Visible-Light-Mediated Cyclization of Arylamines with Aldehydes Using CdSe/CdS Quantum Dots and Titanium Dioxide Nanotube Composite

We report an efficient and simple method for the synthesis of core–shell quantum dots CdSe/CdS in aqueous media under normal pressure. This QDs was successfully loaded on the surface of titanium dioxide nanotubes (TNTs) to get the QDs/TNTs composite photocatalysts. The QDs/TNTs composites were succe...

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Bibliographic Details
Published in:Catalysis letters 2024-04, Vol.154 (4), p.1855-1864
Main Authors: Zhao, Ting-Ting, Zhang, Yue-Yue, Wang, Le-Quan, Shen, Yong-Miao, Qi, Hang
Format: Article
Language:English
Subjects:
Aldehydes
Amines
Aqueous solutions
Cadmium selenides
Cadmium sulfide
Catalysis
Catalytic activity
Caustic soda
Chemistry
Chemistry and Materials Science
Energy consumption
Heterocyclic compounds
Industrial Chemistry/Chemical Engineering
Ligands
Light
Nanotubes
Nitrogen
Organic compounds
Organometallic Chemistry
Photocatalysis
Physical Chemistry
Quantum dots
Radiation
Titanium
Titanium dioxide
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Summary:We report an efficient and simple method for the synthesis of core–shell quantum dots CdSe/CdS in aqueous media under normal pressure. This QDs was successfully loaded on the surface of titanium dioxide nanotubes (TNTs) to get the QDs/TNTs composite photocatalysts. The QDs/TNTs composites were successfully applied to the cyclization reaction between arylamines and a series of aldehydes to give the corresponding N-heterocyclic compounds. The results show that the QDs/TNTs composite with the advantages of good catalytic activity, low cost, ease of recovering, and being able to be used for several times. Graphical Abstract
ISSN:1011-372X
1572-879X
DOI:10.1007/s10562-023-04395-y