Results 1 to 10 of about 7,003 (167)
Synthesis of New Polyheterocyclic Pyrrolo[3,4-b]pyridin-5-ones via an Ugi-Zhu/Cascade/Click Strategy
A diversity-oriented synthesis (DOS) of two new polyheterocyclic compounds was performed via an Ugi-Zhu/cascade (N-acylation/aza Diels-Alder cycloaddition/decarboxylation/dehydration)/click strategy, both step-by-step to optimize all involved ...
Roberto E. Blanco-Carapia +4 more
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The new polyheterocyclic compound 2-benzyl-3-morpholino-7-(thiophen-2-yl)-6-(thiophen-2-ylmethyl)-6,7-dihydro-5H-pyrrolo[3,4-b]pyridin-5-one (1) was synthesized via a one-pot process involving an Ugi-Zhu three-component reaction coupled to a cascade aza ...
Ivette Morales-Salazar +3 more
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Quinoline Derivatives: Promising Antioxidants with Neuroprotective Potential
Quinoline has been proposed as a privileged molecular framework in medicinal chemistry. Although by itself it has very few applications, its derivatives have diverse biological activities.
Luis Felipe Hernández-Ayala +2 more
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Ferrocenyl-bis-(1-(4-benzyl-5-morpholinooxazol-2-yl)-N-(4-(trifluoromethyl)benzyl)methanamine)
The new bis-heterocyclic compound ferrocenyl-bis-(1-(4-benzyl-5-morpholinooxazol-2-yl)-N-(4-(trifluoromethyl)benzyl)methanamine) (1) was synthesized in 73% overall yield in 1.5 hours via a pseudo-repetitive Ugi-Zhu five-component reaction, starting from ...
Roberto E. Blanco-Carapia +3 more
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Antecedentes y Objetivos: Los arrecifes del Parque Nacional Arrecifes de Cozumel constituyen una de las principales formaciones arrecifales de México.
Anahi Carranza Ramirez +2 more
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Biosensing Membrane Base on Ferulic Acid and Glucose Oxidase for an Amperometric Glucose Biosensor
A biosensing membrane base on ferulic acid and glucose oxidase is synthesized onto a carbon paste electrode by electropolymerization via cyclic voltammetry in aqueous media at neutral pH at a single step.
Gabriela Valdés-Ramírez, Laura Galicia
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The synthesis and characterization of three tridentate ligands for new MOFs are described. A triple aminolysis of the 1,3,5-tribenzoyl chloride with p-aminobenzoic acid gave the tricarboxylic acid 3 in 90% yield.
Julio C. Flores-Reyes +8 more
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Desde 1919 la burguesía argentina respondió a las luchas obreras con diferentes mecanismos de contención social, donde la represión tuvo un papel destacado. El presente trabajo trata de explicar los motivos, las coyunturas internas en el periodo y, desde
Rodolfo Matías Leyes
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Este artículo realiza un análisis comparado de varios enfoques que tratan la calidad de las instituciones en el sector público desde aportaciones de la ciencia política y algunas especialidades de las ciencias jurídicas.
Wilfrid Martínez-Sánchez +1 more
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En el recinto común dedicado a Apolo y Helios (Platón, Lg., 945 b-948 b)
En Leyes, 945 b-948 b, Platón introduce la figura de los eúthӯnoi o “correctores” y los relaciona directamente con el culto común de Helios y Apolo. Sostengo que, al hacer esto, el filósofo ha pretendido conectar la República y las Leyes en torno a la ...
Miguel Ángel Spinassi
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