Metal-organic framework (MOF)-, covalent-organic framework (COF)-, and porous-organic polymers (POP)-catalyzed selective C-H bond activation and functionalization reactions

Autores: Daliran, S; Oveisi, AR; Peng, Y; Lopez-Magano, A; Khajeh, M; Mas-Balleste, R; Aleman, J; Luque, R; Garcia, H

Review; Early Access.
Chem. Soc. Rev.. vol: . page: 0306-0012.
Fecha: . .
Doi: 10.1039/d1cs00976a.

Resumen:
Although C-H functionalization is one of the simplest reactions, it requires the use of highly active and selective catalysts. Recently, C-H-active transformations using porous materials such as [read more]

2022-09-14T11:12:03+02:00Categories: Publicaciones 2022|Tags: , |

A Plurizyme with Transaminase and Hydrolase Activity Catalyzes Cascade Reactions

Autores: Roda, S; Fernandez-Lopez, L; Benedens, M; Bollinger, A; Thies, S; Schumacher, J; Coscolin, C; Kazemi, M; Santiago, G; Gertzen, CGW; Gonzalez-Alfonso, JL; Plou, FJ; Jaeger, KE; Smits, SHJ; Ferrer, M; Guallar, V

Artículo.
Angew. Chem.-Int. Edit.. vol: 61. page: 1433-7851.
Fecha: sep-12. 2022.
Doi: 10.1002/anie.202207344.

Resumen:
Engineering dual-function single polypeptide catalysts with two abiotic or biotic catalytic entities (or combinations of [read more]

Understanding electron transfer processes and oxygen reduction electrocatalysis in nanocrystalline Cu-MOF-74

Autores: Rodriguez, SL; Sanchez-Sanchez, M; Zamaro, JM; Fernandez, JL

Artículo.
J. Electroanal. Chem.. vol: 918. page: 1572-6657.
Fecha: AUG 1. 2022.
Doi: 10.1016/j.jelechem.2022.116489.

Resumen:
Metal-organic frameworks (MOFs) with redox properties are potentially good candidates as noble-metal free electrocatalysts due to their high specific surface area, uniform pore size and shape, and high dispersion of redox centers. Copper-based MOFs are particularly interesting as [read more]

Driving the Active Site Incorporation in Zeolitic Materials via the Organic Structure-Directing Agent Through Development of H-Bonds with Hydroxyl Groups

Autores: Bernardo-Maestro, B; Li, J; Perez-Pariente, J; Lopez-Arbeloa, F; Gomez-Hortiguela, L

Artículo.
Chem.-Eur. J.. vol: 28. page: 0947-6539.
Fecha: jul-26. 2022.
Doi: 10.1002/chem.202200702.

Resumen:
(1S,2S)-N-methyl-pseudoephedrine (MPS) was used as organic structure-directing agent (OSDA) for the synthesis of Mg-doped nanoporous aluminophosphates. This molecule displays a particular conformational behavior, where the presence of H-bond donor and acceptor groups provide a rigid conformational space with [read more]

2022-07-26T00:00:00+02:00Categories: Publicaciones 2022|Tags: , |

Cascade Catalysis Through Bifunctional Lipase Metal Biohybrids for the Synthesis of Enantioenriched O-Heterocycles from Allenes

Autores: Naapuri, JM; Losada-Garcia, N; Rothemann, RA; Pichardo, MC; Prechtl, MHG; Palomo, JM; Deska, J

Artículo; Early Access.
ChemCatChem. vol: . page: 1867-3880.
Fecha: . .
Doi: 10.1002/cctc.202200362.

Resumen:
Lipase/metal nanobiohybrids, generated by growth of silver or gold nanoparticles on protein matrixes are used as highly effective dual-activity heterogeneous catalysts for the production of enantiomerically enriched 2,5-dihydrofurans from allenic acetates in a [read more]

2022-07-15T08:57:07+02:00Categories: Publicaciones 2022|Tags: , |

Recent progress in the quantitative assessment and interpretation of photoactivity

Autores: Caudillo-Flores, U; Munoz-Batista, MJ; Fernandez-Garcia, M; Kubacka, A

Review; Early Access.
Catal. Rev.-Sci. Eng.. vol: . page: 0161-4940.
Fecha: . .
Doi: 10.1080/01614940.2022.2075535.

Resumen:
The development of the photo-catalysis field is limited by a deficient quantitative assessment of photo-activity. The interplay between mass and momentum transport together with radiative transfer phenomena taking place at any photo-catalytic reaction or process makes complex [read more]

2022-07-15T11:26:06+02:00Categories: Destacados, Publicaciones 2022|Tags: , |

Silica Bifunctional Supports for the Direct Synthesis of H2O2: Optimization of Br/Acid Sites and Pd/Br Ratio

Autores: Blanco-Brieva, G; Desmedt, F; Miquel, P; Campos-Martin, JM; Fierro, JLG

Arículo.
Catalysts. vol: 12. page: .
Fecha: JUL. 2022.
Doi: 10.3390/catal12070796.

Resumen:
We have studied the direct synthesis of hydrogen peroxide using a catalytic system consisting of palladium supported on silica bifunctionalized with sulfonic acid groups and bromide in the absence of acid and halide promoters in solution. Catalysts with several [read more]

2022-09-14T10:57:38+02:00Categories: Publicaciones 2022|Tags: , |

Role of alkali-cyano group interaction in g-C3N4 based catalysts for hydrogen photo-production

Autores: Caudillo-Flores, U; Ares-Dorado, A; Alonso-Nunez, G; Tudela, D; Fernandez-Garcia, M; Kubacka, A

Artículo.
Catal. Today. vol: 394. page: 0920-5861.
Fecha: jul-01. 2022.
Doi: 10.1016/j.cattod.2021.06.028.

Resumen:
Carbon nitride based materials incorporating K and Na alkali ions were used as support(s) to deposit platinum. The systems were tested in the photo-production of hydrogen using methanol as a sacrificial molecule. Tests under UV and [read more]

Surfactant-induced hierarchically porous MOF-based catalysts prepared under sustainable conditions and their ability to remove bisphenol A from aqueous solutions

Autores: Molina, MA; Habib, NR; Diaz, I; Sanchez-Sanchez, M

Artículo.
Catal. Today. vol: 394. page: 0920-5861.
Fecha: jul-01. 2022.
Doi: 10.1016/j.cattod.2021.10.019.

Resumen:
Metal-Organic Frameworks (MOFs) are extensively used in different applications, including heterogeneous catalysis given the fact that practically any center can be designed on demand and is accessible for reactants. Just like any other microporous catalysts, the limited diffusion of reactants [read more]

Enzyme immobilization strategies for the design of robust and efficient biocatalysts

Autores: Guisan, JM; Fernandez-Lorente, G; Rocha-Martin, J; Moreno-Gamero, D

Artículo.
Curr. Opin. Green Sustain. Chem.. vol: 35. page: 2452-2236.
Fecha: JUN. 2022.
Doi: 10.1016/j.cogsc.2022.100593.

Resumen:
Different strategies for the preparation of efficient and robust immobilized biocatalysts are here reviewed. Different physico-chemical approaches are discussed. i.-The stabilization of enzyme by any kind of immobilization on pre-existing porous supports. ii.-The stabilization of enzymes by [read more]

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