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Cucurbitane
Cucurbitane is a tetracyclic chemical compound with formula C
30H
54. It is a polycyclic hydrocarbon, specifically triterpene. It is also an isomer of lanostane (specifically 19(10→9β)-abeolanostane), from which it differs by the formal shift of a methyl group (carbon number 19) from the 10 to the 9β position in the standard steroid numbering scheme.
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).
Cucurbitane is the core chemical structure of a class of derivatives known as cucurbitane-type triterpenoids or simply as cucurbitanes.
Compounds with the basic cucurbitane skeleton are found in many plants, and some are important phytopharmaceuticals. Natural cucurbitane-related compounds include:
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Cucurbitane
Cucurbitane is a tetracyclic chemical compound with formula C
30H
54. It is a polycyclic hydrocarbon, specifically triterpene. It is also an isomer of lanostane (specifically 19(10→9β)-abeolanostane), from which it differs by the formal shift of a methyl group (carbon number 19) from the 10 to the 9β position in the standard steroid numbering scheme.
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).
Cucurbitane is the core chemical structure of a class of derivatives known as cucurbitane-type triterpenoids or simply as cucurbitanes.
Compounds with the basic cucurbitane skeleton are found in many plants, and some are important phytopharmaceuticals. Natural cucurbitane-related compounds include: