The formation and isolation of benzisothiazole rings from the reactions of oxime-thiophenolate ligands
Fierro, C.M., Murphy, B.P., Smith, P.D., Coles, S.J. and Hursthouse, M.B. (2006) The formation and isolation of benzisothiazole rings from the reactions of oxime-thiophenolate ligands. Inorganica Chimica Acta, 359, (7), 2321-2327. (doi:10.1016/j.ica.2005.11.047).
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Description/Abstract
The reaction of [Ni(eftp)] (eftp = N, N-ethylene(6-formyl-4-methyliminatothiophenolato)] with hydroxylamine hydrochloride in the presence of potassium acetate in MeOH resulted in the formation of [Ni(L)(2)], L = 2-mercapto-5-methyl-3-({2-[(5-methylbenzo[d]isothiazol-7-ylmethylene)-am ino]-ethylimino)-methyl)-benzonitrile. A single-crystal X-ray diffraction structural determination showed that the oxime groups of the proposed new binucleating ligand had reacted to produce a nitrite and an isothiazole ring, while two ligand molecules combined with one Ni(II) ion to form a new complex with a cis-S2N2 square-planar geometry. Also, the reaction of 2,6-diformyl-4-methylphenyl disulfide with hydroxylamine in MeCN resulted in the synthesis of 5-methyl-2-oxybenzo[d]isothiazole-7-carbaldehyde oxime, where an isothiazole ring had formed via the cleavage of the disulfide bond. Again, a single-crystal X-ray diffraction study confirmed the presence of a benzisothiazole product.
| Item Type: | Article |
|---|---|
| ISSNs: | 0020-1693 (print) |
| Related URLs: | |
| Keywords: | berizisothiazole, n-oxo benzisothiazole, nickel(ii)-thiolate, schiff-base, crystal structure copper(ii) complexes, thiolate complexes, nickel(ii), fe, hydrogenase, tsalen, ni, cu |
| Subjects: | Q Science Q Science > QD Chemistry |
| Divisions: | University Structure - Pre August 2011 > School of Chemistry |
| Item ID: | 44438 |
| Date Deposited: | 02 Mar 2007 |
| Last Modified: | 01 Jun 2011 06:54 |
| Contributors: | Fierro, C.M. (Author) Murphy, B.P. (Author) Smith, P.D. (Author) Coles, S.J. (Author) Hursthouse, M.B. (Author) |
| Date: | 2006 |
| Status: | Published |
| Contact Email Address: | p.smith@mmu.ac.uk |
| URI: | http://eprints.soton.ac.uk/id/eprint/44438 |
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