Discovery of molecular ferroelectric catalytic annulation for quinolines

Jun-Chao Qi, Hang Peng, Zhe-Kun Xu, Zhong-Xia Wang (), Yuan-Yuan Tang, Wei-Qiang Liao (), Guifu Zou (), Yu-Meng You () and Ren-Gen Xiong ()
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Jun-Chao Qi: Nanchang University
Hang Peng: Nanchang University
Zhe-Kun Xu: Nanchang University
Zhong-Xia Wang: Gannan Normal University
Yuan-Yuan Tang: Nanchang University
Wei-Qiang Liao: Nanchang University
Guifu Zou: Soochow University
Yu-Meng You: Southeast University
Ren-Gen Xiong: Nanchang University

Nature Communications, 2024, vol. 15, issue 1, 1-8

Abstract: Abstract Ferroelectrics as emerging and attractive catalysts have shown tremendous potential for applications including wastewater treatment, hydrogen production, nitrogen fixation, and organic synthesis, etc. In this study, we demonstrate that molecular ferroelectric crystal TMCM-CdCl3 (TMCM = trimethylchloromethylammonium) with multiaxial ferroelectricity and superior piezoelectricity has an effective catalytic activity on the direct construction of the pharmacologically important substituted quinoline derivatives via one-pot [3 + 2 + 1] annulation of anilines and terminal alkynes by using N,N-dimethylformamide (DMF) as the carbon source. The recrystallized TMCM-CdCl3 crystals from DMF remain well ferroelectricity and piezoelectricity. Upon ultrasonic condition, periodic changes in polarization contribute to the release of free charges from the surface of the ferroelectric domains in nano size, which then quickly interacts with the substrates in the solution to trigger the pivotal redox process. Our work advances the molecular ferroelectric crystal as a catalytic route to organic synthesis, not only providing valuable direction for molecular ferroelectrics but also further enriching the executable range of ferroelectric catalysis.

Date: 2024
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DOI: 10.1038/s41467-024-51106-1

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