Journal
ORGANIC CHEMISTRY FRONTIERS
Volume 5, Issue 20, Pages 3013-3017Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8qo00901e
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Funding
- NSFC [21472079, 21402153, 21572088]
- Fundamental Research Funds for the Central Universities [lzujbky-2017-91]
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An enantioselective total synthesis of the natural chroman-sesquiterpenoid (-)-8-epi-chromazonarol has been accomplished by a unique N2H4H2O promoted highly diastereo-selective oxa-Michael cyclization to construct the central chroman framework and assemble the unusual C8 stereocenter. The other salient feature of the reported synthesis involves a Stille carbonylative cross-coupling reaction to link the aryl stannane 9 and bicyclic triflate 10.
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