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Synthesis of unprecedented steroidal spiro heterocycles as potential antiproliferative drugs
(Elsevier, 2018-01-01)
Herein we report the straightforward preparation of novel conformationally-restricted steroids from trans-androsterone and estrone, decorated with spiranic oxazolidin-2-one or 2-aminooxazoline motifs at C-17 as potential ...
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Chirality and catalysis with aromatic N-fused heterobicyclic carbenes
(Royal Society of Chemistry, 2016)
The benzoannulation of the most common families of aromatic NHCs, imidazol-2-ylidenes and 1,2,4-triazol-3-ylidenes, results in heterobicyclic imidazo[1,5-a]pyridin-3-ylidenes (ImPy's) and [1,2,4]triazolo[4,3-a]pyridin-3-ylidenes ...
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Synthesis of axially chiral heterobiaryl alkynes via dynamic kinetic asymmetric alkynylation
(Wiley, 2016)
The dynamic kinetic Pd0 -catalyzed alkynylation of racemic heterobiaryl sulfonates was used for the asymmetric synthesis of axially chiral heterobiaryl alkynes with a broad scope. The use of Pd(OAc)2/ (S)-QUINAP as the ...
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Exploring architectures displaying multimeric presentations of a trihydroxypiperidine iminosugar
(Beilstein-Institut Zur Forderung der Chemischen Wissenschaften, 2015)
The synthesis of new multivalent architectures based on a trihydroxypiperidine α -fucosidase inhibitor is reported herein. Tetrava- lent and nonavalent dendrimers were obtained by means of the click chemistry approach ...
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Ciclos de mejora docente en la asignatura de Química General basados en el trabajo guiado
(Universidad de Sevilla, 2018)
En esta comunicación se presentan una estrategia de mejora docente progresiva basada en los denominados Ciclos de Mejora Docente, los cuales se han realizado en una parte del temario de la asignatura “Química General” ...
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Discovery of a Potent α ‑ Galactosidase Inhibitor by in Situ Analysis of a Library of Pyrrolizidine − (Thio)urea Hybrid Molecules Generated via Click Chemistry
(American Chemical Society, 2018)
The parallel synthesis of a 26-membered-library of aromatic/aliphatic-(thio)urea-linked pyrrolizidines followed by in situ biological evaluation toward α -galactosidases has been carried out. The combination of the ...
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New tacrine dimers with antioxidant linkers as dual drugs: Anti-Alzheimer's and antiproliferative agents
(Elsevier, 2017)
We have designed a series of tacrine-based homo- and heterodimers that incorporate an antioxidant tether (selenoureido, chalcogenide) as new dual compounds: for the treatment of Alzheimer's disease and as antiproliferative ...
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Axially Chiral Triazoloisoquinolin-3-ylidene Ligands in Gold(I)-catalyzed Asymmetric Intermolecular (4 + 2) Cycloadditions of Allenamides and Dienes
(American Chemical Society, 2012)
The first highly enantioselective intermolecular (4 + 2) cycloaddition between allenes and dienes is reported. The reaction provides good yields of optically active cyclohexenes featuring diverse substitution patterns and ...
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Arylisoquinoline-derived organoboron dyes with a triaryl skeleton show dual fluorescence
(Beilstein-Institut, 2019)
Se prepararon cuatro nuevos colorantes que derivan de arilisoquinolinas boryiladas, que contienen un tercer residuo de arilo (naftilo, 4-metoxinaftilo, pirenilo o antrilo) que se une a través de un eje estereogénico ...