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Abstract A series of bifunctional phosphine oxides have been prepared and evaluated as catalysts for the trichlorosilane mediated asymmetric hydrosilylation of ketimines. bis-Phosphine oxides, hydroxy-phosphine oxides, and biaryl phosphine oxides… Click to show full abstract
Abstract A series of bifunctional phosphine oxides have been prepared and evaluated as catalysts for the trichlorosilane mediated asymmetric hydrosilylation of ketimines. bis-Phosphine oxides, hydroxy-phosphine oxides, and biaryl phosphine oxides all demonstrated good catalytic activity, but poor to moderate enantioselectivity. A bis-P-chiral phosphine oxide displayed the highest enantioselectivity of 60%.
Keywords:
hydrosilylation ketimines;
phosphine oxide;
phosphine;
phosphine oxides;
chiral phosphine;
asymmetric hydrosilylation
Journal Title: Tetrahedron
Year Published: 2019
Link to full text (if available)
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Journal Title: Tetrahedron
Year Published: 2019
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!