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Ramírez, Javier A. – DQO
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logo

+54-11-528-58547

secret@qo.fcen.uba.ar

Ciudad Universitaria

Pabellón II

8.30 a 16.00

Lunes a Viernes


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logo

(+54 11) 4576-3346

info@qo.fcen.uba.ar

Ciudad Universitaria

Pabellón II

08:30 a 17:00 hs

Lunes a Viernes


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Ramírez, Javier A.

Doctor en Ciencias Químicas

DIVERSIDAD QUÍMICA CON EJE EN ESTEROIDES COMO ESTRUCTURAS PRIVILEGIADAS. APLICACIÓN DE REACCIONES MULTICOMPONENTES.

Los esteroides constituyen una familia de compuestos ampliamente distribuidos en la Naturaleza. En las últimas décadas se ha avanzado enormemente en el conocimiento sobre su rol biológico. La comparación de los genomas de vertebrados, invertebrados, vegetales y levaduras muestran que los esteroides son cruciales para todos los procesos vitales en eucariotas, y que su biosíntesis, metabolismo y efectos fisiológicos, pese a las diferencias entre phyla, muestran características comunes. Es por esto que el núcleo tetracíclico común a todos los esteroides se considera como una estructura privilegiada para la búsqueda de compuestos con actividades biológicas novedosas.

Uno de los desafíos más importantes de la química orgánica de síntesis de esteroides es el desarrollo de metodologías capaces de proveer familias de compuestos, con alta diversidad estructural, y útiles en la búsqueda de nuevas sustancias bioactivas. Entre las estrategias más importantes desarrolladas para generar diversidad estructural se encuentra la aplicación de reacciones multicomponente (RMC), que permiten la síntesis rápida de compuestos complejo, por lo que las RMC se han convertido en una herramienta clave en el área del descubrimiento de nuevas drogas. En nuestro grupo de trabajo, especializado en química sintética de esteroides, estamos trabajando desde hace varios años en un programa dirigido a la obtención por medio de esta metodología sintética de esteroides con potencial actividad biológica en sistemas modelos seleccionados

CHEMICAL DIVERSITY FOCUSED ON STEROIDS AS PRIVILEGED STRUCTURES. APPLICATION OF MULTICOMPONENT REACTIONS.

Steroids are extensively distributed in Nature. In the last decades there have been enormous advances in the knowledge of their biological roles. Comparison of the genomes of vertebrates, invertebrates, plants and yeasts show that steroids are crucial for all of the vital processes in eukaryotes, and that their biosynthesis, metabolism and physiological effects, despite the differences between phyla, show common patterns. These facts render the tetracyclic nucleus, common to all steroids, a privileged structure for searching new synthetic compounds with novel biological activities.

One of the most important challenges in the synthetic chemistry of steroids is the development of methodologies capable of providing families of compounds with high structural diversity as source of new bioactive entities. Among the most important strategies developed to generate such diversity arise the application of multicomponent reactions (MCRs), which allow the rapid synthesis of complex compounds; thus MCRs have become a key tool in the drug discovery process. Our work group, specialized in synthetic steroid chemistry, has been working for several years on a program aimed at obtaining new compounds with potential biological activity in selected model systems by using MCRs as key steps.

INTEGRANTES:

Javier A. Ramírez. Docente – Investigador FCEN – Investigador CONICET
Andrea C. Bruttomesso. Docente – Investigadora FCEN.
Gabriel F. Gola. Docente – Investigador FCEN.
Javier Eiras. Docente – Investigador FCEN. Tesista Doctoral DQO
Leandro J. Trupp. Becario CONICET. Docente FCEN. Tesista Doctoral DQO.
María Belén Vecchione. Becaria CONICET. Docente FCEN. Tesista Doctoral DQB. Investigación en colaboración con el Instituto de Investigaciones Biomedicas en Retrovirus y SIDA (INBIRS).
Cecilia I. Attorresi. Becaria CONICET. Docente FCEN. Tesista Doctoral DQO.
Mariana Vardé. Docente FCEN. Estudiante Licenciatura en Cs. Químicas.
Agustín Galilea. Estudiante Licenciatura en Cs. Químicas.
Jazmín Glustein. Estudiante Licenciatura en Cs. Químicas.
Agustín Alvarado. Investigación en colaboración con la Comisión Nacional de Energía Atómica (CONEA).
Mariana S. Antonietti. Becaria CONICET. Tesista Doctoral FBMC. Investigación en colaboración con el Instituto de Investigaciones Bioquimicas de Buenos Aires (IIBBA).

 


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