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Listar por autor "Zheng, Yongkun"

Mostrando ítems 1-6 de 6

Ag2(0) dimers within a thioether-functionalized MOF catalyze the CO2 to CH4 hydrogenation reaction

Zheng, Yongkun; Martín, Nuria; Boronat Zaragoza, Mercedes; Ferrando-Soria, Jesus; Mon-Conejero, Marta; Armentano, Donatella; Pardo, Emilio; Leyva Perez, Antonio (Nature Publishing Group, 2023-06-27)

[EN] Ultrasmall silver clusters in reduced state are difficult to synthesize since silver atoms tend to rapidly aggregate into bigger entities. Here, we show that dimers of reduced silver (Ag-2) are formed within the ...
Carbene reactions catalyzed by silver-supported or metal-free microporous solids

Zheng, Yongkun (Universitat Politècnica de València, 2024-09-02)

[ES] Los carbenos representan una clase de reactivos altamente potentes utilizados en el campo de la síntesis orgánica, que muestran la capacidad de participar eficazmente durante los procesos de inserción en una amplia ...
Highly Efficient MOF-Driven Silver Subnanometer Clusters for the Catalytic Buchner Ring Expansion Reaction

Tiburcio, Estefanía; Zheng, Yongkun; Mon-Conejero, Marta; Martín, Nuria; Ferrando-Soria, Jesús; Armentano, Donatella; Leyva Perez, Antonio; Pardo, Emilio (American Chemical Society, 2022)

[EN] The preparation of novel efficient catalyststhat could be applicable in industrially important chemical processeshas attracted great interest. Small subnanometer metal clusters can exhibit outstanding catalytic ...
HY zeolite catalyzes the ortho-methylation of 1-naphthol

Bacic, Matea; Tejeda-Serrano, Maria; Zheng, Yongkun; Oliver-Meseguer, Judit; Leyva Perez, Antonio (Elsevier, 2024-06)

[EN] The selective ortho-alkylation of 1-naphthol with methanol is carried out over various commercially available acid solid catalysts under relatively mild reaction conditions (<300 degrees C), in batch, and anhydrous ...
MOF-Triggered Synthesis of Subnanometer Ag02 Clusters and Fe3+ Single Atoms: Heterogenization Led to Efficient and Synergetic One- Pot Catalytic Reactions

Tiburcio, Estefanía; Zheng, Yongkun; Bilanin-Artigado, Cristina; Hernández-Garrido, Juan Carlos; Vidal Moya, José Alejandro; Oliver-Meseguer, Judit; Martín-García, Nuria; Mon-Conejero, Marta; Ferrando-Soria, Jesus; Armentano, Donatella; Leyva Perez, Antonio; Pardo, Emilio (American Chemical Society, 2023-05-10)

[EN] The combination of well-defined Fe3+ isolated single-metal atoms and Ag2 subnanometer metal clusters within the channels of a metal¿organic framework (MOF) is reported and characterized by single-crystal X-ray diffraction ...
Silver-Exchanged Zeolite Y Catalyzes a Selective Insertion of Carbenes into C-H and O-H Bonds

Zheng, Yongkun; Vidal Moya, José Alejandro; Hernández-Garrido, Juan Carlos; Mon-Conejero, Marta; Leyva Perez, Antonio (American Chemical Society, 2023-11-03)

[EN] Commercially available zeolite Y modulates the catalytic activity and selectivity of ultrasmall silver species during the Buchner reaction and the carbene addition to methylene and hydroxyl bonds, by simply exchanging ...