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Listar por palabra clave "Photoredox catalysis"

Mostrando ítems 1-5 de 5

A Combination of Visible-Light Organophotoredox Catalysis and Asymmetric Organocatalysis for the Enantioselective Mannich Reaction of Dihydroquinoxalinones with Ketones

Rostoll-Berenguer, J.; Blay, G.; Muñoz Roca, María Del Carmen; Pedro, J.R.; Vila, C. (American Chemical Society, 2019-08-02)

[EN] An enantioselective photooxidative Mannich reaction of dihydroquinoxalinones with ketones by the merger of organophotoredox and asymmetric organocatalysis is described. This protocol features very mild reaction ...
A comprehensive mechanistic study on the visible light photocatalytic reductive dehalogenation of haloaromatics mediated by Ru(bpy)3Cl2

Marin Melchor, Mireia; Miranda Alonso, Miguel Ángel; Marín García, Mª Luisa (The Royal Society of Chemistry, 2017-10-21)

[EN] Visible light photoredox catalysis is emerging as a versatile technique for a great variety of chemical transformations. Specifically,Ru(bpy)(3)(2+) has been widely used as a transition metal-based photocatalyst; ...
Perylene-Grafted Silicas: Mechanistic Study and Applications in Heterogeneous Photoredox Catalysis

Carrillo, Adela I.; Elhage, Ayda; Marín García, Mª Luisa; Lanterna, Anabel E. (John Wiley & Sons, 2019-11-22)

[EN] A mechanistic study is herein presented for the use of heterogeneous photocatalysts based on perylene moieties. First, the successful immobilization of perylene diimides (PDI) on silica matrices is demonstrated, ...
Photoredox catalysis powered by triplet fusion upconversion: arylation of heteroarenes

Castellanos-Soriano, Jorge; Álvarez-Gutiérrez, Daniel; Jiménez Molero, María Consuelo; Pérez-Ruiz, Raúl (The Royal Society of Chemistry, 2022-07)

[EN] In this work, the feasibility of triplet fusion upconversion (TFU, also named triplet-triplet annihilation upconversion) technology for the functionalization (arylation) of furans and thiophenes has been successfully ...
Reinventing the De Mayo reaction: synthesis of 1,5-diketones or 1,5-ketoesters via visible light [2+2] cycloaddition of beta-diketones or beta-ketoesters with styrenes

Martínez-Haya, Rebeca; Marzo, L.; König, B. (The Royal Society of Chemistry, 2018-10-21)

[EN] A visible light mediated De Mayo reaction between 1,3-diketones and styrenes following a [2+2] cycloaddition pathway via a photosensitization mechanism gives access to 1,5-diketones. The reaction has been applied to ...