Acyclic polythioether complexes: preparation and crystal structure of tricarbonyl(2,5,8-trithianonane)molybdenum(0)
β Scribed by Ashby, Michael T.; Enemark, John H.; Lichtenberger, Dennis L.; Ortega, Richard B.
- Book ID
- 127359984
- Publisher
- American Chemical Society
- Year
- 1986
- Tongue
- English
- Weight
- 534 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0020-1669
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Solvolysis of the macrocyclic trithioether complexes fac-[Mo(CO)3 ([9laneS3) ] ([9lanes 3 = 1,4,7-trithiacyclononane) and fac-[Mo(CO)3(ttob)] (ttob = 2,5,8-trithia-[9]-o-benzenophane), and the acyclic trithioether complex fac-[Mo(CO)3(ttn)] (ttn = 2,5,8-trithiononane) in dimethylsulfoxide (DMSO) sol
downfield. Thus on complex formation of (/), additional shielding and deshielding effects occur which can be explained in terms of a diamagnetic ring current in complex (2). We therefore propose the homoaromatic structure (2a) for the complex. Further support for this assignment comes from the fact