Pd/SiC-Catalyzed Visible-Light-Driven N-Methylation of Nitroaranes Using Formaldehyde.

Dongfang Hou, Ruifeng Guo, Xianshu Dong, Yuping Fan, Jingru Wang, Xili Tong

Abstract read

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Article in Nanomaterials (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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5 · Who and what money

Authors and funding

6 authors.

Dongfang HouCenter for Analysis Testing and Equipment Sharing of TYUT, Taiyuan University of Technology, Taiyuan 030024, China.

Ruifeng GuoCollege of Mining Engineering, Taiyuan University of Technology, Taiyuan 030024, China.

Xianshu DongCollege of Mining Engineering, Taiyuan University of Technology, Taiyuan 030024, China.

Yuping FanCollege of Mining Engineering, Taiyuan University of Technology, Taiyuan 030024, China.

Jingru WangCollege of Mining Engineering, Taiyuan University of Technology, Taiyuan 030024, China.ORCID 0009-0009-1072-9392

Xili TongState Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China.

Funding

2022 Annual University Fund of Taiyuan University of Technology No. 2022QN068Scientific and Technological Innovation Programs of Higher Education Institutions in Shanxi No. 2022L058the Fundamental Research Program of Shanxi Province 202203021222111, 202203021212287

6 · The paper itself

Abstract

Pd nanoparticles (Pd/SiC) with a main exposed plane of Pd (111) were prepared by liquid phase reduction. The use of formaldehyde as a methylation reagent for the photocatalytic methylation of aromatic nitro compounds to N,N-methylaniline resulted in one-pot methylations of aromatic nitro compounds with high photocatalytic activity and selectivity under mild reaction conditions. The high catalytic activity of Pd/SiC in N-methylation reactions arises from the Mott-Schottky contact between Pd and SiC, which promotes the transfer of photogenerated electrons to Pd. The high selectivity is ascribed to the ability of Pd nanoparticles to catalyze the hydrogenation of nitro groups to amino groups, which subsequently undergo direct methylation with formaldehyde, bypassing the intermediate formylation step.

Indexed as

methylationnitro compoundsphotocatalysisSiC

Identifiers

PMID41003030

DOI10.3390/nano15181394

PMCPMC12472968

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