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

Autor: Trentin O; Department of Molecular Science and Nanosystems, Ca' Foscari University of Venice, Via Torino 155, 30175, Venezia Mestre, Italy., Ballesteros-Plata D; Department of Inorganic Chemistry, Facultad de Ciencias, Instituto Interuniversitario de Biorrefinerías I3B, Universidad de Málaga, Campus de Teatinos s/n, 29071, Málaga, Spain., Rodríguez-Castellón E; Department of Inorganic Chemistry, Facultad de Ciencias, Instituto Interuniversitario de Biorrefinerías I3B, Universidad de Málaga, Campus de Teatinos s/n, 29071, Málaga, Spain., Puppulin L; Department of Molecular Science and Nanosystems, Ca' Foscari University of Venice, Via Torino 155, 30175, Venezia Mestre, Italy., Selva M; Department of Molecular Science and Nanosystems, Ca' Foscari University of Venice, Via Torino 155, 30175, Venezia Mestre, Italy., Perosa A; Department of Molecular Science and Nanosystems, Ca' Foscari University of Venice, Via Torino 155, 30175, Venezia Mestre, Italy., Rodríguez-Padrón D; Department of Molecular Science and Nanosystems, Ca' Foscari University of Venice, Via Torino 155, 30175, Venezia Mestre, Italy.
Jazyk: angličtina
Zdroj: ChemSusChem [ChemSusChem] 2025 Jan 02; Vol. 18 (1), pp. e202401255. Date of Electronic Publication: 2024 Oct 21.
DOI: 10.1002/cssc.202401255
Abstrakt: 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/(g Pd h).
(© 2024 The Authors. ChemSusChem published by Wiley-VCH GmbH.)
Databáze: MEDLINE
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