Asymmetric Ion-Pairing Photoredox Catalysis for Stereoselective Cationic Polymerization under Light Control - Details

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By　virtue　of　noninvasive　regulations　by　light,　photocontrolled　polymerizations　have　attracted　considerable　attention　for　the　precision　synthesis　of　macromolecules.　However,　a　cationic　polymerization　with　simultaneous　photocontrol　and　tacticity-regulation　remains　elusive　so　far.　Herein,　we　introduce　an　asymmetric　ion-pairing　photoredox　catalysis　strategy　that　allows　for　the　development　of　a　stereoselective　cationic　polymerization　with　concurrent　light　regulation　for　the　first　time.　By　employing　an　ion　pair　catalyst　(PC+/*A-)　consisting　of　a　photoredox　active　cation　(PC+)　and　a　sterically　confined　chiral　anion　(*A-)　to　deliver　the　stereochemical　control,　the　cationic　polymerization　of　vinyl　ethers　can　be　achieved　with　photocontrol　and　high　isotactic　selectivity　(up　to　91%　m)　at　a　remarkable　low　catalyst　loading　(50　ppm).　©　2024　American　Chemical　Society.

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[ 1 ] [Yang Z.]State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
[ 2 ] [Yang Z.]Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), College of Chemistry, Fuzhou University, Fuzhou, 350108, China
[ 3 ] [Liao Y.]State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
[ 4 ] [Liao Y.]Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), College of Chemistry, Fuzhou University, Fuzhou, 350108, China
[ 5 ] [Zhang Z.]State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
[ 6 ] [Zhang Z.]Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), College of Chemistry, Fuzhou University, Fuzhou, 350108, China
[ 7 ] [Chen J.]State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
[ 8 ] [Chen J.]Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), College of Chemistry, Fuzhou University, Fuzhou, 350108, China
[ 9 ] [Zhang X.]Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), College of Chemistry, Fuzhou University, Fuzhou, 350108, China
[ 10 ] [Liao S.]State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
[ 11 ] [Liao S.]Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), College of Chemistry, Fuzhou University, Fuzhou, 350108, China
[ 12 ] [Liao S.]Beijing National Laboratory for Molecular Sciences, Beijing, 100190, China

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Journal of the American Chemical Society

ISSN： 0002-7863

Year： 2024

Issue： 10

Volume： 146

Page： 6449-6455

1 4 . 5 0 0

JCR@2023

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SCOPUS Cited Count： 1

ESI Highly Cited Papers on the List： 0 Unfold All

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