利用模拟阳光对生物质衍生的呋喃进行异相催化转化以选择性生产 C4 化学物质

IF 11.3 1区化学 Q1 CHEMISTRY, PHYSICAL ACS Catalysis Pub Date : 2024-10-31 DOI:10.1021/acscatal.4c04204

Xiaoqian Gao, Hang Tang, Xinli Tong, Jiaxin Zheng

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引用次数: 0

摘要

催化转化生物质资源以合成高附加值的 C4 化学物质在催化领域受到广泛关注。在这项工作中，以金属有机框架（MOFs）为异相催化剂，在分子氧存在下，生物基呋喃（包括糠酸（FAC）和糠醇（FAL））被选择性地转化为 5-羟基-2(5H)-呋喃酮（HFO）和琥珀酸酐（SAN）。例如，在最佳条件下使用 Hf-TCPP 作为光催化剂，SAN 的转化率为 99.0%，选择性为 95.6%。EPR 检测表明，单线态氧的产生在呋喃衍生物的转化过程中起着至关重要的作用。此外，回收实验验证了这些催化剂在光催化反应中可以保持稳定并可重复使用。

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Heterogeneous Catalytic Transformation of Biomass-Derived Furans to Selectively Produce C4 Chemicals with the Simulated Sunlight

Catalytic transformation of biomass resources to synthesize the value-added C₄ chemicals has attracted wide attention in the catalysis field. In this work, with the metal organic frameworks (MOFs) as the heterogeneous catalyst, the biobased furans including furoic acid (FAC) and furfuryl alcohol (FAL) were selectively transformed to 5-hydroxy-2(5H)-furanone (HFO) and succinic anhydride (SAN) in the presence of molecular oxygen. For instance, a 99.0% conversion with 95.6% selectivity of SAN was obtained by using Hf-TCPP as a photocatalyst under the optimal conditions. The EPR detection showed that generation of singlet oxygen plays a crucial role in the conversion of furanic derivatives. Moreover, the recycling experiments verified that these catalysts can remain stable and are reusable in the photocatalytic reaction.

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来源期刊

ACS Catalysis CHEMISTRY, PHYSICAL-

CiteScore

20.80

自引率

6.20%

发文量

1253

审稿时长

1.5 months

期刊介绍： ACS Catalysis is an esteemed journal that publishes original research in the fields of heterogeneous catalysis, molecular catalysis, and biocatalysis. It offers broad coverage across diverse areas such as life sciences, organometallics and synthesis, photochemistry and electrochemistry, drug discovery and synthesis, materials science, environmental protection, polymer discovery and synthesis, and energy and fuels. The scope of the journal is to showcase innovative work in various aspects of catalysis. This includes new reactions and novel synthetic approaches utilizing known catalysts, the discovery or modification of new catalysts, elucidation of catalytic mechanisms through cutting-edge investigations, practical enhancements of existing processes, as well as conceptual advances in the field. Contributions to ACS Catalysis can encompass both experimental and theoretical research focused on catalytic molecules, macromolecules, and materials that exhibit catalytic turnover.