DE69501300D1 - Verfahren zur reinigung von fluormethyl-1,1,1,3,3,3-hexafluorisopropylether - Google Patents

Verfahren zur reinigung von fluormethyl-1,1,1,3,3,3-hexafluorisopropylether

Info

Publication number
DE69501300D1
DE69501300D1 DE69501300T DE69501300T DE69501300D1 DE 69501300 D1 DE69501300 D1 DE 69501300D1 DE 69501300 T DE69501300 T DE 69501300T DE 69501300 T DE69501300 T DE 69501300T DE 69501300 D1 DE69501300 D1 DE 69501300D1
Authority
DE
Germany
Prior art keywords
hexafluorisopropyl
fluormethyl
purifying
ether
purifying fluormethyl
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69501300T
Other languages
English (en)
Other versions
DE69501300T2 (de
Inventor
Toshikazu Tokyo Research Kawai
Takaaki Tokyo Resear Yoshimura
Manami Tokyo Research Kumakura
Mineo Tokyo Research Watanabe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Central Glass Co Ltd
Original Assignee
Central Glass Co Ltd
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
Application filed by Central Glass Co Ltd filed Critical Central Glass Co Ltd
Publication of DE69501300D1 publication Critical patent/DE69501300D1/de
Application granted granted Critical
Publication of DE69501300T2 publication Critical patent/DE69501300T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C07C41/34—Separation; Purification; Stabilisation; Use of additives
    • C07C41/40—Separation; Purification; Stabilisation; Use of additives by change of physical state, e.g. by crystallisation
    • C07C41/42—Separation; Purification; Stabilisation; Use of additives by change of physical state, e.g. by crystallisation by distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69501300T 1994-03-31 1995-03-23 Verfahren zur reinigung von fluormethyl-1,1,1,3,3,3-hexafluorisopropylether Expired - Lifetime DE69501300T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6063465A JP2786108B2 (ja) 1994-03-31 1994-03-31 フルオロメチル−１，１，１，３，３，３−ヘキサフルオロイソプロピルエーテルの精製方法
PCT/JP1995/000537 WO1995026949A1 (fr) 1994-03-31 1995-03-23 Procede de purification de l'ether de fluoromethyle 1,1,1,3,3,3-hexafluoro-isopropyle

Publications (2)

Publication Number Publication Date
DE69501300D1 true DE69501300D1 (de) 1998-02-05
DE69501300T2 DE69501300T2 (de) 1998-04-16

Family

ID=13230024

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69501300T Expired - Lifetime DE69501300T2 (de) 1994-03-31 1995-03-23 Verfahren zur reinigung von fluormethyl-1,1,1,3,3,3-hexafluorisopropylether

Country Status (9)

Country Link
US (1) US5684211A (de)
EP (1) EP0701985B1 (de)
JP (1) JP2786108B2 (de)
CN (1) CN1046933C (de)
CA (1) CA2163991C (de)
DE (1) DE69501300T2 (de)
ES (1) ES2112056T3 (de)
RU (1) RU2109726C1 (de)
WO (1) WO1995026949A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3240043B2 (ja) * 1996-01-23 2001-12-17 セントラル硝子株式会社 フルオロメチル−１，１，１，３，３，３−ヘキサフルオロイソプロピルエーテルの精製方法
US5990176A (en) * 1997-01-27 1999-11-23 Abbott Laboratories Fluoroether compositions and methods for inhibiting their degradation in the presence of a Lewis acid
US7405334B2 (en) * 2003-05-23 2008-07-29 E. I. Du Pont De Nemours And Company Process for the reduction of acidic contaminates in fluorinated hydrocarbons
US20090275785A1 (en) 2008-05-01 2009-11-05 Barry Jones Distillation Method For The Purification Of Sevoflurane And The Maintenance Of Certain Equipment That May Be Used In The Distillation Process
US9102604B1 (en) 2010-02-15 2015-08-11 Baxter International Inc. Methods for cleaning distilling columns
JP2015193589A (ja) * 2014-03-26 2015-11-05 セントラル硝子株式会社 １，１，１，３，３，３−ヘキサフルオロ−ｔｅｒｔ−ブタノールの製造方法
US10035745B1 (en) 2016-07-30 2018-07-31 Baxter International Inc. Methods of purifying crude sevoflurane
BE1024432B1 (fr) 2016-11-02 2018-02-19 Central Glass Company, Limited Procédé pour le lavage de récipient de stockage de sévoflurane et procédé pour le stockage de sévoflurane
CA2962568C (en) * 2017-02-06 2018-01-16 Central Glass Company, Limited Method for producing sevoflurane
JP6299905B1 (ja) * 2017-02-06 2018-03-28 セントラル硝子株式会社 セボフルランの製造方法
CN108727166B (zh) * 2017-04-17 2021-06-29 江苏恒瑞医药股份有限公司 一种氯甲基六氟异丙醚的精制方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4250334A (en) * 1979-12-26 1981-02-10 Baxter Travenol Laboratories, Inc. Method of synthesizing fluoromethylhexafluoroisopropyl ether
US4328376A (en) * 1980-03-31 1982-05-04 Baxter Travenol Laboratories, Inc. Method of removing fluorinated olefin byproduct formed during the synthesis of a fluorinated ether

Also Published As

Publication number Publication date
EP0701985A1 (de) 1996-03-20
ES2112056T3 (es) 1998-03-16
CN1046933C (zh) 1999-12-01
US5684211A (en) 1997-11-04
JP2786108B2 (ja) 1998-08-13
DE69501300T2 (de) 1998-04-16
EP0701985B1 (de) 1997-12-29
JPH07267889A (ja) 1995-10-17
RU2109726C1 (ru) 1998-04-27
EP0701985A4 (de) 1996-08-21
WO1995026949A1 (fr) 1995-10-12
CA2163991C (en) 2001-05-29
CA2163991A1 (en) 1995-10-12
CN1125936A (zh) 1996-07-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition