An efficient one-pot synthesis of functionalized chromeno[4,3-b]pyridine derivatives under catalyst-free conditions.
Mol Divers
; 21(2): 293-304, 2017 May.
Article
em En
| MEDLINE
| ID: mdl-28144767
ABSTRACT
A concise, efficient one-pot synthesis of functionalized chromeno[4,3-b]pyridine derivatives via a three-component reaction of 4-oxo-4H-chromene-3-carbaldehydes, malononitrile or cyanoacetates, and aromatic amines under catalyst-free conditions in an environmentally friendly medium (ethanol-water, 31 v/v) is described. This synthesis involves a group-assisted purification process, which avoids traditional recrystallization and chromatographic purification methods.
Palavras-chave
Texto completo:
1
Bases de dados:
MEDLINE
Assunto principal:
Piridinas
Idioma:
En
Revista:
Mol Divers
Assunto da revista:
BIOLOGIA MOLECULAR
Ano de publicação:
2017
Tipo de documento:
Article