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几丁质升级转化为交叉偶联催化剂：机械化学中的定制载体与机遇

Upcycling of Chitin to Cross-Coupling Catalysts: Tailored Supports and Opportunities in Mechanochemistry.

作者信息

Trentin Oscar, Ballesteros-Plata Daniel, Rodríguez-Castellón Enrique, Puppulin Leonardo, Selva Maurizio, Perosa Alvise, Rodríguez-Padrón Daily

机构信息

Department of Molecular Science and Nanosystems, Ca' Foscari University of Venice, Via Torino 155, 30175, Venezia Mestre, Italy.

Department of Inorganic Chemistry, Facultad de Ciencias, Instituto Interuniversitario de Biorrefinerías I3B, Universidad de Málaga, Campus de Teatinos s/n, 29071, Málaga, Spain.

出版信息

ChemSusChem. 2025 Jan 2;18(1):e202401255. doi: 10.1002/cssc.202401255. Epub 2024 Oct 21.

DOI:10.1002/cssc.202401255
PMID:39129709
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11696199/
Abstract

In this study chitin derived from shrimp shells was used in the design of heterogeneous Pd-based catalysts for Heck and Suzuki-Miyaura cross-coupling reactions. The synthesis of Pd nanoparticles supported on N-doped carbons was performed through different approaches, including a sustainable mechanochemical approach, by using a twin-screw extruder. All catalytic systems were characterized by a multitechnique approach and the effect of nanoparticles size, N-doping on the support, and their synergistic interactions were elucidated. Specifically, Kelvin Probe Atomic Force Microscopy provided valuable insights on charge transfer and metal-support interactions. The catalytic behaviour of the samples was investigated in cross-coupling reactions under batch conditions and under semi-continuous flow solvent-free conditions, respectively obtaining a quantitative yield and a noteworthy productivity of 8.7 mol/(gh).

摘要

在本研究中，虾壳衍生的几丁质被用于设计用于Heck和Suzuki-Miyaura交叉偶联反应的非均相钯基催化剂。通过不同方法，包括使用双螺杆挤出机的可持续机械化学方法，进行了负载在氮掺杂碳上的钯纳米颗粒的合成。所有催化体系均采用多技术方法进行表征，并阐明了纳米颗粒尺寸、载体上的氮掺杂及其协同相互作用的影响。具体而言，开尔文探针原子力显微镜提供了关于电荷转移和金属-载体相互作用的有价值见解。分别在间歇条件下和半连续流动无溶剂条件下的交叉偶联反应中研究了样品的催化行为，分别获得了定量产率和8.7 mol/(gh)的显著生产率。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3ddd/11696199/daa0d09fd2e6/CSSC-18-e202401255-g002.jpg
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Chemistry. 2023 Nov 21;29(65):e202301714. doi: 10.1002/chem.202301714. Epub 2023 Oct 15.
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Eco-friendly and safe alternatives for the valorization of shrimp farming waste.虾养殖废物增值的环保与安全替代品。
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Mechanochemistry-Directed Ligand Design: Development of a High-Performance Phosphine Ligand for Palladium-Catalyzed Mechanochemical Organoboron Cross-Coupling.
机械化学导向的配体设计：用于钯催化机械化学有机硼交叉偶联的高性能膦配体的开发。
J Am Chem Soc. 2023 Mar 29;145(12):6823-6837. doi: 10.1021/jacs.2c13543. Epub 2023 Mar 9.
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Chitin and chitin-based biomaterials: A review of advances in processing and food applications.几丁质及几丁质基生物材料：加工与食品应用进展综述
Carbohydr Polym. 2023 Jan 1;299:120142. doi: 10.1016/j.carbpol.2022.120142. Epub 2022 Sep 22.
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Metal-Free -Doped Carbons for Solvent-Less CO Fixation Reactions: A Shrimp Shell Valorization Opportunity.用于无溶剂CO固定反应的无金属掺杂碳：虾壳资源化利用的契机
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