Reaction #1960497

ord-560499e664ea49bb9a9f51cff2d506e8

Reaction equation

CCCC1CCC(C2=Cc3c(ccc(F)c3F)CC2)CC1
5,6-difluoro-3-(4-propylcyclohexyl)-1,2-dihydronaphthalene
CCCC1CCC(C2CCc3ccc(F)c(F)c3C2)CC1
7,8-difluoro-2-(4-propylcyclohexyl)-1,2,3,4-tetrahydronaphthalene

Solvents

Conditions

Detailed conditions
See reaction.notes.procedure_details.

Workup

  1. 1
    Otherare hydrogenated at RT
  2. 2
    FiltrationThe reaction solution is filtered
  3. 3
    Otherevaporated to dryness
  4. 4
    OtherThe residue is used for the following reaction without further purification

Procedure

76.0 g (0.26 mol) of 5,6-difluoro-3-(4-propylcyclohexyl)-1,2-dihydronaphthalene are hydrogenated at RT and atmospheric pressure for 19 h in 500 ml of THF in the presence of Pd/C (5% of Pd). The reaction solution is filtered and evaporated to dryness. The residue is used for the following reaction without further purification.

Source

DOI: 10.6084/m9.figshare.5104873.v1Patent: US08303844B2uspto-grants-2012_11