Cascade polyketide and polyene cyclizations: biomimetic total synthesis of hongoquercin B.
J Am Chem Soc
; 136(49): 17013-5, 2014 Dec 10.
Article
em En
| MEDLINE
| ID: mdl-25423048
ABSTRACT
The total synthesis of hongoquercin B was carried out in 9 steps from trans,trans-farnesyl acetate using a palladium catalyzed decarboxylative π-farnesyl rearrangement of a diketo-dioxinone ester, aromatization and cationic diene-epoxide cyclization as key steps. This cascade tetracyclization simplifies the synthesis of terpenoid resorcylate natural products.
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Base de dados:
MEDLINE
Assunto principal:
Polienos
/
Policetídeos
Idioma:
En
Ano de publicação:
2014
Tipo de documento:
Article
País de afiliação:
Reino Unido