Perfluorocyclopentene → 1,1,2,2,3,3,4,5-Octafluorocyclopentane

HRID 1457427Notes

Reaction equation

HRID 1457427 reaction equation
[F:1][C:2]1([F:13])[C:6]([F:7])=[C:5]([F:8])[C:4]([F:10])([F:9])[C:3]1([F:12])[F:11]>[Pd]>[F:8][CH:5]1[C:4]([F:9])([F:10])[C:3]([F:11])([F:12])[C:2]([F:1])([F:13])[CH:6]1[F:7]

Participants

3

Reactant 1

HCID 11212Perfluorocyclopentene

Product 1

HCID 27784261,1,2,2,3,3,4,5-OctafluorocyclopentaneYield 99%

Reagents, catalysts & solvents 1

HCID 23938PalladiumCatalyst

Procedure

Then a reactor was charged with 12 g of the octafluorocyclopentene and 0.24 g of a 5%-palladium/carbon catalyst and hydrogenation was conducted at a temperature of 50° C. and a hydrogenation pressure of 6 kg/cm2. When the absorption of hydrogen ceased, the reaction was completed. After the removal of the catalyst and the produced hydrogen fluoride from the reaction mixture, the reaction mixture was distilled to give 9 g of 1,2,3,3,4,4,5,5-octafluorocyclopentane (b.p., 79° C.; purity, 99%).

Workup

  1. customwas conducted at a temperature of 50° C.
  2. customWhen the absorption of hydrogen
  3. customAfter the removal of the catalyst
  4. distillationthe produced hydrogen fluoride from the reaction mixture, the reaction mixture was distilled

Sources & evidence

ORD record
ord-584f96472ccb4403bff642ff424fa547
Source dataset
uspto-grants-1998_12
Patent number
US05847243

Reaction notes

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