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

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...

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Detalles Bibliográficos
Autores: Santos, Willian Henrique dos [UNESP], Siqueira, Mayara de Souza [UNESP], Silva Filho, Luiz Carlos da [UNESP]
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2013
País:Brasil
Institución:Universidade Estadual Paulista (UNESP)
Repositorio:Repositório Institucional da UNESP
Idioma:portugués
OAI Identifier:oai:repositorio.unesp.br:11449/109449
Acceso en línea:http://dx.doi.org/10.1590/S0100-40422013000900005
http://hdl.handle.net/11449/109449
Access Level:acceso abierto
Palabra clave:niobium pentachloride
multicomponent reaction
coumarin derivatives
Descripción
Sumario: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.