Abstract
C–Si bonds were constructed by utilizing copper hydride-catalyzed asymmetric hydrosilylation of 1,2-dihydroquinolines, affording various chiral 4-silyl-1,2,3,4-tetrahydroquinolines in good yields and enantioselectivity. In addition, the C–Si bonds were transformed into C–O bonds with retention of stereochemistry through the Tamao oxidation, giving a series of useful 4-hydroxy-1,2,3,4-tetrahydroquinolines. This method with the enantioselective introduction of silyl groups provides an option to adjust bioactive properties of tetrahydroquinolines.
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