How is Prostan-1-oic acid, 16,16-difluoro-11-hydroxy-9,15-dioxo-, (11α)- (CAS: 136790-76-6) typically synthesized?

Prostan-1-oic acid, 16,16-difluoro-11-hydroxy-9,15-dioxo-, (11α)- is often synthesized through a multi-step organic reaction involving the introduction of fluorine atoms and subsequent ring oxidation. The synthesis typically requires the use of fluorinating agents and oxidizing reagents. The method involves the protection of the hydroxyl group, followed by fluorination and oxidation steps to achieve the desired product. The exact conditions and reagents can vary based on the specific synthetic route chosen.