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Dive into the research topics where Eduardo Alonso is active.

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Featured researches published by Eduardo Alonso.


Journal of The Chemical Society-perkin Transactions 1 | 2002

Staudinger reactions of unsymmetrical cyclic ketenes: a synthetically useful approach to spiro β-lactams and derivatives. Reaction mechanism and theoretical studiesElectronic supplementary information (ESI) available: Spectral data for compounds 4b–4m and 5b–5d and Cartesian coordinates and energies (hartrees) of zwitterionic intermediates (IZ1, IZ2, IZ3, and IZ4) and transition structures (TS1, TS2, TS3 and TS4). See http://www.rsc.org/suppdata/p1/b1/b103279h/

Eduardo Alonso; Carlos del Pozo; Javier Gonzalez

An efficient and operationally simple synthesis of tetrahydrofuran-derived spiro-β-lactams using the ketene–imine cycloaddition route is described. Also the preparation of spiro-N-sulfonyl-β-lactam derivatives, which are analogs of monobactams, is reported. As far as we know, this is the first time that an unsymmetrical cyclic ketene is used in a Staudinger-type reaction. The experimental evidence suggests the involvement of a ketene derived from the acyl chloride precursor in the reaction. High-level ab initio calculations have been performed in order to get insight into the electronic effects controlling the stereochemical outcome of the reactions.


Spanish Journal of Finance and Accounting / Revista Española de Financiación y Contabilidad | 2002

La influencia de las relaciones laborales sobre la decisión de financiación de las empresas: un análisis teórico

Eduardo Alonso

RESUMEN En este artículo se analiza la influencia de las relaciones laborales y las características del mercado de trabajo sobre la decisión de financiación de las empresas. De este nuevo enfoque se derivan varias implicaciones sobre el diseño de la estructura de capital. Primero, el interés de las empresas en favorecer las inversiones de los trabajadores en capital humano específico podría conducir a un menor empleo de la financiación con deuda. Segundo, la deuda permite a los accionistas mejorar su poder de negociación frente a los trabajadores. Por último, en el contexto del control de la discrecionalidad directiva, la deuda impide la adopción de medidas de política laboral, en cuanto a la promoción o estabilidad en el empleo de los trabajadores, que resulten incompatibles con el objetivo de creación de valor para el accionista.


Tetrahedron | 2001

Synthesis of 1,1-dioxopenicillanoyloxymethyl 6-[d-α-(benzylideneaminophenylacetamido)]penicillanate and analogs. New intermediates in the preparation of sultamicillin

Carlos del Pozo; Eduardo Alonso; Fernando López-Ortiz; Félix Fernández-Marı́; Miguel Bayod; Javier González

Abstract The synthesis of benzylidene imines of sultamicillin and analogs 1 is described. These new compounds showed high stability and were prepared under very mild conditions and high yields. Furthermore, they are convenient starting materials for the preparation of sultamicillin 5 (important prodrug of ampicillin and sulbactam) as its base form, by deprotection of the amino group with Girard reagents.


Journal of Organic Chemistry | 2001

Spiro beta-lactams as beta-turn mimetics. Design, synthesis, and NMR conformational analysis.

Eduardo Alonso; Fernando Lopez-Ortiz; Carlos del Pozo; Emma Peralta; and Alberto Macías; Javier Gonzalez


Journal of Organic Chemistry | 2004

Diastereoselective [2+2]-cycloaddition reactions of unsymmetrical cyclic ketenes with imines: Synthesis of modified prolines and theoretical study of the reaction mechanism

Alberto Macías; Eduardo Alonso; Carlos del Pozo; and Alessandro Venturini; Javier Gonzalez


Journal of Organic Chemistry | 2006

Synthesis of enantiopure pyrrolidine-derived peptidomimetics and oligo-β-peptides via nucleophilic ring-opening of β-lactams

Alberto Macías; Antonio Morán Ramallal; Eduardo Alonso; Carlos del Pozo; Javier Gonzalez


Synlett | 2002

Synthesis of α, α-disubstituted β-amino esters and peptide derivatives

Eduardo Alonso; Carlos del Pozo; Javier Gonzalez


Bioorganic & Medicinal Chemistry | 2005

N-methylthio β-lactam antibacterials : Effects of the C3/C4 ring substituents on anti-MRSA activity

Edward Turos; Cristina M. Coates; Jeung-Yeop Shim; Yang Wang; J. Michelle Leslie; Timothy E. Long; G. Suresh Kumar Reddy; Alex Ortiz; Marci Culbreath; Sonja Dickey; Daniel V. Lim; Eduardo Alonso; Javier González


European Journal of Organic Chemistry | 2004

Diastereo- and Enantioselective Synthesis of Novel β-Lactam-Containing 1,4-Benzodiazepines through a Ketene−Imine Cycloaddition Reaction

Carlos del Pozo; Alberto Macías; Fernando López-Ortiz; Miguel A. Maestro; Eduardo Alonso; Javier González


Bioorganic & Medicinal Chemistry Letters | 2006

N-Thiolated β-lactams: A new family of anti-Bacillus agents

Edward Turos; Timothy E. Long; Bart Heldreth; J. Michelle Leslie; G. Suresh Kumar Reddy; Yang Wang; Cristina M. Coates; Monika I. Konaklieva; Sonja Dickey; Daniel V. Lim; Eduardo Alonso; Javier González

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Javier Gonzalez

University of Central Florida

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Cristina M. Coates

University of South Florida

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Daniel V. Lim

University of South Florida

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Edward Turos

University of South Florida

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J. Michelle Leslie

University of South Florida

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