Selective photocatalytic oxidation of (hetero)aryl alcohols to aldehydes and ketones by visible-light-absorbing three-dimensional Ni/ZnO nanoparticles†

IF 3.1 3区 化学 Q2 CHEMISTRY, MULTIDISCIPLINARY
Zahra Bazyar, Fatemeh Zeraatpisheh and Nastaran Moalemiyan
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Abstract

Heterogeneous photocatalysis offers a promising avenue for green oxidation processes in organic synthesis. In this study, we developed a three-dimensional Ni/ZnO photocatalyst for the selective oxidation of (hetero)aryl alcohols to aldehydes and ketones using molecular oxygen as a green and cost-effective oxidant. The results indicated that the three-dimensional Ni/ZnO catalyst, with a nickel loading of 2.92 wt%, exhibited exceptional performance, achieving a conversion rate of 95% and a selectivity of 97%. Moreover, the Ni/ZnO photocatalyst could be easily separated from the crude reaction mixture and reused for several cycles without a significant decrease in reaction efficiency. This highlights its potential for industrial application in large scale synthesis.

Abstract Image

可见光吸收三维Ni/ZnO纳米颗粒†选择性光催化氧化(杂)芳醇生成醛和酮
非均相光催化为有机合成中的绿色氧化过程提供了一条很有前途的途径。在这项研究中,我们开发了一种三维Ni/ZnO光催化剂,用于(杂)芳醇选择性氧化成醛和酮,使用分子氧作为一种绿色和经济的氧化剂。结果表明,镍负载为2.92 wt%的三维Ni/ZnO催化剂表现出优异的性能,转化率为95%,选择性为97%。此外,Ni/ZnO光催化剂可以很容易地从粗反应混合物中分离出来,并且可以多次重复使用,而不会显著降低反应效率。这突出了它在大规模合成中的工业应用潜力。
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来源期刊
Reaction Chemistry & Engineering
Reaction Chemistry & Engineering Chemistry-Chemistry (miscellaneous)
CiteScore
6.60
自引率
7.70%
发文量
227
期刊介绍: Reaction Chemistry & Engineering is a new journal reporting cutting edge research into all aspects of making molecules for the benefit of fundamental research, applied processes and wider society. From fundamental, molecular-level chemistry to large scale chemical production, Reaction Chemistry & Engineering brings together communities of chemists and chemical engineers working to ensure the crucial role of reaction chemistry in today’s world.
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