Título:
Novel green and more efficient reaction for the synthesis of aromatic hydrazides
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Autor:
Galeazzi, L.
Torres, J.
Brovetto, M.
Torres, J.
Brovetto, M.
Tutor:
Tipo de documento:
Póster
Editor:
Palabras clave:
HIDRAZIDAS AROMATICAS
COMPUESTOS DE COORDINACION DE LANTANIDOS
COMPUESTOS DE COORDINACION DE LANTANIDOS
Descriptores:
Año de publicación:
2022
Contenido:
Resumen:
Development of new lanthanide-based sensors depends on the rational design of ligands containing multiple
coordination sites and planar π-delocalized systems for light reception.[1] In this work we present a novel,
one-step reaction for the synthesis of aromatic hydrazides, precursors in the synthesis of the final organic
ligands designed for the coordination with the lanthanide ions. The synthetic strategy implicates the reaction
between a naphtoic carboxylic acid (among others) and hydrazine monohydrate, using 1,1'-
carbonyldiimidazole (CDI) as coupling agent and THF as solvent.[2] We also add 4-dimethylaminopyridine
(DMAP) and N,N’-diisopropylethylamine (DIPEA) as bases (Figure 1). The reaction is completed at room
temperature overnight. This is a non-reported alternative to the classical two-step approach, which includes
the preparation of the desired hydrazide from its corresponding carboxylic acid; which is first esterificated
and subsequently treated with hydrazine monohydrate, taking up to 24 hours of reflux conditions for each
reaction.[3]
Descripción:
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Editorial:
Sociedade Brasileira de Química
EN:
18th BMOS. Brazilian Meeting on Organic Synthesis. Tiradentes, 17-21 de octubre, 2022
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Citación:
Galeazzi, L, Torres, J y Brovetto, M. Novel green and more efficient reaction for the synthesis of aromatic hydrazides. 18th BMOS. Brazilian Meeting on Organic Synthesis. Tiradentes. 17-21 de octubre, 2022.1 p.
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Licencia:
Licencia Creative Commons Atribución - No Comercial - Sin Derivadas (CC - By-NC-ND 4.0)
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| Ficheros | Descripción | Tamaño | Formato | ||
|---|---|---|---|---|---|
| Abstract 18th BMOS Lucía Galeazzi.pdf | — | 364.45 KB | Adobe PDF |