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UAB Digital Repository of Documents 98 records found  1 - 10nextend  jump to record: Search took 0.00 seconds. 
1.
6 p, 1.1 MB Site-selective and metal-free C-H phosphonation of arenes via photoactivation of thianthrenium salts / Gallego-Gamo, Albert (Universitat Autònoma de Barcelona. Departament de Química) ; Reyes-Mesa, David (Universitat Autònoma de Barcelona. Departament de Química) ; Guinart-Guillem, Axel (Universitat Autònoma de Barcelona. Departament de Química) ; Pleixats i Rovira, Roser (Universitat Autònoma de Barcelona. Departament de Química) ; Gimbert Suriñach, Carolina (Universitat Autònoma de Barcelona. Departament de Química) ; Vallribera Massó, Adelina (Universitat Autònoma de Barcelona. Departament de Química) ; Granados Toda, Albert (Universitat Autònoma de Barcelona. Departament de Química)
Aryl phosphonates are prevalent moieties in medicinal chemistry and agrochemicals. Their chemical synthesis normally relies on the use of precious metals, harsh conditions or aryl halides as substrates. [...]
2023 - 10.1039/d3ra04512a
RSC advances, Vol. 13, Issue 33 (August 2023) , p. 23359-23364  
Detailed record - Creative Commons
2.
24 p, 966.5 KB Enantioenriched Quaternary α-Pentafluoroethyl Derivatives of Alkyl 1-Indanone-2-Carboxylates / Granados Toda, Albert (Universitat Autònoma de Barcelona. Departament de Química) ; Ballesteros, Anna (Universitat Autònoma de Barcelona. Departament de Química) ; Vallribera Massó, Adelina (Universitat Autònoma de Barcelona. Departament de Química)
An electrophilic enantioselective catalytic method for the α-pentafluoroethylation of 3-oxoesters is described. Under the use of La(OTf)3 in combination with a (S,R)-indanyl-pybox ligand, good results in terms of yield and enantioselectivities were achieved (up to 89% ee). [...]
2020 - 10.1021/acs.joc.0c00210
Journal of organic chemistry, Vol. 85, Issue 16 (August 2020) , p. 10378-10387  
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3.
31 p, 1.0 MB Fluorous hydrophobic fluorescent (E)-Stilbene derivatives for application on security paper / Granados Toda, Albert (Universitat Autònoma de Barcelona. Departament de Química) ; Vallribera Massó, Adelina (Universitat Autònoma de Barcelona. Departament de Química)
(E)-Stilbene hydrophobic fluorophores possessing long perfluorinated or hydrocarbonated chains have been prepared through a stereoselective Wittig-Schlosser reaction. When covalently grafted upon paper, they give rise to a fluorescent-labeled paper upon irradiation with UV light. [...]
2019 - 10.1016/j.dyepig.2019.107597
Dyes and pigments, Vol. 170 (November 2019) , art. 107597  
Detailed record - Creative Commons
4.
7 p, 902.9 KB Lanthanum-Catalyzed Enantioselective Trifluoromethylation by Using an Electrophilic Hypervalent Iodine Reagent / Granados Toda, Albert (Universitat Autònoma de Barcelona. Departament de Química) ; Rivilla, I (Universidad del País Vasco. Departamento de Química Orgánica) ; Cossío, Fernando P. (Centro de Innovación en Química Avanzada (ORFEO-CINQA)) ; Vallribera Massó, Adelina (Universitat Autònoma de Barcelona. Departament de Química)
A highly enantioselective catalytic method for the synthesis of quaternary α-trifluoromethyl derivatives of 3-oxo esters is described. The reaction uses lanthanum(III) triflate and chiral PyBOX-type C2-symmetric ligands to generate intermediate LaIII complexes that incorporate an enolate moiety of the starting 3-oxo ester and the trifluoromethylation transfer reagent. [...]
2019 - 10.1002/chem.201900598
Chemistry, Vol. 25, Issue 35 (June 2019) , p. 8214-8218  
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5.
15 p, 1.5 MB Anti-inflammatory Cotton Fabrics and Silica Nanoparticles with Potential Topical Medical Applications / Li, Hao (Universitat Autònoma de Barcelona. Departament de Química) ; Granados Toda, Albert (Universitat Autònoma de Barcelona. Departament de Química) ; Fernandez, Ester (Universitat Autònoma de Barcelona. Departament de Biologia Cel·lular, de Fisiologia i d'Immunologia) ; Pleixats i Rovira, Roser (Universitat Autònoma de Barcelona. Departament de Química) ; Vallribera Massó, Adelina (Universitat Autònoma de Barcelona. Departament de Química)
The preparation of functional cotton fabrics and silica nanoparticles by direct covalent linking of nonsteroidal anti-inflammatory drugs (salicylic acid, ibuprofen, and diclofenac) through an amide group is reported. [...]
2020 - 10.1021/acsami.0c06629
ACS applied materials & interfaces, Vol. 12, Issue 23 (June 2020) , p. 25658-25675  
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6.
15 p, 1.3 MB Fluorous l -Carbidopa Precursors : Highly Enantioselective Synthesis and Computational Prediction of Bioactivity / Granados Toda, Albert (Universitat Autònoma de Barcelona. Departament de Química) ; Olmo, Anna del (Universitat Autònoma de Barcelona. Departament de Química) ; Peccati, Francesca (Universitat Autònoma de Barcelona. Departament de Química) ; Billard, Thierry (Université Claude Bernard-Lyon. Institute of Chemistry and Biochemistry) ; Sodupe Roure, Mariona (Universitat Autònoma de Barcelona. Departament de Química) ; Vallribera Massó, Adelina (Universitat Autònoma de Barcelona. Departament de Química)
New fluorous enantiopure (S)-α-aminated β-keto esters were prepared through a highly enantioselective electrophilic α-amination step in the presence of europium triflate and (R,R)-phenyl-pybox. These compounds are precursors of fluorinated analogues of l-carbidopa, which is known to inhibit DOPA decarboxylase (DDC), a key protein in Parkinson's disease. [...]
2018 - 10.1021/acs.joc.7b02685
Journal of organic chemistry, Vol. 83, Issue 1 (January 2018) , p. 303-313  
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7.
26 p, 1.0 MB Stepwise Mechanism for the Bromination of Arenes by a Hypervalent Iodine Reagent / Granados Toda, Albert (Universitat Autònoma de Barcelona. Departament de Química) ; Shafir, Alexandr (Institut de Química Avançada de Catalunya. Departament de Química Biològica) ; Arrieta, Ana (Universidad del País Vasco. Departamento de Química Orgánica) ; Cossío, Fernando P. (Centro de Innovación en Química Avanzada (ORFEO-CINQA)) ; Vallribera Massó, Adelina (Universitat Autònoma de Barcelona. Departament de Química)
A mild, metal-free bromination method of arenes has been developed using the combination of bis(trifluoroacetoxy)iodobencene and trimethylsilyl bromide. In situ-formed dibromo(phenyl)-λ3-iodane (PhIBr2) is proposed as the reactive intermediate. [...]
2020 - 10.1021/acs.joc.9b02784
Journal of organic chemistry, Vol. 85, Issue 4 (February 2020) , p. 2142-2150  
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8.
12 p, 2.6 MB Difluoroalkylation of Anilines via Photoinduced Methods / Gallego-Gamo, Albert (Universitat Autònoma de Barcelona. Departament de Química) ; Granados Toda, Albert (Universitat Autònoma de Barcelona. Departament de Química) ; Pleixats i Rovira, Roser (Universitat Autònoma de Barcelona. Departament de Química) ; Gimbert Suriñach, Carolina (Universitat Autònoma de Barcelona. Departament de Química) ; Vallribera Massó, Adelina (Universitat Autònoma de Barcelona. Departament de Química)
The development of sustainable and mild protocols for the fluoroalkylation of organic backbones is of current interest in chemical organic synthesis. Herein, we present operationally simple and practical transition-metal-free methods for the preparation of difluoroalkyl anilines. [...]
2023 - 10.1021/acs.joc.3c01298
Journal of organic chemistry, Vol. 88, Issue 17 (August 2023) , p. 12585-12596  
Detailed record - Creative Commons
9.
32 p, 1.2 MB Biotinylated phosphorus dendrimers as control line in nucleic acid lateral flow tests / Vidal, Laura (Universitat Autònoma de Barcelona. Departament de Química) ; Ben Aissa Soler, Alejandra (Universitat Autònoma de Barcelona. Departament de Química) ; Salabert Sabaté, Jordi (Universitat Autònoma de Barcelona. Departament de Química) ; Jara, José Juan (Universitat Autònoma de Barcelona. Departament de Química) ; Vallribera Massó, Adelina (Universitat Autònoma de Barcelona. Departament de Química) ; Pividori, María Isabel (Universitat Autònoma de Barcelona. Departament de Química) ; Sebastián Pérez, Rosa Maria (Universitat Autònoma de Barcelona. Departament de Química)
Lateral flow assays (LFA) are an affordable, easy-to-use, qualitative rapid test for clinical diagnosis in nonlaboratory environments and low-resource facilities. The control line of these tests is very important to provide a valid result, confirming that the platform operates correctly. [...]
2020 - 10.1021/acs.biomac.0c00161
Biomacromolecules, Vol. 21, Issue 3 (March 2020) , p. 1315-1323  
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10.
21 p, 990.8 KB Triazine mediated covalent antibiotic grafting on cotton fabrics as a modular approach for developing antimicrobial barriers / Montagut, Ana Maria (Universitat Autònoma de Barcelona. Departament de Química) ; Granados Toda, Albert (Universitat Autònoma de Barcelona. Departament de Química) ; Lazurko, Caitlin (University of Ottawa. Department of Biochemistry, Microbiology and Immunology) ; El-Khoury, Antony (University of Ottawa Heart Institute. Division of Cardiac Surgery) ; Suuronen, Erik J. (University of Ottawa Heart Institute. Division of Cardiac Surgery) ; Alarcón-Martín, Emilio (University of Ottawa Heart Institute. Division of Cardiac Surgery) ; Sebastián Pérez, Rosa Maria (Universitat Autònoma de Barcelona. Departament de Química) ; Vallribera Massó, Adelina (Universitat Autònoma de Barcelona. Departament de Química)
New antimicrobial textiles were prepared through direct chemical linkage of bioactive molecules eugenol and fluoroquinolone derivatives, onto the surface of cotton fabrics. The attachment through a triazine moiety minimizes the leaching of the antimicrobial molecule into the surroundings of the material. [...]
2019 - 10.1007/s10570-019-02584-w
Cellulose, Vol. 26, Issue 12 (August 2019) , p. 7495-7505  
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