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Catalysts
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Advances in Heterogeneous Catalysis for Organic Transformations
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Advances in Heterogeneous Catalysis for Organic Transformations

A special issue of Catalysts (ISSN 2073-4344). This special issue belongs to the section "Catalysis in Organic and Polymer Chemistry".

Deadline for manuscript submissions: closed (31 March 2024) | Viewed by 4341

Special Issue Editors

Dr. Tao Song

E-Mail Website
Guest Editor
1. Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, China
2. Shandong Energy Institute, Qingdao 266101, China
3. Qingdao New Energy Shandong Laboratory, Qingdao 266101, China
Interests: heterogeneous catalysis; homogeneous catalysis; photocatalysis; green chemistry; organic synthesis; synthesis and depolymerization of polyester
Dr. Xiufang Chen

E-Mail Website
Guest Editor
National & Local Joint Engineering Research Center for Textile Fiber Materials and Processing Technology, College of Material Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
Interests: photocatalysis; photocatalytic environmental purification; photocatalytic organic synthesis; development of photocatalytic nanomaterials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The development of green, sustainable chemical processes striving for waste reduction, atomic efficiency, and high rates of catalyst recovery is one of the vital challenges in the chemical industry. The classical procedures for organic transformations have their inherent drawbacks, such as the use of toxic and hazardous reagents and solvents, harsh reaction conditions, and the production of great amounts of toxic waste. Alternatively, nanostructured materials are attractive candidates as heterogeneous catalysts for various organic transformations, especially because they meet green chemistry principles.

Recently, extensive efforts have been devoted to the rational design and fabrication of highly active and selective nanostructured catalysts for thermocatalysis or photocatalysis organic transformation processes. The ease of isolation and separation of the heterogeneous catalysts from the desired organic product and the recovery and reuse of these catalysts further enhance their attractiveness as green and sustainable catalysts.

This Special Issue will present recent and significant developments in the design, preparation, and application of heterogeneous catalysts towards various organic transformations. Original articles and short reviews are welcome for submission.

Dr. Tao Song
Dr. Xiufang Chen
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Catalysts is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2200 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • heterogeneous catalysis
  • nanostructured catalytic materials
  • photocatalysis
  • thermocatalysis
  • green chemistry
  • organic reactions

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Published Papers (2 papers)

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15 pages, 10611 KiB  
Article
Boosting Solvent-Free Aerobic Oxidation of Benzylic Compounds into Ketones over Au-Pd Nanoparticles Supported by Porous Carbon
by Shanshan Sun, Xiaoyu Peng, Xingcui Guo, Xiufang Chen and Di Liu
Catalysts 2024, 14(3), 158; https://doi.org/10.3390/catal14030158 - 20 Feb 2024
Cited by 3 | Viewed by 1977
Abstract
The exploitation of highly efficient solvent-free catalytic systems for the selective aerobic oxidation of benzylic compounds to produce corresponding ketones with molecular oxygen under mild conditions remains a great challenge in the chemical industry. In this work, Au-Pd nanoparticles supported on porous carbon [...] Read more.
The exploitation of highly efficient solvent-free catalytic systems for the selective aerobic oxidation of benzylic compounds to produce corresponding ketones with molecular oxygen under mild conditions remains a great challenge in the chemical industry. In this work, Au-Pd nanoparticles supported on porous carbon catalysts were fabricated by the borax-mediated hydrothermal carbonization method and the chemical reduction method. The physicochemical properties of Au-Pd bimetallic samples were examined by XRD, N2 sorption, SEM, TEM, and XPS techniques. The Au-Pd nanoparticles have successfully immobilized on the spherical carbon support with a porous structure and large surface area. A solvent-free catalytic oxidation system was constructed to selectively convert indane into indanone with Au-Pd nanocatalysts and O2. In contrast with a monometallic Au or Pd catalyst, the resulting bimetallic Au-Pd catalyst could effectively activate O2 and exhibit improved catalytic activity in the controlled oxidation of indane into indanone under 1 bar O2. A total of 78% conversion and >99% selectivity toward indanone can be achieved under optimized conditions. The synergistic effect of Au and Pd and porous carbon support contributed to the high catalytic activity for aerobic benzylic compound oxidation. This work offers a promising application prospect of efficient and recyclable Au-Pd nanocatalysts in functional benzylic ketone production. Full article
(This article belongs to the Special Issue Advances in Heterogeneous Catalysis for Organic Transformations)
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12 pages, 3235 KiB  
Article
Dehydrogenation of Diethylene Glycol to Para-Dioxanone over Cu/SiO2 Catalyst: Effect of Structural and Surface Properties
by Kai Guo, Wanmin Wang, Yingchun Ye, Liangfeng Chen, Limin Wang, Jian Wang and Junhua Zhu
Catalysts 2024, 14(1), 20; https://doi.org/10.3390/catal14010020 - 27 Dec 2023
Cited by 2 | Viewed by 1859
Abstract
Para-dioxanone, a typical monomer for high-performance biomedical polymers, is generally obtained from the catalytic dehydrogenation of diethylene glycol. In this work, Cu/SiO2 catalysts were prepared by two different methods and applied in diethylene glycol dehydrogenation. The effects of catalyst properties on the [...] Read more.
Para-dioxanone, a typical monomer for high-performance biomedical polymers, is generally obtained from the catalytic dehydrogenation of diethylene glycol. In this work, Cu/SiO2 catalysts were prepared by two different methods and applied in diethylene glycol dehydrogenation. The effects of catalyst properties on the performance of para-dioxanone production were systematically explored by combined techniques. The results showed that the high specific surface area and regular pore structure of the catalyst promoted and stabilized the high dispersion of the copper species with an abundant Cu-Si interface, thereby providing numerous reactive sites. The appropriate Cu0/Cu+ ratio in the active components produced efficient synergy, which was responsible for the excellent dehydrogenation performance. In addition, the low surface acid density (0.532 μmol/m2) of the catalyst greatly reduced the occurrence of diethylene glycol dehydration, thus improving para-dioxanone selectivity over 90% with promising stability. Full article
(This article belongs to the Special Issue Advances in Heterogeneous Catalysis for Organic Transformations)
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