Dichlorodifluoromethane → 4-Bromo-2,2,4,5,5-pentafluoro-1,3-dioxolane

HRID 483660

Reaction equation

HRID 483660 reaction equation
ClC(Cl)(F)F.F[O:7][C:8]([O:11]F)([F:10])[F:9].[Br:13][C:14]([F:18])=[C:15]([F:17])[F:16]>N#N>[Br:13][C:14]1([F:18])[C:15]([F:17])([F:16])[O:11][C:8]([F:10])([F:9])[O:7]1

Participants

5

Reactant 3

HCID 6391DichlorodifluoromethaneHCID 117301-Bromo-1,2,2-trifluoroetheneHCID 140054Bis(fluoroxy)perfluoromethane

Product 1

HCID 197454104-Bromo-2,2,4,5,5-pentafluoro-1,3-dioxolane

Reagents, catalysts & solvents 1

HCID 947NitrogenSolvent

Conditions

Temperature
-70 °C

Procedure

Into a multineck glass reactor equipped with: magnetic entrainment mechanical stirrer, reflux cooler, thermocouple, inner plunging pipes for introducing the reagents, and maintained at a temperature of -70° C., there were simultaneously fed--after having introduced 75 ml of dichlorodifluoromethane--0.75 l of bis(fluoroxy)difluoromethane at a flowrate of 0.375 l/h diluted with N2 (0.5 l/h) and bromotrifluoroethylene (5.4 g/h) for 2 hours.

Workup

  1. customInto a multineck glass reactor equipped with: magnetic entrainment mechanical stirrer
  2. temperaturereflux cooler
  3. additionthermocouple, inner plunging pipes for introducing the reagents

Sources & evidence

ORD record
ord-6836a1b108ea495ebd618e95c9b17ff5
Source dataset
uspto-grants-1993_07
Patent number
US05225576

Linked notes

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