Diphenylphosphine oxide
 | |
| Identifiers | |
|---|---|
| 4559-70-0 | |
| Properties | |
| C12H11OP | |
| Molar mass | 202.19 |
| Appearance | white solid |
| Melting point | 56-57 ºC |
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| Infobox references | |
Diphenylphosphine oxide is an organophosphorus compound with the formula (C6H5)2P(O)H. It is a white solid that soluble in polar organic solvents. The compound is used in Buchwald-Hartwig coupling reactions to introduce a diphenylphosphino substituent.[1] Analogous to the behavior of phosphorous acid, diphenylphosphine oxide exists in equilibrium with a minor tautomer hydroxydiphenylphosphine (CAS#24630-80-6) (C6H5)2POH.
References
- ↑ Jeffrey O. Saunders, Zheng Wang, Kuiling Ding "Diphenylphosphine Oxide" Encyclopedia of Reagents for Organic Synthesis, 2007 John Wiley & Sons, Ltd. doi:10.1002/047084289X.rd428.pub2
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