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Fenchol
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<p>Fenchol or 1,3,3-trimethyl-2-norbornanol is a <a href="/facts/Monoterpenoid/6kFBtsXM">monoterpenoid</a> and an <a href="/facts/Isomer/PXlvDVdg">isomer</a> of <a href="/facts/Borneol/ga7HozH0">borneol</a>. It is a colorless or white solid. It occurs widely in nature. </p><p>The naturally occurring <a href="/facts/Enantiopure/wjPv5J3y">enantiomere</a> (1<i>R</i>)-endo-(+)-fenchol is used extensively in <a href="/facts/Perfumery/prN8beWz">perfumery</a>. Fenchol gives <a href="/facts/Basil/FhxUzQMH">basil</a> its characteristic scent, and comprises 15.9% of the volatile oils of some species of <a href="/facts/Aster_(genus)/JfcaSkCN"><i>Aster</i></a>. </p><p>It is <a href="/facts/Biosynthesis/aFk7Tk7f">biosynthesized</a> from <a href="/facts/Geranyl_pyrophosphate/evgr8bp7">geranyl pyrophosphate</a> via isomerization to <a href="/facts/Linalyl_alcohol/abBM1jXB">linalyl pyrophosphate</a>. </p><p>Oxidation of fenchol gives <a href="/facts/Fenchone/bmfVlKVS">fenchone</a>. </p>