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research article
Catalytic Enantioselective Synthesis and Switchable Chiroptical Property of Inherently Chiral Macrocycles
We report herein a strategy to construct enantiopure inherently chiral macrocycles, ABCD-type heteracalix[4]-aromatics, through a catalytic enantioselective intramolecular C−N bond forming reaction. A chiral ligand-palladium complex was found to efficiently induce the inherent chirality of molecules during the macrocyclization process with ee values up to >99%. The resulting ABCD-type heteracalix[4]aromatics displayed excellent and pH triggered switchable electronic circular dichroism and circularly polarized luminescence properties.
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Type
research article
Authors
Tong, Shuo
•
Li, Jiang-Tao
•
Liang, Dong-Dong
•
Zhang, Yan-E
•
Feng, Qi-Yun
•
Zhang, Xin
•
•
Wang, Mei-Xiang
Publication date
2020
Published in
Volume
142
Issue
34
Start page
14432
End page
14436
Peer reviewed
REVIEWED
EPFL units
Available on Infoscience
September 28, 2020