||http://kar.kent.ac.uk/id/eprint/19931 (The current URI for this page, for reference purposes)|
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