Synthetic Route of 5931-53-3, An article , which mentions 5931-53-3, molecular formula is C19H17P. The compound – Diphenyl(o-tolyl)phosphine played an important role in people’s production and life.
The mechanism of reaction of tertiary phosphine ligands, L, with left bracket Pt//2H//2( mu -H)( mu -dppm)//2 right bracket ** plus (I) to give left bracket Pt//2HL( mu -dppm)//2 left bracket left bracket Pt//2HL( mu -dppm)//2 right bracket ** plus (II) and H//2 has been studied. It is shown that an intermediate, left bracket Pt//2H//2( mu -H)L( mu -dppm)//2 right bracket ** plus (III), is formed and the equilibrium constants associated with formation of III at low temperature have been determined. Hydrogen loss from intermediate III is intramolecular, and there is a primary isotope effect k//H/k//D of 3. 5 for the reductive elimination step. Kinetic studies of the reductive elimination have demonstrated a correlation between equilibrium constants for formation of III and the overall rate of reaction to give II and H//2 and have yielded activation parameters needed to construct a reaction coordinate energy level diagram for the reductive elimination reaction. The probability of the reductive elimination occuring at a single platinum center or across the two platinum centers is discussed.
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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