Rhodium-platinum oxide: Difference between revisions
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==See also== |
==See also== |
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*[[Rhodium-catalyzed hydrogenation]] |
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*[[Wilkinson's catalyst]] |
*[[Wilkinson's catalyst]] |
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*[[Platinum black]] |
*[[Platinum black]] |
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Revision as of 01:19, 29 January 2016
Template:New unreviewed article
Rhodium-Platinum Oxide (Rh–Pt Oxide), or Nishimura Catalyst, is an inorganic compound used as a hydrogenation catalyst.[1]
Uses
Rh–Pt Oxide is used to reduce various aromatic compounds to their respective cycloalkanes or saturated heterocycles under mild conditions (i.e. often at room temperature and atmospheric pressure).[2][3] In this application, Rh–Pt Oxide is superior to other group 10 catalysts such as platinum dioxide. Furthermore, the catalyst can be used to carryout the reaction with minimal losses of oxygen containing functional groups via hydrogenolysis.[4][5][6]
Preparation
An aqueous solution of rhodium chloride, Hexachloroplatinic acid, and sodium nitrate is dried and fused in a porcelain dish.[1][3] The resulting substance is then washed with dilute sodium nitrate followed by drying with calcium chloride. Finally the dried material is reduced under hydrogen in glacial acetic acid to yield the catalyst.
See also
- Rhodium-catalyzed hydrogenation
- Wilkinson's catalyst
- Platinum black
- Palladium on carbon
- Lindlar catalyst
- Birch reduction
References
- ^ a b Nishimura, Shigeo (2001). Handbook of Heterogeneous Catalytic Hydrogenation for Organic Synthesis (1st ed.). Newyork: Wiley-Interscience. pp. 42–43, 182, 389–390, 408, & 414-571. ISBN 9780471396987.
- ^ Nishimura, Shigeo (1961). "Hydrogenation and Hydrogenolysis. V. Rhodium-Platinum Oxide as a Catalyst for the Hydrogenation of Organic Compounds". Bulletin of the Chemical Society of Japan. 34 (1): 32–36. doi:10.1246/bcsj.34.32.
- ^ a b Nishimura, Shigeo (1961). "Rhodium-Platinum Oxide as α Catalyst for the Hydrogenation of Organic Compounds. II. Catalyst Preparation and Effects of Platinum in Rhodium-Platinum Oxide". Bulletin of the Chemical Society of Japan. 34 (10): 1544–1545. doi:10.1246/bcsj.34.1544.
- ^ Nishimura, Shigeo (1960). "Hydrogenation and Hydrogenolysis. III. Rhodium-Platinum Oxide as a Catalyst for the Hydrogenation of the Aromatic Nucleus". Bulletin of the Chemical Society of Japan. 33 (4): 566–567. doi:10.1246/bcsj.33.566.
- ^ Stocker, J. H. (1962). "Communications to the Editor". The Journal of Organic Chemistry. 27 (5): 2288–2292. doi:10.1021/jo01053a077.
- ^ Nishimura, Shigeo; Taguchi, Hisaaki (1963). "Hydrogenation and Hydrogenolysis. VII. Selective Hydrogenation of Aromatic Compounds Containing C–O Linkages Liable to Hydrogenolysis with a Rhodium-Platinum Oxide under high Pressures". Bulletin of the Chemical Society of Japan. 36 (3): 353–355. doi:10.1246/bcsj.36.353.