Total Synthesis of Dinorsesquiterpenoid Oxyphyllin A/Belchinoid A.
Chem Pharm Bull (Tokyo)
; 72(7): 689-692, 2024.
Article
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| MEDLINE
| ID: mdl-39048374
ABSTRACT
Here, we report the first synthesis of oxyphyllin A/belchinoid A, a 7,9-seco-8,12-dinor-guaiane sesquiterpene whose isolation was reported independently by two groups in 2023. This synthesis utilizes a key sequential sulfone-mediated intermolecular alkylation/5-endo-tet cyclization reaction to establish the C1, C4, C5 stereocenters. Subsequent transformations, including regio- and stereoselective hydride addition-based desulfonylation via a π-allyl palladium complex and the Wittig reaction with a stable phosphonium ylide, facilitated the synthesis of oxyphyllin A/belchinoid A.
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Base de datos:
MEDLINE
Asunto principal:
Sesquiterpenos
Idioma:
En
Revista:
Chem Pharm Bull (Tokyo)
Año:
2024
Tipo del documento:
Article