SPhos
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| Names | |
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| Preferred IUPAC name
Dicyclohexyl(2′,6′-dimethoxy[1,1′-biphenyl]-2-yl)phosphane | |
| Other names
SPhos
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| Identifiers | |
3D model (JSmol)
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| ChemSpider | |
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PubChem CID
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| UNII | |
CompTox Dashboard (EPA)
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| Properties | |
| C26H35O2P | |
| Molar mass | 410.53 g/mol |
| Appearance | colorless solid |
| Melting point | 164 to 166 °C (327 to 331 °F; 437 to 439 K) |
| Solubility | soluble in organic solvents |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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SPhos is a phosphine ligand derived from biphenyl. Its palladium complexes exhibit high activity for Suzuki coupling reactions involving aryl chlorides, which are unreactive with palladium complexes of most other phosphine ligands.[1] The ligand has convenient handling characteristics since it is air-stable.[2]