Chemistry is traditionally divided into organic and inorganic chemistry. The former is the study of compounds containing at least one carbon-hydrogen bonds. 7650-91-1, Name is Benzyldiphenylphosphine, molecular formula is C19H17P, belongs to chiral-phosphine-ligands compound, is a common compound. In a patnet, author is Cui, Hai-Lei, once mentioned the new application about 7650-91-1, SDS of cas: 7650-91-1.
Asymmetric [3+2] Cycloaddition of Olefins with Morita-Baylis-Hillman Carbonates Catalyzed by BINOL-Based Bifunctional Phosphine
We have developed a series of novel BINOL-based phosphines. These bifunctional organocatalysts can be used in the [3+2] cycloaddition of electron-deficient olefins and Morita-Baylis-Hillman (MBH) carbonates. Moderate to excellent yields (up to >99%) and good to excellent enantioselectivities (up to 95% ee) can be obtained in the cycloaddition reaction of maleimides and MBH carbonates. The application of these novel phosphines can be further extended to the asymmetric synthesis of chiral spirooxindoles (up to 85% ee). The results in this study indicate that the BINOL moiety plays an important role in stereocontrol.
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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