Related Products of 564483-19-8. Let’s face it, organic chemistry can seem difficult to learn. Especially from a beginner’s point of view. Like 564483-19-8, Name is Di-tert-butyl(2′,4′,6′-triisopropyl-[1,1′-biphenyl]-2-yl)phosphine. In a document type is Article, introducing its new discovery.
In this contribution, we discuss the reactivity of different phosphanes (XPhos (1a), tBuXPhos (1b), and Mes2PEt (1c)) and tris(pentafluorophenyl)borane (and in one case, EtB(C6F 5)2) against small molecules. 1a/B(C6F 5)3, 1b/B(C6F5)3, and 1c/B(C6F5)3 split dihydrogen heterolytically to yield the phosphonium borate salts 2a, 2b, and 2c, respectively. Control experiments with D2 gave the respective deuterated phosphonium borates 2a-D2, 2b-D2, and 2c-D2. The FLP systems 1b/B(C6F5)3 and 1c/B(C 6F5)3 underwent 1,2-addition reactions with ethene, resulting in the generation of the ethylene-bridged phosphonium borates 3b and 3c. As well, the Lewis pair EtB(C6F5)2 and Mes2PEt reacted with ethene to yield the corresponding 1,2-addition product 3d. At low temperature, the FLP systems 1a/B(C 6F5)3 and 1c/B(C6F5) 3 coordinated carbon dioxide (4a, 4c). The new compounds 2a, 2b, 3b, 3c, 3d, 4a, and 4c were characterized by X-ray crystal structure analyses.
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Reference：
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate