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Preparação e caracterização de ésteres e amidas aromáticas seguindo alguns dos princípios da Química Verde

Authors: Daniel Victor Alves Rezende; Bruno Alves Rezende; Marcos Vinícius Morais de Oliveira; Claudemir Batalini;

Preparação e caracterização de ésteres e amidas aromáticas seguindo alguns dos princípios da Química Verde

Abstract

Ésteres e amidas constituem funções orgânicas clássicas em Química Orgânica. Tradicionalmente, em aulas práticas dessa disciplina, essas substâncias são preparadas utilizando ácidos inorgânicos fortes como catalisadores e sistema de aquecimento (refluxo). Este trabalho ressalta um caminho sintético alternativo e bem mais brando para a preparação de ésteres e amidas aromáticas, através do método de Schotten-Baumann, em meio aquoso básico e temperatura ambiente. Dois ésteres e três amidas aromáticas foram preparadas e caracterizadas por ponto de fusão, cromatografia em camada delgada (CCD) e espectroscopias no ultravioleta-visível (UV-VIS), no infravermelho (FTIR) e ressonância magnética nuclear de hidrogênio e de carbono (RMN1H e RMN13C). Os rendimentos reacionais observados foram de satisfatórios a bons. Esta metodologia denotou um caminho sintético econômico, pouco agressivo à natureza, seguindo alguns princípios da Química Verde.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold