Sesquiterpene - Bicyclic

Bicyclic

In addition to common six-membered rings such as in the cadinenes, one classic bicyclic sesquiterpene is caryophyllene, from the oil of cloves, which has a nine-membered ring and cyclobutane ring. Additional unsaturation provides aromatic bicyclic sesquiterpenoids such as vetivazulene and guaiazulene.

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Other articles related to "bicyclic":

Hajos–Parrish–Eder–Sauer–Wiechert Reaction
... equation - leading to the optically active bicyclic ketol as well as the Eder-Sauer-Wiechert modification leading to the optically active enedione through the loss of water from ... isolate the optically active intermediate bicyclic ketol ... Hence, they could not isolate the Hajos, Parrish intermediate bicyclic ketol but instead the condensation product (7aS)-7a-methyl-2,3,6,7-tetrahdroindol-1,5-dione through the loss of water ...
Bicyclic Semigroup - Properties
... The bicyclic semigroup has the property that the image of any morphism φ from B to another semigroup S is either cyclic, or it is an isomorphic ... In practice, this means that the bicyclic semigroup can be found in many different contexts ... (for every x there is a y such that x y x = x), the bicyclic semigroup is an inverse semigroup ...
Bicyclic Monoterpenes
... Geranyl pyrophosphate can also undergo two sequential cyclization reactions to form bicyclic monoterpenes, such as pinene which is the primary constituent of pine resin ... Other bicyclic monoterpenes include carene, sabinene, camphene, and thujene ... Camphor, borneol and eucalyptol are examples of bicyclic monoterpenoids containing ketone, alcohol, and ether functional groups, respectively ...
Wieland–Miescher Ketone
... The Wieland–Miescher ketone is a racemic bicyclic diketone (enedione) and is a versatile synthon which has so far been employed in the total synthesis of more ... of the above pictured optically active intermediate bicyclic ketol (in parentheses) has also been described, because they worked at ambient temperature in anhydrous dimethylformamide (DMF) solvent ... in DMSO solvent does not allow isolation of the bicyclic ketol intermediate, it leads directly to the optically active bicyclic dione ...