Enantioselective photocycloaddition mediated by chiral Brønsted acids: asymmetric synthesis of the rocaglamides.
J Am Chem Soc
; 128(24): 7754-5, 2006 Jun 21.
Article
em En
| MEDLINE
| ID: mdl-16771486
ABSTRACT
Enantioselective syntheses of methyl rocaglate and the related natural products rocaglamide and rocaglaol are outlined. The approach involves enantioselective [3 + 2] photocycloaddition promoted by chiral Brønsted acids (TADDOLs) to afford an aglain precursor followed by a ketol shift/reduction sequence to the rocaglate core.
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Base de dados:
MEDLINE
Assunto principal:
Plantas Medicinais
/
Ácidos
/
Benzofuranos
/
Meliaceae
Idioma:
En
Ano de publicação:
2006
Tipo de documento:
Article
País de afiliação:
Estados Unidos