Journal
CHEMISTRY & BIODIVERSITY
Volume 5, Issue 10, Pages 2023-2041Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cbdv.200890185
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Funding
- Freistaat Thuringen
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The oxidation of the hexacarbonyl(1,3-dithiolato-S,S')diiron complexes 4a-4c with varying amounts of dimethyldioxirane (DMD) was systematically studied. The chemoselectivity of the oxidation products depended upon the substituent R (R=H, Me, 1/2 (CH2)(5)). For R = H, four oxidation products, 6a-6d, have been obtained. In the case of R = Me, three products. 7a-7c, were formed, and for R = 1/2 (CH2)(5), only complex 8 was observed. These observations are due to steric and electronic effects caused by the substituent R. Additionally, oxidation of the triiron complex 5 with DMD was performed to yield the products 9a and 9b. X-Ray diffraction analyses were performed for 6a-6d, 7a, and 7c, as well as for 9a and 9b. The electronic properties were determined by density-functional theory (DFT) calculations.
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