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Facile Activation of Dihydrogen by an Unsaturated Heavier Main Group Compound
Abstract
The germanium alkyne analogue Ar'GeGeAr' (1, Ar' = C6H3-2,6(C6H3-2,6-Pri2)2) reacts with 1, 2, or 3 equiv of dihydrogen at room temperature, and at 1 atm pressure, to afford a mixture of the products Ar'HGeGeHAr' (2), Ar'H2GeGeH2Ar' (3), or Ar'GeH3 (4). The relative amounts of each product are governed by the number of equivalents of hydrogen used. A mechanism for the initial step in the reaction is proposed. The appearance of 4 among the reaction products was accounted for in terms of either its dissociation to monomers or isomerization to the bridged Ar'Ge(mu-H)2GeAr'. The reactions were monitored by 1H NMR spectroscopy. The products 2, 3, and 4 were characterized by X-ray crystallography, and 4 was synthesized independently by the reduction of Ar'Ge(OMe)3. These reactions represent the first direct addition of hydrogen to a closed shell unsaturated main group compound under ambient conditions.
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Citations
Cited by
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Metadata
- Authors
- Spikes, G. H., Fettinger, J. C., & Power, P. P.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2005-08-16
- Volume
- 127
- Issue
- 35
- Pages
- 12232-12233
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2007009327
- Cited by
- 495
- References
- 0
- FWCI
- 8.57
- Type
- journal article
- Language
- en
- Open access
- closed
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- Spikes, G. H., Fettinger, J. C., & Power, P. P. (2005). Facile Activation of Dihydrogen by an Unsaturated Heavier Main Group Compound. Journal of the American Chemical Society. https://doi.org/10.1021/ja053247a
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