Síntese de 1-indanonas através da reação de acilação de Friedel-Crafts intramolecular utilizando NbCl5 como ácido de Lewis


Autoria(s): Polo,Ellen Christine; Silva-Filho,Luiz Carlos da; Silva,Gil Valdo José da; Constantino,Mauricio Gomes
Data(s)

01/01/2008

Resumo

The intramolecular Friedel-Crafts acylation reaction of 3-arylpropanoic acids to give 1-indanones can be effected in good yields under mild conditions (room temperature) by using niobium pentachloride. Our results indicate that NbCl5 acts both as reagent (to transform carboxylic acids into acyl chlorides) and as catalyst in the Friedel-Crafts cyclization.

Formato

text/html

Identificador

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422008000400010

Idioma(s)

pt

Publicador

Sociedade Brasileira de Química

Fonte

Química Nova v.31 n.4 2008

Palavras-Chave #intramolecular Friedel-Crafts acylation reaction #niobium pentachloride #synthesis of 1-indanones
Tipo

journal article