A. de Cózar Group

2014

(46) Regio and diastereoselective multicomponent 1,3-dipolar cycloadditions between prolinate

       hydrochlorides, aldehydes and dipolarophiles for the direct synthesis of pyrrolizidines

       Juan Mancebo-Aracil, Carmen Nájera,* Luis M. Castelló, José M. Sansano,* Olatz Larrañaga, Abel de Cózar,

       Fernando P. Cossío

      Tetrahedron 2015, 71, 9645–9661.








(45) Resonance driven regioselective demethylation of berberine. Microwave assisted synthesis of

       berberrubine and its assessment as fluorescent chemosensor for alkanes

       Arantzazu Delgado-Camón, Carmen Jarne, Vicente L. Cebolla,* Olatz Larrañaga,  Abel de Cózar, Fernando P.

       Cossío, Yosu Vara, Andrés Domñinguez, Luis Membrado, Javier Galbán, Rosa Garriga

        Tetrahedron 2015, 71, 6148–6154.











(44) Enantioselective Synthesis of exo-4-Nitroprolinates from Nitro- alkenes and Azomethine Ylides Catalyzed by

       Chiral Phosphor- amidite·Silver(I) or Copper(II) Complexes

       Luis M. Castelló, Carmen Nájera, José M. Sansano,*  Olatz Larrañaga, Abel de Cózar, Fernando P. Cossío

      Synthesis 2015, 47, 934–943.











(43) Synthesis of Chromen[4,3-b]pyrrolidines by Intramolecular 1,3-Dipolar Cycloadditions of Azomethine

       Ylides: An Experimental and Computational Assessment of the Origin of Stereocontrol

       Paulo R. R. Costa, José M. Sansano,* Unai Cossío, Julio, C. F. Barcellos, Ayres G. Días, Carmen Nájera, Ana

       Arrieta,  Abel de Cózar, Fernando P. Cossío*

      Eur. J. Org. Chem.  2015, 4689–4698.











(42) Remote Substituent Effects on the Stereoselectivity and Organocatalytic Activity of Densely Substituted

       Unnatural Proline Esters in Aldol Reactions

       María de G. Retamosa, Abel de Cózar, Mirian Sánchez, José I. Miranda, José M. Sansano, Luis M. Castelló,

       Carmen Nájera, Ana I. Jiménez, Francisco J. Sayago, Carlos Cativiela, Fernando P. Cossío*,

       Eur. J. Org. Chem.  2015, 2503–2516.










(41) Azobenzene-functionalized iridium(III) triscyclometalated complexes

       Jorge Pérez-Miqueo, Ainara Telleira, Martín Muñoz-Olasagasti, Ainhoa Altube, Eva García-Lecina, Abel de Cózar,

       Zoraida Freixa*

      Dalton Trans. 2015, 44, 2075–2091.










(40) Synthesis of radiolabelled aryl azides from diazonium salts: experimental and computational results

        permit the identification of the preferred mechanism

        Sarmeer M. Joshi, Abel de Cózar, Vanessa Gómez-Vallejo, Jacek Koziorowski, Jordi Llop,* Fernando P. Cossío*

        Chem. Commun. 2015, 51, 8954–8957.












(39) Is it possible to achieve a complete desaturation of cycloalkanes promoted by o-benzyne?

       Francisco Cervantes-Navarro, Abel de Cózar, Fernando P. Cossío,* María A. Fernandez-Herrera, Gabriel Merino,*

       Israel Fernandez*

      Chem. Commun. 2015, 51, 5302–5305.








(38) Azobenzene-Appended Bis-Cyclometalated Iridium(III) Bipyridyl Complexes

        Ainara Telleira, Jorge Pérez-Miqueo, Ainhoa Altube, Eva García-Lecina, Abel de Cózar, Zoraida Freixa*

       Organometallics 2015, 34, 5513–5529.

     

2015

(54) Taniaphos AgF-catalyzed enantioselective 1,3-dipolar cycloaddition of stabilized azomethine ylides

       derived from 2,2-dimethoxyacetaldehyde

       Alberto Cayuelas, Olatz Larrañaga, Carmen Nájera, José M. Sansano,* Abel de Cózar, Fernando P.

       Cossío*

      Tetrahedron 2016, 72, 6043–6051.









(53) Cyclopropanation reactions catalysed by dendrimers possessing one metalloporphyrin active site at the

       core: linear and sigmoidal kinetic behaviour for different dendrimer generations

       Petr Vins, Abel de Cózar, Iván Rivilla, Katerina Novakova, Ronen Zangi, Josef Cvackz, Iosune Arrastia, Ana

       Arrieta, Pavel Drasar, José I. Miranda, Fernando P. Cossío*

        Tetrahedron 2016, 72, 1120–1131.











(52) Synthesis of Chiral Spiro-nitroprolinates by Silver(I) Catalysis

       Alberto Cayuelas, Ricardo Ortiz, Carmen Nájera, José M. Sansano,* Olatz Larrañaga, Abel de Cózar, Fernando P.

       Cossío*

      Synfacts 2016, 12, 0819.


(51) New Insights into the Reactivity of Cisplatin with Free and Restrained Nucleophiles: Microsolvation

       Effects and Base Selectivity in Cisplatin–DNA Interactions

        Abel de Cózar, Olatz Larrañaga, F. Matthias Bickelhaupt, Eider San Sebastian, Elisabeth Ortega-Carrasco, Jean

        -Didier Maréchal, Agustí Lledós, Fernando P. Cossío*

       ChemPhysChem  2016, 17, 3932–3947.









(50) Enantioselective Synthesis of Polysubstituted Spiro-nitroprolinates Mediated by a

      (R,R)‐Me-DuPhos·AgF-Catalyzed 1,3-Dipolar Cycloaddition

       Alberto Cayuelas, Ricardo Ortiz, Carmen Nájera, José M. Sansano,* Olatz Larrañaga, Abel de Cózar, Fernando P.

       Cossío*

      Org. Lett. 2016, 18, 2926–2929.









(49) Ion-Pair SN2 Substitution: Activation Strain Analyses of Counter- Ion and Solvent Effects

        Jalal Z. A. Laloo, Lydia Rhyman, Ponadurai Ramasami,* F. Matthias Bickelhaupt,* Abel de Cózar*

        Chem. Eur. J. 2016, 22, 4431–4439.









(48) Alkenyl Arenes as Dipolarophiles in Catalytic Asymmetric 1,3-Dipolar Cycloaddition Reactions of

       Azomethine Ylides

       Ana Pascual Escudero, Abel de Cózar, Fernando P. Cossío,* Javier Adrio,* Juan C. Caretero*

       Angew. Chem. Int. Ed. 2016, 55, 15334–15338.









     

(47) Donor-Stabilized 1,3-Disila-2,4-diazacyclobutadiene with a Nonbonded Si···Si Distance Compressed to a

       Si=Si Double Bond Length

       David Gau, Raphael Nougué, Nathalie Saffon-Merceron,  Antoine Baceiredo, Abel de Cózar, Fernando P. Cossío,*

       Daisuke Hashizume, Tsuyoshi Kato,*  

      Angew. Chem. Int. Ed. 2016, 55, 14673–14677.

2016

(60) Diastereoselective [3 + 2] vs [4 + 2] Cycloadditions of Nitroprolinates with α,β-Unsaturated Aldehydes and

       Electrophilic Alkenes: An Example of Total Periselectivity

       Verónica Selva, Olatz Larrañaga, Luis M. Castelló, Carmen Nájera, José M. Sansano,*  Abel de Cózar*

      J. Org. Chem. 2017, 82, 6298–6312.








(59) Asymmetric identity SN2 transition states: Nucleophilic substitution at carbon and silicon centers

       Marucs V. J. Rocha, Nicole W. G. Smits, Lando P. Wolters, Abel de Cózar, Célia Fonseca Guerra, Teodorico C.

       Ramalho, F. Matthias Bickelhaupt*

       Int. J. Mass Spectros.  2017, 413, 85–91.








(58) Intramolecular SEAr Reactions of Phosphorus Compounds: Computational Approach to the Synthesis of

       p-Extended Heterocycles

       Olatz Larrañaga, Carlos Romero-Nieto,* Abel de Cózar*

      Chem. Eur. J. 2017, 23, 17487–17496.









(57) Mono- and Di-Alkylation Processes of DNA Bases by Nitrogen Mustard Mechlorethamine

        Olatz Larrañaga, Abel de Cózar,* Fernando P. Cossío

        ChemPhysChem 2017, 17, 3390–3401.










(56) A Guide for the Design of Functional Polyaromatic Organophosphorus Materials

       Philip Hindenberg, Alicia López-Andarias, Frank Rominger, Abel de Cózar,* Carlos Romero-Nieto*

      Chem. Eur. J. 2017, 23, 13919–13928.












     

(55) Catalysis of a 1,3-dipolar reaction by distorted DNA incorporating a heterobimetallic platinum(II) and

        copper(II) complex

       Iván Rivilla, Abel de Cózar, Thomas Schäfer, Frank J. Hernandez, Alexander M. Bitner, Aitziber Eleta-Lopez, Ali

       Aboudzadeh, José I. Santos, José I. Miranda, Fernando P. Cossío,*

         Chem. Sci. 2017, 8, 7038–7046.

(65) Alkaloids Reactivity: DFT Analysis of Selective Demethylation Reactions

        Olatz Larrañaga, José I. Miranda, Fernando P. Cossío* Abel de Cózar*

       J. Org. Chem.  2018, 83, 15105–15109.









(64) Unnatural Amino Acid Ester Catalyzed Formal Synthesis of (+)-Pancracine

       María de G. Retamosa, Andrea Ruiz-Olalla, Tamra Bello, Abel de Cózar, Fernando P. Cossío*

      Synfacts 2018, 14, 0311.


(63) Cooperative Catalysis with Coupled Chiral Induction in 1,3-Dipolar Cycloadditions of Azomethine Ylides

        Alberto Cayuelas, Olatz Larrañaga, Verónica Selva, Carmen Nájera,* Takahiko Akiyama, José M. Sansano,*

        Abel de Cózar, José I. Miranda, Fernando P. Cossío*

        Chem. Eur. J. 2018, 24, 8092–8097.












(62) Ion-Pair SN2 Reaction of OH– and CH3Cl: Activation Strain Analyses of Counterion and Solvent Effects

       Jalal Z. A. Laloo, Lydia Rhyman, Olatz Larrañaga, Ponadurai Ramasami,* F. Matthias Bickelhaupt,* Abel de

      Cózar*

       Chem. Asian. J. 2018, 13, 1138–1147.








     

(61) A Three-component Enantioselective Cyclization Reaction Catalyzed by an Unnatural Amino Acid

      Derivative

       María de G. Retamosa, Andrea Ruiz-Olalla, Tamra Bello, Abel de Cózar, Fernando P. Cossío*

      Angew. Chem. Int. Ed. 2018, 57, 668–672.

(70)  Design, synthesis and amplified spontaneous emission of 1,2,5-benzothiadiazole derivatives

        Raúl Martín,* Pilar Prieto,* José R. Carrillo, Ana M. Rodríguez, Abel de Cózar, Pedro C. Boj, María A.

        Díaz-García, Manuel G Ramírez*

       J. Mat. Chem. 2019, 7, 9996–10007.










(69) Switching Diastereoselectivity in Catalytic Enantioselective (3+2) Cycloadditions of Azomethine Ylides

        Promoted by Metal Salts and Privileged Segphos-Derived Ligands

       Guilherme S. Caleffi, Olatz Larrañaga, Marcos Ferrándiz-Saperas, Paulo R. R. Costa, Carmen Nájera,*

       Abel de Cózar, Fernando P. Cossío,* José M. Sansáno*

      J. Org. Chem. 2019, 84, 10593–10605.













(68) Dismantling the Hyperconjugation of p-Conjugated Phosphorus Heterocycles

        Olatz Larrañaga, Carlos Romero-Nieto,* Abel de Cózar*

        Chem. Eur. J. 2019, 25, 9035–9044.










(67) From bioactive pyrrolidino[3,4-c]pyrrolidines to more bioactive pyrrolidino[3,4-b]pyrrolidines via

       ring-opening ring-closing promoted by sodium methoxide

       Samet Belveren, Olatz Larrañaga, Samet Poyraz, H. Ali Dondas,* Mahmut Ülger, Ertan Sahin, Marcos

       Ferrándiz-Saperas, José M. Sansano,* Abel de Cózar*

       Synthesis 2019, 51, 1565–1577.









     

(66) Effect of an α-Methyl Substituent on the Dienophile on Diels-Alder endo:exo Selectivity

       Olatz Larrañaga, Abel de Cózar*

      ChemistryOpen 2019, 8, 49-57.





2019

2017

2018