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 Long, Jinguo, once mentioned of 6224-63-1, SDS of cas: 6224-63-1.
Access to 1,3-Dinitriles by Enantioselective Auto-tandem Catalysis: Merging Allylic Cyanation with Asymmetric Hydrocyanation
Enantioselective auto-tandem catalysis represents a challenging yet highlight attractive topic in the field of asymmetric catalysis. In this context, we describe a dual catalytic cycle that merges allylic cyanation and asymmetric hydrocyanation. The one-pot conversion of a broad array of allylic alcohols into their corresponding 1,3-dinitriles proceeds in good yield with high enantioselectivity. The products are densely functionalized and can be easily transformed to chiral diamines, dinitriles, diesters, and piperidines. Mechanistic studies clearly support a novel sequential cyanation/hydrocyanation pathway.
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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