苯甲酸
化学
苯甲醇
有机化学
多金属氧酸盐
催化作用
组合化学
作者
Ruizhi Shi,Cui Zhao,Zhikang Wu,Likai Yan,Dejin Zang,Yongge Wei
出处
期刊:ACS Sustainable Chemistry & Engineering
[American Chemical Society]
日期:2024-04-19
标识
DOI:10.1021/acssuschemeng.3c05573
摘要
Based on the need for green synthesis, photocatalytic oxidation reactions under ambient conditions are vitally significant. Herein, we developed six new quinolinium-grafted polyoxometalate (Q-POM) structures and explored their photocatalytic ability in the photocatalytic aerobic oxidation of benzyl alcohol-like compounds. Among them, (Bu4N)2+{AlMo6O18[(OCH2)3CCH3][(OCH2)3CNHCOCH2C9H7N]}2– (TBA-Q-Al) can achieve the one-step oxidation of various benzyl alcohols to the corresponding benzoic acid compounds with favorable yields under blue light irradiation at 420–430 nm accompanied by oxygen as the sole oxidant. The photocatalyst combines the ability of quinolinium π–π conjugation to respond to light and the property of the POM backbone to storage-transfer electrons. This work provides guidance for the subsequent development of more efficient quinolinium-grafted POM structures for photocatalytic conversions.
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