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1. WO2006055749 - PROCESS FOR PRODUCTION OF 1,2,2,2-TETRAFLUORO ETHYL DIFLUORO METHYL ETHER

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Publication Number WO/2006/055749
Publication Date 26.05.2006
International Application No. PCT/US2005/041754
International Filing Date 17.11.2005
IPC
C07C 41/22 2006.1
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
41Preparation of ethers; Preparation of compounds having groups, groups or groups
01Preparation of ethers
18by reactions not forming ether-oxygen bonds
22by introduction of halogen; by substitution of halogen atoms by other halogen atoms
CPC
C07C 41/18
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
41Preparation of ethers; Preparation of compounds having groups, groups or groups
01Preparation of ethers
18by reactions not forming ether-oxygen bonds
C07C 41/22
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
41Preparation of ethers; Preparation of compounds having groups, groups or groups
01Preparation of ethers
18by reactions not forming ether-oxygen bonds
22by introduction of halogens; by substitution of halogen atoms by other halogen atoms
Applicants
  • MINRAD INC. [US]/[US] (AllExceptUS)
Inventors
  • TERRELL, Ross, C
  • LEVINSON, Joshua, A.
Agents
  • LINIHAN, Martin, G.
Priority Data
60/628,70817.11.2004US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) PROCESS FOR PRODUCTION OF 1,2,2,2-TETRAFLUORO ETHYL DIFLUORO METHYL ETHER
(FR) PROCEDE POUR LA FABRICATION DE L’OXYDE DE 1,2,2,2-TETRAFLUOROETHYLE ET DE DIFLUOROMETHYLE
Abstract
(EN) A method for the preparation of 1,2,2,2-tetrafluoroethyl difluoromethyl ether (CF3CHFOCHF2, Deflurane) is provided, which comprises reacting CF3CHCIOCHF2 (isoflurane) and hydrogen fluoride in the presence of antimony pentafluoride such that deflurane is formed.
(FR) L’invention décrit un procédé pour la fabrication de l’oxyde de 1,2,2,2-tétrafluoroéthyle et de difluorométhyle (CF3CHFOCHF2, Deflurane) qui comprend la mise en réaction de CF3CHCIOCHF2 (isoflurane) et de fluorure d’hydrogène en présence de pentafluorure d’antimoine de sorte à former le Deflurane.
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