催化作用
光催化
化学
金属有机骨架
烷基
产量(工程)
复合数
量子产额
人工光合作用
组合化学
光化学
材料科学
有机化学
吸附
冶金
复合材料
物理
荧光
量子力学
作者
Songzhe Fu,Quan Yuan,Long Ma,Zhiming Zhang,Tong‐Bu Lu,Song Guo
出处
期刊:Chemsuschem
[Wiley]
日期:2023-01-20
卷期号:16 (6)
被引量:2
标识
DOI:10.1002/cssc.202202163
摘要
Quinolones and isoquinolones are of particular importance to pharmaceutical industry due to their diverse biological activities. However, their synthetic protocols were limited by high toxicity, high energy consumption, poor functional group tolerance and noble metal catalyst. This study concerns the development of a series of TEMPO@PCN-222 (TEMPO: 2,2,6,6-tetramethylpiperidinyl-1-oxy; PCN: porous coordination network) composite photocatalysts by coordinating different amount of 4-carboxy-TEMPO with the secondary building units of PCN-222. Upon visible-light irradiation, photogenerated holes in the highest occupied molecular orbital of PCN-222 can smoothly transfer to TEMPO, which can significantly boost the photosynthesis of bioactive (iso)quinolones from readily available N-alkyl(iso)quinolinium salts. TEMPO@PCN-222 exhibits an outstanding catalytic stability and substrate tolerance with a 1-methyl-2-quinolinone yield of 86.7 %, over four times that with PCN-222 (21.4 %). This work provides a new route to construct composite photocatalysts from abundant starting materials for efficient photosynthesis of high value-added chemicals.
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