PREPARAÇÃO DE 1,2,4-OXADIAZOL: SEQUÊNCIA DIDÁTICA APLICADA EM DISCIPLINA DE SÍNTESE ORGÂNICA NA GRADUAÇÃO

AUTOR(ES)

Regueira, Juliana L. L. Freire, Freitas, Jucleiton J. R. de, Freitas Filho, João R. de

FONTE

Quím. Nova

DATA DE PUBLICAÇÃO

2016-09

RESUMO

1,2,4-oxadiazoles are used in a wide range of applications, including medicinal chemistry and chemistry of materials. However, this kind of oxadiazoles is not usually prepared in an undergraduate organic teaching laboratory. This work describes a didactic sequence for the preparation of 1,2,4-oxadiazols, mediated by microwave irradiation, employing home-use microwave oven. For the development of this practice, one lecture and one laboratory session were used. At the end of this session, a questionnaire was applied to evaluate the didactic sequence. The conclusion was that this approach can be used for the preparation of 1,2,4-oxadiazoles as a pedagogical practice to make the process of teaching easier and enjoyable.

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