Tag Archives: Organocatalysis

HOCA (aza-Henry reaction) in The 24th International Electronic Conference on Synthetic Organic Chemistry (Nov 2020)

Asymmetric aza-Henry reaction of hydrazones I. G. Sonsona, J. V. Alegre-Requena,* E. Marqués-López, M. C. Gimeno, R. P. Herrera* 10.3390/ecsoc-24-08411 (registering DOI) Abstract: In this work, the enantioselective organocatalyzed addition of nitroalkanes to N-benzoyl hydrazones has been developed for the … Continue reading

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Overview on asymmetric fluorination reactions by means of ORGANOCATALYSIS

Asymmetric Fluorination Reactions Promoted by Chiral Hydrogen‐Bonding‐Based Organocatalysts, Auria-Luna, F.; Mohammadi, S.; Divar, M.; Gimeno, M. C.; Herrera, R. P. Adv. Synth. Catal. 2020, https://doi.org/10.1002/adsc.202000848 VIP Abstract. Fluorinated compounds can exhibit interesting biological properties. The importance of these species has made … Continue reading

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HOCA initiation in DNA binding studies of compounds obtained through green methods

Ultrasound-assisted multicomponent synthesis of 4H-pyrans in water and DNA binding studies, Auria-Luna, F.; Fernández-Moreira, V.; Marqués-López, E.; Gimeno, M. C.; Herrera, R. P. Sci. Rep. 2020 , 10, 11594. https://doi.org/10.1038/s41598-020-68076-1 Abstract. A simple approach to synthesize new highly substituted 4H-pyran … Continue reading

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Synthesis of optically active warfarin by using an aromatic amine

First aromatic amine organocatalysed activation of α,β-unsaturated ketones, Sonsona, I. G.; Marqués-López, E.; Gimeno, M. C.; Herrera, R. P. New J. Chem. 2019, 43, 12233-12240. DOI: 10.1039/c9nj02392e. Abstract. This work provides an unprecedented example of a chiral aromatic amine used to … Continue reading

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Fer participated in the II Doctoral Conference of the Organic Chemistry Doctoral Program of the UZ

Last monday, may 27th, Fer presented very successfully, the most recent results of his PhD projects in the II Jornada Doctoral, celebrated in the Faculty of Sciences of our University. Congratulations!

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Luca and Raquel: old friends together after 15 years!

Last Friday, March 8th, Dr. Luca Bernardi (University of Bologna) visited Zaragoza and gave us a wonderful talk as a present, about “Asymmetric Organocatalysis: Principles and Applications“. Thanks a lot, Luca!

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Synergistic catalysis as well as synergistic teamwork

Proline bulky substituents consecutively act as steric hindrances and directing groups in a Michael/Conia-ene cascade reaction under synergistic catalysis, Putatunda, S.; Alegre-Requena, J. V.; Meazza, M.; Franc, M.; Rohaľová, D.; Vemuri, P.; Císařová, I.; Herrera, R. P.; Rios, R.; Veselý, … Continue reading

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The young chemists and physicists of Aragon told us yesterday their work in the Faculty of Sciences

The 8th Young Aragonese Researchers Meeting took place yesterday (November 22th) in the Faculty of Sciences (Zaragoza). 8ª Jornada de Jóvenes Investigadores (Química y Física) de Aragón. (8ª JJIQFA) Isaac, Anabel and Fernando successfully presented part of their Doctoral Thesis work. Congratulations! … Continue reading

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One more year, Chemistry and Young people have had an appointment; this time in the beautiful city of Toledo

Our guys attended last week (5-8 NOVEMBER 2018) the last Young Research Symposium of the Spanish Chemistry Society, celebrated in Toledo. XV SIMPOSIO DE INVESTIGADORES JÓVENES DE LA REAL SOCIEDAD ESPAÑOLA DE QUÍMICA. REAL SOCIEDAD ESPAÑOLA DE QUÍMICA-SIGMA ALDRICH (MERCK) They … Continue reading

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Urea Activation by an External Brønsted Acid: Breaking Self-Association and Tuning Catalytic Performance

Urea Activation by an External Brønsted Acid: Breaking Self-Association and Tuning Catalytic Performance Isaac G. Sonsona, Eugenia Marqués-López, Marleen Häring, David Díaz Díaz  and Raquel P. Herrera Catalysts 2018, 8(8), 305; https://doi.org/10.3390/catal8080305 Abstract: In this work, we hypothesize that Brønsted acids can activate urea-based catalysts by diminishing its … Continue reading

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