Zobrazeno 1 - 10 of 108 pro vyhledávání: '"Abel De Cózar"'
1
Akademický článek
Radiationless mechanism of UV deactivation by cuticle phenolics in plants
Autor: Ana González Moreno, Abel de Cózar, Pilar Prieto, Eva Domínguez, Antonio Heredia
Publikováno v: Nature Communications, Vol 13, Iss 1, Pp 1-11 (2022)
Phenolics are abundant in plant cuticles. Here, via transient absorption spectroscopy and quantum chemical calculations, the authors propose a model by which cuticle phenolics provide photoprotection due to ultrafast and non-radiative excited state d
Externí odkaz: https://doaj.org/article/ce611ba22a674dbfb1841b4d73dc733b
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2
Akademický článek
Biological properties and conformational studies of amphiphilic Pd(II) and Ni(II) complexes bearing functionalized aroylaminocarbo-N-thioylpyrrolinate units
Autor: Samet Poyraz, Samet Belveren, Sabriye Aydınoğlu, Mahmut Ulger, Abel de Cózar, Maria de Gracia Retamosa, Jose M. Sansano, H. Ali Döndaş
Publikováno v: Beilstein Journal of Organic Chemistry, Vol 17, Iss 1, Pp 2812-2821 (2021)
A series of novel palladium(II) and nickel(II) complexes of multifunctionalized aroylaminocarbo-N-thioylpyrrolinates were synthesized and characterized by analytical and spectroscopic techniques. The biological properties of the freshly prepared comp
Externí odkaz: https://doaj.org/article/6c7b040668e34a76a243234455424d9a
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3
Akademický článek
Synthetic scope and DFT analysis of the chiral binap–gold(I) complex-catalyzed 1,3-dipolar cycloaddition of azlactones with alkenes
Autor: María Martín-Rodríguez, Luis M. Castelló, Carmen Nájera, José M. Sansano, Olatz Larrañaga, Abel de Cózar, Fernando P. Cossío
Publikováno v: Beilstein Journal of Organic Chemistry, Vol 9, Iss 1, Pp 2422-2433 (2013)
The 1,3-dipolar cycloaddition between glycine-derived azlactones with maleimides is efficiently catalyzed by the dimeric chiral complex [(Sa)-Binap·AuTFA]2. The alanine-derived oxazolone only reacts with tert-butyl acrylate giving anomalous regioche
Externí odkaz: https://doaj.org/article/61e0364c6c894d658971a4cb174e9e73
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4
Akademický článek
Chiral gold(I) vs chiral silver complexes as catalysts for the enantioselective synthesis of the second generation GSK-hepatitis C virus inhibitor
Autor: María Martín-Rodríguez, Carmen Nájera, José M. Sansano, Abel de Cózar, Fernando P. Cossío
Publikováno v: Beilstein Journal of Organic Chemistry, Vol 7, Iss 1, Pp 988-996 (2011)
The synthesis of a GSK 2nd generation inhibitor of the hepatitis C virus, by enantioselective 1,3-dipolar cycloaddition between a leucine derived iminoester and tert-butyl acrylate, was studied. The comparison between silver(I) and gold(I) catalysts
Externí odkaz: https://doaj.org/article/b16cd10c917e44df9f4c215e1f2a066e
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5
Synergic photoprotection of phenolic compounds present in tomato fruit cuticle: a spectroscopic investigation in solution
Autor: Ana González Moreno, Jack M. Woolley, Eva Domínguez, Abel de Cózar, Antonio Heredia, Vasilios G. Stavros
Publikováno v: Physical Chemistry Chemical Physics. 25:12791-12799
Coumaric acids and flavonoids play pivotal roles in protecting plants against ultraviolet radiation (UVR) exposure. In this work, we focus our photoprotection studies on p-coumaric acid and the flavonoid naringenin chalcone. Photoprotection is well-u
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d24d244950546f9d416e839c65f45da1
https://doi.org/10.1039/d3cp00630a
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7
Triarylamine Enriched Organostannoxane Drums: Synthesis, Optoelectrochemical Properties, Association Studies, and Gelation Behavior
Autor: Silvia Collavini, Sebastian F. Völker, Andrea Cabrera-Espinoza, Manuel A. Martínez, Abel De Cózar, Leire San Felices, Luis Sánchez, Juan Luis Delgado
Publikováno v: Inorganic Chemistry. 61:4046-4055
The straightforward synthesis of three organotin clusters endowed with six triarylamine-based moieties is reported herein. The optoelectronic properties of the molecules, as well as their ability to form gels, were investigated. The association abili
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1ee336ed7ddda40effe19abd75b4d789
https://doi.org/10.1021/acs.inorgchem.1c03761
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8
Role of imine isomerization in the stereocontrol of the Staudinger reaction between ketenes and imines
Autor: Fernando P. Cossío, Abel de Cózar, Miguel A. Sierra, Luis Casarrubios, Jaime G. Muntaner, Bimal K. Banik, Debasish Bandyopadhyay
Publikováno v: RSC Advances. 12:104-117
Computational-experimental analysis has allowed determining that the stereochemistry of the Staudinger reaction between ketenes and imines is strongly associated with the nature of the imine, which affects the two steps of the reaction. The first ste
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f2115cea63e8b2f7b56b6a23553291d
https://doi.org/10.1039/d1ra06114c
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10
Additive and Emergent Catalytic Properties of Dimeric Unnatural Amino Acid Derivatives: Aldol and Conjugate Additions
Autor: Tamara Bello, Fernando P. Cossío, Abel de Cózar, Andrea Ruiz-Olalla, María de Gracia Retamosa, Maddalen Agirre
Publikováno v: Addi. Archivo Digital para la Docencia y la Investigación
instname
RUA. Repositorio Institucional de la Universidad de Alicante
Universidad de Alicante (UA)
[EN]Different densely substituted L- and D-proline esters were prepared by asymmetric (3+2) cycloaddition reactions catalyzed by conveniently selected EhuPhos chiral ligands. The gamma-nitro-2-alkoxycarbonyl pyrrolidines thus obtained in either their
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f8527c6ea421b6e8106ae6012d6f2765
https://doi.org/10.1002/chem.202102394
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