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Tandem Allylboration-Prins Reaction for the Rapid Construction of Substituted Tetrahydropyrans: Application to the Total Synthesis of (-)-Clavosolide?A.


ABSTRACT: Tetrahydropyrans are common motifs in natural products and have now been constructed with high stereocontrol through a three-component allylboration-Prins reaction sequence. This methodology has been applied to a concise (13?steps) and efficient (14?% overall yield) synthesis of the macrolide (-)-clavosolide A. The synthesis also features an early stage glycosidation reaction to introduce the xylose moiety and a lithiation-borylation reaction to attach the cyclopropyl-containing side chain.

PROVIDER: S-EPMC4755224 | BioStudies |

REPOSITORIES: biostudies

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