Bismuth vanadate: A versatile heterogeneous catalyst for photocatalytic functionalization of C(sp2)–H bonds

• Published in: Chinese journal of catalysis 2023-03, Vol.46, p.157-166
• Main Authors: Zeng, Fan-Lin, Zhu, Hu-Lin, Wang, Ru-Nan, Yuan, Xiao-Ya, Sun, Kai, Qu, Ling-Bo, Chen, Xiao-Lan, Yu, Bing
• Format: Article
• Language: English
• Subjects: Bismuth vanadate; C–H functionalization; Heterogeneous photocatalyst; Photocatalysis; Radical chemistry
• ISSN: 1872-2067; 1872-2067
• DOI: 10.1016/S1872-2067(23)64391-8

Bismuth vanadate hydrothermally synthesized at 180 °C and then calcined (BiVO4-180) is a versatile and stable heterogeneous photocatalyst for the functionalization of diverse C(sp2)–H bonds under ambient visible-light conditions, with a series of functionalized compounds, including tetrahydroquinoline-succinimide-fused heterocycles, tetrahydroquinolines, 3-(p-(N,N-dimethyl)ben- zyl)indoles, α-aryl α-amino acid esters, and thiocyanated/vulcanized/selenated (hetero)aromatics, synthesized in good yields (79 examples, including modified drugs and dipeptide esters). BiVO4 photocatalysts are advantageous because they are recyclable, inexpensive, air-tolerant, and highly efficient, which are typical characteristics required to overcome the shortcomings of homogeneous photocatalysts. The bismuth vanadate synthesized by the hydrothermal/calcination combined method at 180 °C (BiVO4-180) is demonstrated to be a versatile heterogeneous photocatalyst for diverse C(sp2)–H functionalization reactions under visible light irradiation at ambient conditions.