Réaction #554583

ord-54cd8deb2c9442da8c688710a38a0786

Équation de réaction

CC(CO)CCCc1ccccc1
2-Methyl-5-phenyl-pentanol
[H][H]
hydrogen
CC(CO)CCCC1CCCCC1
5-cyclohexyl-2-methyl-pentanol
Rendement 99.6%

Conditions de réaction

Conditions détaillées
See reaction.notes.procedure_details.

Traitement

  1. 1
    AutreThe catalyst was removed
  2. 2
    workup.DISTILLATIONthe product distilled

Mode opératoire

1200 g of 2-Methyl-5-phenyl-pentanol (Rosaphen™, supplier: Symrise) combined with 22 g Pd on activated carbon (Pd content: 5 wt. %) were hydrogenated at a hydrogen pressure of 50 bar and at a temperature of 120° C. After 30 hours the reaction was finished. The catalyst was removed and the product distilled. 1170 g (content: 99.6%) of 5-cyclohexyl-2-methyl-pentanol were obtained.

Source

DOI: 10.6084/m9.figshare.5104873.v1Brevet: US08623340B2uspto-grants-2014_01