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Issue 4, 2011
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Unexpected multiple bond cleavage and rearrangement of organosulfide ligands in the presence of Cu(ii) assisted by solvothermal and solvothermal-microwave conditions

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Abstract

An unprecedented in situ multiple bond cleavage of S–S, S–C(sp2) and C–N in the pyrimidinedisulfide (pym2S2) ligand is observed by the reaction of CuCl2·2H2O with this ligand under solvothermal and solvothermal-microwave conditions. In this process the formation of the compound [CuII(μ-Cl)(Cl)L]2, where L represents the new ligand (L = 2-(pyrimidin-2-ylamino)-1,3-thiazole-4-carbaldehyde), is observed. This ligand has been further isolated and X-ray characterized. The similar reaction carried out under solvothermal-microwave conditions gives, in addition to the latter compound, the complex {9·[Cu(pym2S3)(μ-Cl)(Cl)]2·[Cu(pym2S2)(μ-Cl)(Cl)]2}. Coordination of a pyrimidinetrisulfide ligand (pym2S3) is reported for the first time. This work represents an illustrative example of the novel synthetic perspectives attainable via solvothermal-microwave procedures.

Graphical abstract: Unexpected multiple bond cleavage and rearrangement of organosulfide ligands in the presence of Cu(ii) assisted by solvothermal and solvothermal-microwave conditions

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Supplementary files

Article information


Submitted
06 Aug 2010
Accepted
18 Oct 2010
First published
07 Dec 2010

Dalton Trans., 2011,40, 847-852
Article type
Paper

Unexpected multiple bond cleavage and rearrangement of organosulfide ligands in the presence of Cu(II) assisted by solvothermal and solvothermal-microwave conditions

S. Delgado, A. Gallego, O. Castillo and F. Zamora, Dalton Trans., 2011, 40, 847
DOI: 10.1039/C0DT00973C

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