The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature. 6224-63-1, Name is Tri-m-tolylphosphine, SMILES is CC1=CC(P(C2=CC=CC(C)=C2)C3=CC=CC(C)=C3)=CC=C1, in an article , author is Wu, Mingyue, once mentioned of 6224-63-1, HPLC of Formula: C21H21P.
Cyclohexyl-Fused, Spirobiindane-Derived, Phosphine-Catalyzed Synthesis of Tricyclic gamma-Lactams and Kinetic Resolution of gamma-Substituted Allenoates
A C-2-symmetric chiral phosphine catalyst, NUSIOC-Phos, which can be easily derived from cyclohexyl-fused spirobiindane, was introduced. A highly enantioselective domino process involving pyrrolidine-2,3-diones and gamma-substituted allenoates catalyzed by NUSIOC-Phos has been disclosed. Diastereospecific tricyclic gamma-lactams containing five contiguous stereogenic centers were obtained in high yields and with nearly perfect enantioselectivities. A kinetic resolution process of racemic gamma-substituted allenoates was developed for the generation of optically enriched chiral allenoates.
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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