Tanaka, Ken; Takahashi, Yoshihiro; Suda, Takeshi; Hirano, Masao published the artcile< Synthesis of enantioenriched N-aryl-2-pyridones with chiral C-N axes by rhodium-catalyzed [2+2+2] cycloaddition of alkynes with isocyanates>, Electric Literature of 139139-93-8, the main research area is alkadiyne phenyl isocyanate stereoselective cycloaddition rhodium catalyst; pyridone stereoselective preparation.
Enantioenriched N-aryl-2-pyridones with axially chiral C-N bonds were prepared by a cationic rhodium(I)-BINAP or tol-BINAP-catalyzed enantioselective [2+2+2] cycloaddition of alkadiynes with ortho-substituted Ph isocyanates.
Synlett published new progress about Alkadiynes Role: RCT (Reactant), RACT (Reactant or Reagent). 139139-93-8 belongs to class chiral-phosphine-ligands, and the molecular formula is C44H40P2, Electric Literature of 139139-93-8.
Referemce:
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