Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 13, Issue 5, Pages 6349-6358Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.0c21370
Keywords
covalent organic ramework; photocatalysis; difluoroalkylation; oxidative cyclization; platinum; reaction mechanism
Funding
- University of Arkansas
- NIH-NIGMS [GM132906]
- American Chemical Society Petroleum Research Fund (ACS PRF) [61445-DNI5]
- Indonesian Endowment Fund for Education-LPDP [202002220216006]
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A new COF based on imine bonds with dual-pore structure and high crystallinity was successfully synthesized, and selectively metallated with Pt on the N donor in the larger pores. The metallated COF showed excellent performance as a recyclable heterogeneous photocatalyst for decarboxylative difluoroalkylation and oxidative cyclization reactions.
A new covalent organic framework (COF) based on imine bonds was assembled from 2-(4-formylphenyl)-5-formylpyridine and 1,3,6,8-tetrakis(4-aminophenyl)pyrene, which showed an interesting dual-pore structure with high crystallinity. Postmetallation of the COF with Pt occurred selectively at the N donor (imine and pyridyl) in the larger pores. The metallated COF served as an excellent recyclable heterogeneous photocatalyst for decarboxylative difluoroalkylation and oxidative cyclization reactions.
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