Síntese de derivados 4-aril-3,4-di-hidrocumarínicos catalisada por NbCl5


Autoria(s): Santos,Willian Henrique dos; Siqueira,Mayara de Souza; Silva-Filho,Luiz Carlos da
Data(s)

01/01/2013

Resumo

Multicomponent reactions between phenols, β-diesters and benzaldehydes for the synthesis of 4-aryl-3,4-dihydrocoumarin derivatives were carried out under mild conditions (room temperature) and presented moderate yields (38-88%) and reasonable reaction times (2-4 days), using niobium pentachloride as a catalyst.

Formato

text/html

Identificador

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422013000900005

Idioma(s)

pt

Publicador

Sociedade Brasileira de Química

Fonte

Química Nova v.36 n.9 2013

Palavras-Chave #niobium pentachloride #multicomponent reaction #coumarin derivatives
Tipo

journal article