I'm sorry for any confusion, but "Hippocrateaceae" is not a recognized term in modern medical or scientific classification. It may be an outdated or obsolete term used in botany to refer to a family of plants, but it is not relevant to medical definition. If you have any further questions or need clarification on a different term, please let me know!

Eudesmane is a subclass of sesquiterpenes, which are organic compounds consisting of three isoprene units and having the molecular formula C15H24. Sesquiterpenes are derived from farnesyl pyrophosphate (FPP) in the mevalonate pathway and are biosynthesized through a series of enzymatic reactions.

Eudesmane sesquiterpenes are characterized by a unique carbon skeleton with a cyclohexane ring fused to a bicyclic system consisting of a cyclopentane and a cyclobutane ring. They can be found in various plants, fungi, and insects, and some eudesmane derivatives have been shown to possess biological activities such as anti-inflammatory, antimicrobial, and cytotoxic properties.

Eudesmane sesquiterpenes can exist in different forms, including alcohols, aldehydes, ketones, and esters, depending on the functional groups attached to the carbon skeleton. Some examples of eudesmane sesquiterpenes include α-eudesmol, β-eudesmol, and eudesma-1,4-diene.