Lanostane
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Lanostane or 4,4,14α-trimethylcholestane is a tetracyclic chemical compound with formula . It is a polycyclic hydrocarbon, specifically a triterpene. It is an isomer of cucurbitane. The name is applied to two stereoisomers, distinguished by the prefixes 5α- and 5β-, which differ by the handedness of the bonds at a particular carbon atom (number 5 in the standard steroid numbering scheme). File:5alpha-lanostane.svg|5α-Lanostane File:5beta-lanostane.svg|5β-Lanostane Replacement of a hydrogen atom attached to carbon number 3 in the 5α isomer with a hydroxyl group results in lanosterol, the biogenetic precursor of the steroids in animals.
Lanostane or 4,4,14α-trimethylcholestane is a tetracyclic chemical compound with formula . It is a polycyclic hydrocarbon, specifically a triterpene. It is an isomer of cucurbitane. The name is applied to two stereoisomers, distinguished by the prefixes 5α- and 5β-, which differ by the handedness of the bonds at a particular carbon atom (number 5 in the standard steroid numbering scheme). File:5alpha-lanostane.svg|5α-Lanostane File:5beta-lanostane.svg|5β-Lanostane Replacement of a hydrogen atom attached to carbon number 3 in the 5α isomer with a hydroxyl group results in lanosterol, the biogenetic precursor of the steroids in animals.
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Text derived from https://en.wikipedia.org/w/index.php?oldid=1188983161 under CC BY-SA 4.0; modifications have been made.