Application of 50777-76-9. Chemistry is an experimental science, and the best way to enjoy it and learn about it is performing experiments.Introducing a new discovery about 50777-76-9, Name is 2-(Diphenylphosphino)benzaldehyde
Enantiopure Chiral Phosphines Bearing a Sulfinyl Group and their Application in Catalytic Enantiodivergent Synthesis of Polysubstituted Pyrrolines
In this work, a type of enantiopure chiral phosphines bearing a polar S=O sulfinyl group as the chiral unit in the molecule has been developed, which can be prepared in either enantiomeric form from commercially available materials by a three-step route. The enantiopure chiral phosphines can catalyse enantiodivergent asymmetric [4+1] annulation reactions of alpha,beta-unsaturated imines and allylic carbonates, delivering polysubstituted pyrrolines in either enantiomeric form in up to 99% yield and up to 99% ee, and thus empower a method for dual stereo-controlled synthesis of chiral pyrrolines. This work accordingly unveils a practical and predictable strategy to realize enantiodivergent synthesis.
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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