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Träfflista för sökning "WFRF:(Martin Sergio) ;pers:(Martín Matute Belén)"

Sökning: WFRF:(Martin Sergio) > Martín Matute Belén

  • Resultat 1-5 av 5
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1.
  • Bermejo-López, Aitor, et al. (författare)
  • Selective Synthesis of Imines via Photooxidative AmineCross-Condensation Catalyzed by PCN-222(Pd)
  • Annan publikation (övrigt vetenskapligt/konstnärligt)abstract
    • Palladium metallated PCN-222 enables the selective cross-condensation of anilines with benzylic aminesunder photooxidative conditions and at ambient temperature. The method affords a series of linear and cyclic Schiffbases. The mild conditions used in this catalytic system results in the isolation of resourceful intermediates such as 2-(benzylideneamino)aniline and 2-(benzylideneamino)phenols, which can be further modified.
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2.
  • Carrasco, Sergio, et al. (författare)
  • Fast and Robust Synthesis of Metalated PCN-222 and Their Catalytic Performance in Cycloaddition Reactions with CO2
  • 2019
  • Ingår i: Organometallics. - : American Chemical Society (ACS). - 0276-7333 .- 1520-6041. ; 38:18, s. 3429-3435
  • Tidskriftsartikel (refereegranskat)abstract
    • A simple and quick setup for the synthesis of PCN-222 and of a variety of metalated PCN-222(Co, Ni, Cu, and Zn), using of a microwave reactor, is reported for CO2 fixation. Metalation of prophyrins by microwave heating has been evaluated through UV-vis titration. PCN-222(M) were obtained in a three-step, one-pot reaction in a remarkable 72% yield in only 30 min. The materials have been characterized using a variety of techniques. A study of CO2 fixation through cycloaddition with epoxides and azidirines using metalated PCNs as catalysts is described. Cyclic carbonates and oxazolidinones were formed using CO2 at atmospheric pressure under mild conditions. Higher activity was observed when PCN-222(Co) was used compared to that with PCN-222(Ni, Cu, Zn).
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3.
  • Carrasco, Sergio, et al. (författare)
  • Hydrazine-Free Facile Synthesis of Palladium-Tetrakis(Triphenylphosphine)
  • 2019
  • Ingår i: European Journal of Inorganic Chemistry. - : Wiley. - 1434-1948 .- 1099-1948 .- 1099-0682. ; :14, s. 1951-1955
  • Tidskriftsartikel (refereegranskat)abstract
    • We present an easy and very efficient procedure for the synthesis of Pd(PPh3)(4) using nontoxic reducing agents. The complex is obtained in a remarkable 83 % yield, and the method can be scaled up. A very detailed spectroscopic and spectrometric characterization is reported.
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4.
  • Carretero Cerdan, Alba, et al. (författare)
  • One-step microwave-assisted synthesis of amino-functionalized chromium(III) terephthalate MIL-101-NH2
  • 2023
  • Ingår i: Materials Today Chemistry. - 2468-5194. ; 31
  • Tidskriftsartikel (refereegranskat)abstract
    • A single-step microwave (MW)-assisted protocol for the synthesis of MIL-101(Cr) and of MIL-101(Cr)-NH2 is described herein, based on the addition of NaF as the modulator instead of hydrofluoric acid to obtain the corresponding polymers in only 1 h with high crystallinity and yields (>70%, 0.5 g). Compared to classic solvothermal protocols (12-72 h, <30%), MW-assisted synthesis allowed shorter reaction time and improved yields, replacing N,N-dimethylformamide by water. Physicochemical properties of MIL-101(Cr)-NH2 and MIL-101(Cr) obtained through this MW-assisted procedure are more homogenous than those observed for the corresponding solvothermal counterparts, and interestingly, enhanced higher control over nanometric particle size (80-130 vs 400-1000 nm), lower polydispersity, and higher Brunauer-Emett-Teller surface area (2000-2700 vs 1800-2300 m2/g) were observed because of the better accessibility and diffusion of gases throughout the internal pores.& COPY; 2023 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
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5.
  • Valiente, Alejandro, et al. (författare)
  • Aerobic Homocoupling of Arylboronic Acids Catalyzed by Regenerable Pd(II)@MIL-88B-NH2(Cr)
  • 2019
  • Ingår i: ChemCatChem. - : Wiley. - 1867-3880 .- 1867-3899. ; 11:16, s. 3933-3940
  • Tidskriftsartikel (refereegranskat)abstract
    • A fast and operationally simple method for the aerobic homocoupling of arylboronic acids is described. The process is catalyzed by Pd(II) complexes supported on the metal-organic framework MIL-88B-NH2(Cr). The benefits of this approach include the use of a benign oxidant/solvent mixture at room temperature with catalytic amounts of base, easy recovery of the catalyst, and easy isolation of the products. Very high conversions and good yields were achieved for a variety of substrates, and the process was also carried out on a larger scale with the same efficiency. The catalyst was found to suffer deactivation due to progressive reduction and agglomeration of palladium into inactive metal clusters/particles. An innovative procedure for the oxidative redispersion and regeneration of the active Pd(II)@MOF species is presented. 
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  • Resultat 1-5 av 5

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