Application of 1608-26-0, Children learn through play, and they learn more than adults might expect. Science experiments are a great way to spark their curiosity, get their minds active, and encourage them to do something that doesn’t involve a screen. 1608-26-0, P[N(CH3)2]3. A document type is Article, introducing its new discovery.
Bis-ortho- and bis-meta-phenylene homologues of BINOL-based N,N-dimethylphosphoramidites were prepared from the corresponding diols by treatment with hexamethyltriaminophosphane. Phosphoramidites derived from bulkier secondary amines were synthesized by 5-phenyl-1H-tetrazole-promoted amine exchange. All the phosphoramidites were obtained as single diastereomers. Their configurations at the C(naphthyl)-C(phenyl) axes were determined by vibrational circular dichroism (VCD) spectroscopy. Preliminary testing of the ligands in copper-catalyzed conjugate addition of diethylzinc to acyclic enones and nitrostyrene gave the corresponding products in up to 74% ee.
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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