Reactions catalyzed within inorganic and organic materials and at electrochemical interfaces commonly occur at high coverage and in condensed media, causing turnover rates to depend strongly on interfacial structure and composition, 51805-45-9, Name is 3,3′,3”-Phosphinetriyltripropanoic acid hydrochloride, SMILES is Cl[H].OC(=O)CCP(CCC(O)=O)CCC(O)=O, in an article , author is Jia, Jia, once mentioned of 51805-45-9, Category: chiral-phosphine-ligands.
An Atropos Chiral Biphenyl Bisphosphine Ligand Bearing Only 2,2 ‘-Substituents and Its Application in Rh-Catalyzed Asymmetric Hydrogenation
An atropos chiral biphenyl bisphosphine ligand bearing only 2,2’-substituents was rationally designed and easily synthesized utilizing a bulky chiral t-butylmethylphosphino block. Computational results showed a large difference in the free energies between the two diastereomers (7.8 kcal/mol) and attainable rotational energy barriers from one diastereomer to another (27.7 kcal/mol and reverse 19.9 kcal/mol). This ligand avoids the time-consuming optical resolution generally needed for the preparation of axially chiral ligands and shows high reactivity and enantioselectivity in Rh-catalyzed asymmetric hydrogenations.
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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