Here, we reported for the first time an iron-catalyzed highly enantioselective hydrogenation of minimally functionalized 1,1-disubstituted alkenes to access chiral alkanes with full conversion and excellent ee. A novel chiral 8-oxazoline iminoquinoline ligand and its iron complex have been designed and synthesized. This protocol is operationally simple by using 1 atm of hydrogen gas and shows good functional group tolerance. A primary mechanism has been proposed by the deuterium-labeling experiments.
机构:
Institute of Organic Chemistry, University of Vienna, Währinger Strasse 38, Vienna,1090, AustriaInstitute of Organic Chemistry, University of Vienna, Währinger Strasse 38, Vienna,1090, Austria
Li, Jing
Preinfalk, Alexander
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机构:
Institute of Organic Chemistry, University of Vienna, Währinger Strasse 38, Vienna,1090, AustriaInstitute of Organic Chemistry, University of Vienna, Währinger Strasse 38, Vienna,1090, Austria
Preinfalk, Alexander
Maulide, Nuno
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机构:
Institute of Organic Chemistry, University of Vienna, Währinger Strasse 38, Vienna,1090, AustriaInstitute of Organic Chemistry, University of Vienna, Währinger Strasse 38, Vienna,1090, Austria
Maulide, Nuno
Journal of the American Chemical Society,
2019,
141
(01):
: 143
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147