Procede de preparation de longifolene et de caryophyllene et de derives de ces composes

Caryophyllene and longifolene isomerisation and polymerisation - to give perfumes, glues and adhesives

  • Inventors:
  • Assignees: Inst Du Pin
  • Publication Date: May 13, 1977
  • Publication Number: FR-2327975-A1


Caryophyllene (I) and longifolene (II) and their mixts. are isomerised and polymerised at -20 degrees to +70 degrees C by contact with a Friedel-crafts catalyst or a Ziegler catalyst. Prods. may be used in perfumery, glues and adhesives. In the example, caryophyllene (99% pure) in toluene was treated with AlCl3. The prod. was treated with HCl, washed, and the solvent evapd., Distn. gave clovene and 80% of a polymer, mol. wt. 510.




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    CN-102952643-AMarch 06, 2013梧州市松桦化学品有限公司Longifolene perfume material and preparation method thereof
    US-7132582-B2November 07, 2006Council Of Scientific And Industrial ResearchCatalytic process for the preparation of isolongifolene
    WO-2004106270-A1December 09, 2004Council Of Scientific And Industrial ResearchProcessus catalytique destine a la preparation d'isolongifolene