Reference of 1038-95-5, Chemistry can be defined as the study of matter and the changes it undergoes. You’ll sometimes hear it called the central science because it is the connection between physics and all the other sciences, starting with biology.1038-95-5, Name is Tri-p-tolylphosphine, molecular formula is C21H21P. In a patent, introducing its new discovery.
Reaction of Na2[Mn2{mu-OP(OEt)2}{mu- P(OEt)2}(CO)6] with SnR2Cl2 (R = Bu, Ph) in tetrahydrofuran leads finally to the stannyl-bridged heptacarbonyl compounds [Mn2{mu-Sn: Sn,P-SnR2OP(OEt) 2}{mu-P(OEt)2}(CO)7] or, in the presence of PR?3 (R? = Ph, p-tol, Cy, iPr), to the corresponding hexacarbonyl complexes [Mn2-{mu-Sn:Sn,P-SnR 2OP(OEt)2}{mu-P(OEt)2}-(CO) 6(PR?3)]. Several intermediates are involved in these reactions, which include the expected initial stannylene product [Mn 2(mu-SnR2){mu-OP(OEt)2}{mu-P(OEt) 2}(CO)6], detected when R = Bu, and unstable solvent adducts. The products isolated all display a one-electron-donor stannyl bridging group derived from the O-Sn coupling between the phosphonate and stannylene ligands present in the initial intermediate, as confirmed by an X-ray study on [Mn2{mu-Sn:Sn,P-SnPh2OP(OEt)2}(CO) 6(PiPr3)] and the spectroscopic (IR, 1H and 31P NMR) analysis of the new complexes.
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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