diterpenes

diterpenes
Hydrocarbons or their derivatives containing four isoprene units, hence containing 20 carbon atoms and four branched methyl groups; e.g., vitamin A, retinene, aconitine.

Medical dictionary. 2011.

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  • Diterpènes — Diterpène Diterpène (C20H32) : ce type de molécule a comme origine les produits cristallins des résines et des latex, du suint. Sur le plan chimique, ces molécules sont classées comme alcool. Dans la nature, les molécules de diterpènes sont… …   Wikipédia en Français

  • Diterpene — Diterpenes are a type of terpenes composed of four isoprene units. They derive from geranylgeranyl pyrophosphate. Diterpenes form the basis for biologically important compounds such as retinol, retinal, and phytol. They are known to be… …   Wikipedia

  • isoprenoid — /uy seuh pree noyd/, adj. Chem. pertaining to, derived from, or similar to isoprene. [1955 60; ISOPRENE + OID] * * * or terpene Class of organic compounds made up of two or more structural units derived from isoprene. Isoprene is a five carbon… …   Universalium

  • Terpene — Many terpenes are derived commercially from conifer resins, such as those made by this pine. Terpenes (  / …   Wikipedia

  • Clerodane diterpene — A clerodane diterpene (or clerodane diterpenoid) is a compound terpene derivative, more precisely a bicyclic diterpenoid. It is rather a rare form of diterpenoid and is structurally related to the bicyclic diterpenoids labdane and ginkgolide. Its …   Wikipedia

  • Coffee — This article is about the beverage. For the bean it is made from, see Coffee bean. For other uses, see Coffee (disambiguation). Coffee A cup of black coffee Type Hot Country of origin …   Wikipedia

  • Herkinorin — drugbox IUPAC name = (2S,4aR,6aR,7R,9S,10aS,10bR) 9 (Benzoyloxy) 2 (3 furanyl)dodecahydro 6a,10b dimethyl 4,10 dioxo 2H naphtho [2,1 c] pyran 7 carboxylic acid methyl ester width = 200 CAS number = synonyms = Herkinorin ATC prefix = ATC suffix =… …   Wikipedia

  • Salvia divinorum — Salvia divinorum …   Wikipedia

  • Diterpène — Les diterpènes sont un type de terpènes constitué de quatre unités d isoprène. Il dérivent du phyrophophate de géranylgéranyle (en). Les diterpènes sont à la base d un catégorie de molécules de grande importance biologique, telles que le… …   Wikipédia en Français

  • Passerine hérissée — Passerine hirsute …   Wikipédia en Français

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