O'Brien M, Cahill S, Evans LA. A diastereoselective route to 2,6-syn-disubstituted tetrahydropyrans: synthesis of the civet compound (+)-2-((2S,6S)-6-methyltetrahydro-2H-pyran-2-yl) acetic acid.
Chem Commun (Camb) 2008:5559-61. [PMID:
18997951 DOI:
10.1039/b810231g]
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Abstract
A diastereoselective synthesis of 2,6-syn-disubstituted tetrahydropyrans has been developed based on the ability of furanyl-ether chiral centres to epimerise readily under acidic conditions. This novel methodology was applied to the synthesis of (+)-2-((2S,6S)-6-methyltetrahydro-2H-pyran-2-yl) acetic acid, a component of the African civet cat's glandular marking secretion.
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