The first total synthesis of marine sesterterpenoid ansellone G () was accomplished. This strategy utilizes the Prins cyclization reaction of a chloro-substituted homoallyl alcohol to synthesize the hydrobenzopyran skeleton. The preintroduction of the chloro groups facilitated the functional group transformation for after constructing the carbon framework. Furthermore, we also successfully synthesized phorbadione () by dehydrating the tertiary alcohol. The HIV latency-reversing activity of the synthesized , , and deacetylated was also evaluated.
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http://dx.doi.org/10.1021/acs.joc.2c02278 | DOI Listing |
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