A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 6372-42-5, Name is Cyclohexyldiphenylphosphine, molecular formula is C18H21P. In an article, author is Zhou, Xiaowei,once mentioned of 6372-42-5, COA of Formula: C18H21P.
Ferrocene-based bifunctional organocatalyst for highly enantioselective intramolecular Rauhut-Currier reaction
Three series of novel ferrocene-based bifunctional chiral phosphines have been designed and synthesized. Thethiourea-phosphine A7 showed good performance in enantioselective intramolecular Rauhut Currier reaction of bis(enones), giving the corresponding products in good yield with up to 98% ee. Moreover, with amino acid derived amide-phosphine B3, optically active a-methylene-8-valerolactone was obtained in 88% yield and > 99.9% ee utilizing the enantioselective intramolecular Rauhut-Currier reaction of chalcone derivative.
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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