BR9401152A - Processo para a preparação de éteres dimetílicos fluoretados - Google Patents

Processo para a preparação de éteres dimetílicos fluoretados

Info

Publication number
BR9401152A
BR9401152A BR9401152A BR9401152A BR9401152A BR 9401152 A BR9401152 A BR 9401152A BR 9401152 A BR9401152 A BR 9401152A BR 9401152 A BR9401152 A BR 9401152A BR 9401152 A BR9401152 A BR 9401152A
Authority
BR
Brazil
Prior art keywords
preparation
dimethyl ethers
fluorinated dimethyl
fluorinated
ethers
Prior art date
Application number
BR9401152A
Other languages
English (en)
Portuguese (pt)
Inventor
Gerald J O'neill
Robert J Bulka
Original Assignee
Hampshire Chemical Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/025,009 external-priority patent/US5278342A/en
Application filed by Hampshire Chemical Corp filed Critical Hampshire Chemical Corp
Publication of BR9401152A publication Critical patent/BR9401152A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01—Preparation of ethers
    • C07C41/18—Preparation of ethers by reactions not forming ether-oxygen bonds
    • C07C41/22—Preparation of ethers by reactions not forming ether-oxygen bonds by introduction of halogens; by substitution of halogen atoms by other halogen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C43/00—Ethers; Compounds having groups, groups or groups
    • C07C43/02—Ethers
    • C07C43/03—Ethers having all ether-oxygen atoms bound to acyclic carbon atoms
    • C07C43/04—Saturated ethers
    • C07C43/12—Saturated ethers containing halogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR9401152A 1993-03-15 1994-03-15 Processo para a preparação de éteres dimetílicos fluoretados BR9401152A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/025,009 US5278342A (en) 1992-03-25 1993-03-15 Vapor phase chlorination of difluoromethyl methyl ether

Publications (1)

Publication Number Publication Date
BR9401152A true BR9401152A (pt) 1994-11-01

Family

ID=21823552

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9401152A BR9401152A (pt) 1993-03-15 1994-03-15 Processo para a preparação de éteres dimetílicos fluoretados

Country Status (8)

Country Link
JP (1) JPH06298693A (OSRAM)
KR (1) KR100285073B1 (OSRAM)
CN (1) CN1054115C (OSRAM)
AU (1) AU669604B2 (OSRAM)
BR (1) BR9401152A (OSRAM)
CA (1) CA2118828A1 (OSRAM)
MY (1) MY110487A (OSRAM)
TW (1) TW252973B (OSRAM)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018123649A1 (ja) * 2016-12-29 2018-07-05 セントラル硝子株式会社 １，２，２，２－テトラフルオロエチルジフルオロメチルエーテル（デスフルラン）の製造方法
JP6886104B2 (ja) 2016-12-29 2021-06-16 セントラル硝子株式会社 ハロゲン化α−フルオロエーテル類の製造方法
US10683252B2 (en) 2016-12-29 2020-06-16 Central Glass Company, Limited Production method for 1,2,2,2-tetrafluoroethyl difluoromethyl ether (desflurane)
JP6974718B2 (ja) * 2017-01-13 2021-12-01 セントラル硝子株式会社 １，２，２，２−テトラフルオロエチルジフルオロメチルエーテル（デスフルラン）の製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA917855B (en) * 1990-10-02 1993-03-31 Grace W R & Co Synthesis of fluorinated dimethyl ethers

Also Published As

Publication number Publication date
CN1100711A (zh) 1995-03-29
KR940021492A (ko) 1994-10-19
MY110487A (en) 1998-08-29
TW252973B (OSRAM) 1995-08-01
JPH06298693A (ja) 1994-10-25
AU5777894A (en) 1994-09-22
AU669604B2 (en) 1996-06-13
KR100285073B1 (ko) 2001-04-02
CA2118828A1 (en) 1994-09-16
CN1054115C (zh) 2000-07-05

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Legal Events

Date Code Title Description
EE Request for examination
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
TE Change of address
B24A Patent annual fee: requirement for proving of payment of annual fee
B24C Patent annual fee: request for for restoration
B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AO DESPACHO 24.3 PUBLICADO NA RPI 1722 DE 06/01/2004.