Catalytic [4+2] cyclization of α,ß-unsaturated acyl chlorides with 3-alkylenyloxindoles: highly diastereo- and enantioselective synthesis of spirocarbocyclic oxindoles.
Angew Chem Int Ed Engl
; 52(2): 585-8, 2013 Jan 07.
Article
em En
| MEDLINE
| ID: mdl-23150385
ABSTRACT
Cinchona alkaloids were used as Lewis base catalysts in the title reaction. The [4+2] cyclization of α,ß-unsaturated acyl chlorides with electron-deficient alkenes derived from oxindole gave the corresponding spirocarbocyclic oxindoles.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Compostos de Espiro
/
Hidrocarbonetos Halogenados
/
Indóis
Idioma:
En
Revista:
Angew Chem Int Ed Engl
Ano de publicação:
2013
Tipo de documento:
Article
País de afiliação:
China