DE69708544D1 - Verfahren zur herstellung von fluoromethyl-(1,1,1,3,3,3)-hexafluoroisopropylether - Google Patents

Verfahren zur herstellung von fluoromethyl-(1,1,1,3,3,3)-hexafluoroisopropylether

Info

Publication number: DE69708544D1
Authority: DE; Germany
Prior art keywords: hexafluoroisopropyl ether; producing fluoromethyl; fluoromethyl; producing; hexafluoroisopropyl
Prior art date: 1996-02-21
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

DE69708544T

Other languages

English (en)

Other versions

DE69708544T3 (de

DE69708544T2 (de

Inventor

Toshikazu Kawai

Mineo 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.)

1996-02-21

Filing date

1997-01-22

Publication date

2002-01-10

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=12383817&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69708544(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1997-01-22 Application filed by Central Glass Co Ltd filed Critical Central Glass Co Ltd

2002-01-10 Application granted granted Critical

2002-01-10 Publication of DE69708544D1 publication Critical patent/DE69708544D1/de

2002-05-23 Publication of DE69708544T2 publication Critical patent/DE69708544T2/de

2005-02-03 Publication of DE69708544T3 publication Critical patent/DE69708544T3/de

2017-01-23 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- 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
- C07C43/123—Saturated ethers containing halogen both carbon chains are substituted by halogen atoms

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

DE69708544T 1996-02-21 1997-01-22 Verfahren zur herstellung von fluoromethyl-(1,1,1,3,3,3)-hexafluoroisopropylether Expired - Lifetime DE69708544T3 (de)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP3333996		1996-02-21
JP3333996		1996-02-21
PCT/JP1997/000129 WO1997030961A1 (en)	1996-02-21	1997-01-22	Process for preparing fluoromethyl 1,1,1,3,3,3-hexafluoroisopropyl ether

Publications (3)

Publication Number	Publication Date
DE69708544D1 true DE69708544D1 (de)	2002-01-10
DE69708544T2 DE69708544T2 (de)	2002-05-23
DE69708544T3 DE69708544T3 (de)	2005-02-03

Family

ID=12383817

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69708544T Expired - Lifetime DE69708544T3 (de)	1996-02-21	1997-01-22	Verfahren zur herstellung von fluoromethyl-(1,1,1,3,3,3)-hexafluoroisopropylether

Country Status (8)

Country	Link
US (1)	US5811596A (de)
EP (1)	EP0822172B2 (de)
JP (1)	JP3441735B2 (de)
CN (1)	CN1074759C (de)
CA (1)	CA2215993C (de)
DE (1)	DE69708544T3 (de)
ES (1)	ES2169345T5 (de)
WO (1)	WO1997030961A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6100434A (en) *	1999-03-26	2000-08-08	Abbott Laboratories	Method for synthesizing sevoflurane and an intermediate thereof
US6469219B1 (en) *	2000-03-16	2002-10-22	Halocarbon Products Corporation	Production of fluoromethyl 2,2,2-trifluoro-1-(trifluoromethyl)ethyl ether
US6303831B1 (en)	2000-06-01	2001-10-16	Abbott Laboratories	Synthetic method for fluoromethylation of halogenated alcohols
US6271422B1 (en) *	2000-06-01	2001-08-07	Abbott Laboratories	Method for fluoromethylation of alcohols via halogenative decarboxylation
US6245949B1 (en) *	2000-06-01	2001-06-12	Abbott Laboratories	Synthetic method for the fluoromethylation of alcohols
BRPI0406766B8 (pt) *	2003-01-14	2021-05-25	Baxter Int	processo para a recuperação de 1,1,1,3,3,3-hexafluoroisopropanol a partir de corrente de rejeitos de síntese de sevoflurano
JP5315609B2 (ja)	2006-06-05	2013-10-16	ダイキン工業株式会社	新規カルボン酸化合物、その用途及びその製造方法
JP5114880B2 (ja)	2006-07-06	2013-01-09	ダイキン工業株式会社	新規α−フルオロメトキシカルボン酸エステル、該α−フルオロメトキシカルボン酸エステルの製造方法及びセボフルランの製造方法
MX2009003356A (es) *	2006-09-29	2009-04-14	Cristalia Prod Quimicos Farm	Proceso para la preparacion de clorometil 2,2,2-trifluoro-1-(trifl uorometil) etil eter.
EP2066609B1 (de) *	2006-09-29	2016-01-06	Cristália Produtos Químicos Farmacêuticos Ltda.	Verfahren zur herstellung von fluormethyl-2,2,2-trifluor-1-(trifluormethyl)ethylether
JP5163064B2 (ja)	2007-11-13	2013-03-13	ダイキン工業株式会社	新規カルボン酸エステル、その用途及びその製造方法
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
CN101314560B (zh) *	2008-07-02	2011-06-15	鲁南制药集团股份有限公司	七氟烷的合成方法
US9102604B1 (en)	2010-02-15	2015-08-11	Baxter International Inc.	Methods for cleaning distilling columns
US8729313B2 (en)	2011-08-15	2014-05-20	Baxter International Inc.	Process for the manufacturing of sevoflurane
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
CN107698430B (zh) *	2017-11-01	2021-01-08	华东医药（西安）博华制药有限公司	一种七氟烷反应液的后处理方法
CN114502527B (zh) *	2019-10-18	2024-06-14	鲁南贝特制药有限公司	一种七氟醚的合成方法
CN120025236B (zh) *	2025-04-21	2025-06-27	江苏恒瑞医药股份有限公司	一种制备七氟烷及其中间体的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4469898A (en) †	1979-12-26	1984-09-04	Baxter Travenol Laboratories, Inc.	Method of synthesizing fluoromethylhexafluoroisopropyl ether
US4250334A (en) *	1979-12-26	1981-02-10	Baxter Travenol Laboratories, Inc.	Method of synthesizing fluoromethylhexafluoroisopropyl ether
US4874901A (en) *	1988-05-06	1989-10-17	Boc, Inc.	Process for the production of polyfluorinated ethers
GB9126355D0 (en) *	1991-12-11	1992-02-12	Ici Plc	Production of hydrofluorocarbons

1997
- 1997-01-22 WO PCT/JP1997/000129 patent/WO1997030961A1/ja not_active Ceased
- 1997-01-22 ES ES97900750T patent/ES2169345T5/es not_active Expired - Lifetime
- 1997-01-22 DE DE69708544T patent/DE69708544T3/de not_active Expired - Lifetime
- 1997-01-22 US US08/945,044 patent/US5811596A/en not_active Expired - Lifetime
- 1997-01-22 EP EP97900750A patent/EP0822172B2/de not_active Expired - Lifetime
- 1997-01-22 CN CN97190090A patent/CN1074759C/zh not_active Expired - Lifetime
- 1997-01-22 JP JP52836997A patent/JP3441735B2/ja not_active Expired - Lifetime
- 1997-01-22 CA CA002215993A patent/CA2215993C/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
CN1180347A (zh)	1998-04-29
DE69708544T3 (de)	2005-02-03
ES2169345T5 (es)	2005-05-01
EP0822172B2 (de)	2004-10-06
US5811596A (en)	1998-09-22
EP0822172A4 (de)	1998-05-06
DE69708544T2 (de)	2002-05-23
EP0822172B1 (de)	2001-11-28
WO1997030961A1 (en)	1997-08-28
CA2215993C (en)	2000-07-04
EP0822172A1 (de)	1998-02-04
JP3441735B2 (ja)	2003-09-02
CN1074759C (zh)	2001-11-14
ES2169345T3 (es)	2002-07-01
CA2215993A1 (en)	1997-08-28

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Legal Events

Date	Code	Title	Description
2002-11-28	8363	Opposition against the patent
2004-12-09	8366	Restricted maintained after opposition proceedings