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Visible‐Light‐Promoted Asymmetric Cross‐Dehydrogenative Coupling of Tertiary Amines to Ketones by Synergistic Multiple Catalysis
Author(s) -
Yang Qi,
Zhang Long,
Ye Chen,
Luo Sanzhong,
Wu LiZhu,
Tung ChenHo
Publication year - 2017
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201700572
Subject(s) - catalysis , iminium , enamine , chemistry , tetrahydroisoquinoline , combinatorial chemistry , amine gas treating , photochemistry , photocatalysis , synergistic catalysis , organic chemistry
Reported herein is an unprecedented photocatalytic asymmetric cross‐dehydrogenative coupling reaction between tertiary amines and simple ketones, and it proceeds by synergistic multiple catalysis with substoichiometric amounts of a hydrogen acceptor. This process is enabled by a simple chiral primary amine catalyst through the coupling of a catalytic enamine intermediate and an iminium cation intermediate in situ generated from tetrahydroisoquinoline derivatives by coupled Ru/Co catalysis.
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