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Enantioselective Copper-Catalyzed Reductive Coupling of Alkenylazaarenes with Ketones

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posted on 23.05.2012, 00:00 authored by Aakarsh Saxena, Bonnie Choi, Hon Wai Lam
Catalytic enantioselective methods for the preparation of chiral azaarene-containing compounds are of high value. By combining the utility of copper hydride catalysis with the ability of CN-containing azaarenes to activate adjacent alkenes toward nucleophilic additions, the enantioselective reductive coupling of alkenylazaarenes with ketones has been developed. The process is tolerant of a wide variety of azaarenes and ketones, and provides aromatic heterocycles bearing tertiary-alcohol-containing side chains with high levels of diastereo- and enantioselection.

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