The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature. 7650-91-1, Name is Benzyldiphenylphosphine, SMILES is P(C1=CC=CC=C1)(CC2=CC=CC=C2)C3=CC=CC=C3, in an article , author is Liu, Bing, once mentioned of 7650-91-1, Name: Benzyldiphenylphosphine.
Cu(I)-Ming-phos Catalyzed Enantioselective [3+2] Cycloadditions of Glycine ketimines to -Trifluoromethyl Enones
A catalytic asymmetric [3+2] cycloaddition of glycine ketimines with -CF3,-disubstituted enones was realized in the presence of a chiral copper(I)/Ming-Phos complex. This method provides an access to construct highly functionalized pyrrolidines bearing three contiguous stereocenters, which including a trifluoromethylated all-carbon quaternary stereocenter. The features of this reaction include high chemo-, diastereo-, enantioselectivity (up to >20:1 cr, >20:1 dr, 98% ee), readily available starting materials, well functional-group tolerance and mild reaction conditions. Control experiments demonstrate that the fluoro-substituent is crucial for the reactivity.
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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