An anthraquinone-based Cu(I) cyclic trinuclear complex for photo-catalyzing C-C coupling reactions

Development of transition metal-based photocatalysts with low cost, strong visible light absorption, and high efficiency is a long-stand pursuit for advanced organic synthesis, yet remains highly challenging. In this article, an anthraquinone-based copper(I) cyclic trinuclear complex ( 1 ) was desig...

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Bibliographic Details
Published in:Science China. Chemistry 2023-12, Vol.66 (12), p.3525-3531
Main Authors: Wang, Yu-Mei, Mo, Kai-Ming, Luo, Xiao, Xia, Ri-Qin, Song, Jing-Yi, Ning, Guo-Hong, Li, Dan
Format: Article
Language:English
Subjects:
Alkynes
Anthraquinones
Charge efficiency
Chemical reactions
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Copper
Coupling
Crystals
Efficiency
Electromagnetic absorption
Extinction
Ligands
Light
NMR
Nuclear magnetic resonance
Photocatalysis
Photocatalysts
Solar energy
Substrates
Transition metals
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Summary:Development of transition metal-based photocatalysts with low cost, strong visible light absorption, and high efficiency is a long-stand pursuit for advanced organic synthesis, yet remains highly challenging. In this article, an anthraquinone-based copper(I) cyclic trinuclear complex ( 1 ) was designed and it featured strong visible light absorption, high charge separation efficiency and photochemical properties. Complex 1 as a heterogeneous photocatalyst can efficiently catalyze homo-coupling of terminal alkynes and denitrification-oxidative coupling reaction between hydrazinopyridine and terminal alkynes with excellent yield (up to 99%), broad substrate tolerance (27 examples) and superior reusability (up to 10 cycles without loss of performance) under mild conditions.
ISSN:1674-7291
1869-1870
DOI:10.1007/s11426-023-1777-y