A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 1608-26-0, Name is Tris(dimethylamino)phosphine
, molecular formula is P[N(CH3)2]3. In a Article£¬once mentioned of 1608-26-0, name: Tris(dimethylamino)phosphine
Intramolecular C-H activation by air-stable Pt(II) phosphite complexes
Air-stable L2PtMe2 complexes ligated by bulky aryl phosphite ligands were synthesized and characterized. The aryl phosphite ligands were prepared from substituted phenols and PCl3 or P(NMe2)3 without the use of an external base. The steric environment of the phenol controlled the number of substitutions at P(NMe2)3, resulting in selective formation of P(NMe2)(O-2,6-Me2C6H3)2. The phosphite ligands and their corresponding platinum(II) complexes were found to be air stable and robust. X-ray diffraction structures of the platinum(II) complexes were obtained in order to determine the steric environment around the metal centers. Thermolysis of the L2PtMe2 complexes in C6D6 at 100 C results in loss of methane and formation of one major platinum-containing product in high yield. The products of thermolysis were found to be a result of cyclometalation by C-H activation of a sp3 C-H bond in the ligand to form a 6-membered ring, as confirmed by X-ray crystallography.
Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.name: Tris(dimethylamino)phosphine
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Reference£º
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