Investigative didactic sequence for the teaching of electrochemistry addressing the disposal of batteries

Autor: Cordeiro Cavalcante de Oliveira Marcela, Rufino de Freitas Filho João, Rodrigues de Souza Sandra, Mendes da Silva Ivoneide, Luís Silva de Araújo Arthur, Silva de Freitas Katia Cristina

Publikováno v: Chemistry Teacher International, Vol 6, Iss 2, Pp 107-120 (2023)

Electrochemistry is an essential context for understanding current energetic technological processes, especially those that use batteries. On the other hand, it is one of the most neglected subjects in the classroom for reasons of associated complexi

Externí odkaz: https://doaj.org/article/f8fb95509cf54aa4b3d80edf46c96960

A CONVENIENT SYNTHESIS AND CYTOTOXIC ACTIVITY OF 3-ARYL-5-PENTYL-1,2,4-OXADIAZOLES FROM CARBOXYLIC ACID ESTERS AND ARYLAMIDOXIMES UNDER SOLVENT-FREE CONDITIONS

Autor: PIMENTEL BARROS, CARLOS JONNATAN, CARDOSO DE SOUZA, ZILYANE, RUFINO DE FREITAS, JUCLEITON JOSÉ, NORBERTO DA SILVA, PAULO BRUNO, GADELHA MILITÃO, GARDENIA CARMEN, GONÇALVES DA SILVA, TERESINHA, RUFINO FREITAS, JULIANO CARLO, RUFINO DE FREITAS FILHO, JOÃO

Publikováno v: Journal of the Chilean Chemical Society v.59 n.1 2014
SciELO Chile
CONICYT Chile
instacron:CONICYT
Journal of the Chilean Chemical Society, Volume: 59, Issue: 1, Pages: 2359-2362, Published: MAR 2014

The synthesis of 3-aryl-5-pentyl-1,2,4-oxadiazoles from carboxylic acid esters and arylamidoximes in the presence of potassium carbonate is described. The reaction was carried out in a microwave oven without any solvent in much shorter time and in go

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::03c8369bfaecde2fd81ed318ba875886
http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072014000100024