The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature. Recommanded Product: 3,3′,3”-Phosphinetriyltripropanoic acid hydrochloride, 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 Hutchings-Goetz, Luke, once mentioned of 51805-45-9.
Enantioselective alpha-Allylation of Aryl Acetic Acid Esters via C1-Ammonium Enolate Nucleophiles: Identification of a Broadly Effective Palladium Catalyst for Electron-Deficient Electrophiles
We have identified a generally effective Pd catalyst for the highly enantioselective cooperative Lewis base/Pd-catalyzed alpha-allylation of aryl acetic esters using electron-deficient electrophiles. Changing between aldehyde, ketone, ester, and amide substituents at the terminus of intermediate cationic pi-(allyl)Pd species affects both the efficiency of the reaction and, in the case of amides, control over the stereochemistry of the product alkene, as a function of the ligand. Tris[tri(2-thienyl)phosphino]Pd(0) serves as a broadly effective catalyst and overcomes these challenges to provide a general, high-yielding, and operationally simple C(sp(3))-C(sp(3)) bond-forming method that gives products with high levels of enantioselectivity.
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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