Influence of Electron Transfer Mediators in the Pd(II)-Catalyzed Oxidative Carbonylation of Aniline.

Andrea Vavasori, Lucio Ronchin, Luca Pietrobon, Sara Bravo

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Article in Molecules (Basel, Switzerland), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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5 · Who and what money

Authors and funding

4 authors.

Andrea VavasoriDepartment of Molecular Science and Nanosystems, Ca' Foscari University of Venice, Scientific Campus via Torino n° 155, 30172 Venezia, Italy.ORCID 0000-0002-3823-9952

Lucio RonchinDepartment of Molecular Science and Nanosystems, Ca' Foscari University of Venice, Scientific Campus via Torino n° 155, 30172 Venezia, Italy.

Luca PietrobonDepartment of Molecular Science and Nanosystems, Ca' Foscari University of Venice, Scientific Campus via Torino n° 155, 30172 Venezia, Italy.

Sara BravoDepartment of Molecular Science and Nanosystems, Ca' Foscari University of Venice, Scientific Campus via Torino n° 155, 30172 Venezia, Italy.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Currently, the most promising alternative to the use of the phosgenation reaction, for large-scale production of isocyanates, ureas, and carbamates, appears to be the Pd-catalyzed oxidative carbonylation of arylamines. During the reaction, the Pd(II) catalytic species are reduced to Pd(0) and the addition of sacrificial oxidizing agents is usually necessary to restart the catalytic cycle. Among these oxidizing agents, molecular oxygen is undoubtedly the more appealing, from an economical and green point of view, but it is not so efficient, whereas several metal salts (named cocatalysts) can be used, able to form redox couples with Pd(0) or to act as electron transfer mediators with oxygen itself. Testing several Pd(II) complexes, metal cocatalysts, and promoters, we have found that the [PdCl

Indexed as

1,3–diphenylureaelectron transfer mediatoroxidative carbonylationpalladium catalystphenyl isocyanate

Identifiers

PMID40363832

DOI10.3390/molecules30092027

PMCPMC12074507

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