Chemistry:Phosphatrioxa-adamantane
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| Other names
1,3,5,7-tetramethyl-2,4,6-Trioxa-8-phosphatricyclo[3.3.1.13,7]decane
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3D model (JSmol)
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| Properties | |
| C10H17O3P | |
| Appearance | white solid |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
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Phosphatrioxa-adamantane is an organophosphorus compound that is used as a precursor to bulky phosphine ligands.[1] Abbreviated CgPH (for cage phosphine), it is a white solid.
The compound is prepared by the condensation of two equivalents of acetylacetone and phosphine:
- PH3 + 2 CH3C(O)CH2C(O)CH3 → HP(CH3CCH2CCH3)2O3 + H2O
The condensation is sometimes called the Buckler–Epstein reaction. Many diketones can be employed in place of acetylacetone. The P-H bond can be further derivatized, leading to a range of tertiary phosphines of potential value in homogeneous catalysis.
References
- ↑ Paul G. Pringle, Martin B. Smith "Phosphatrioxa-adamantane Ligands" in Phosphorus(III) Ligands in Homogeneous Catalysis: Design and Synthesis, Edited by Paul C. J. Kamer and Piet W. N. M. van Leeuwen, 2012 John Wiley, New York. doi:10.1002/9781118299715.ch13
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