WO2008078479A1 - ジフルオロ酢酸エステルの製造方法 - Google Patents
ジフルオロ酢酸エステルの製造方法 Download PDFInfo
- Publication number
- WO2008078479A1 WO2008078479A1 PCT/JP2007/072503 JP2007072503W WO2008078479A1 WO 2008078479 A1 WO2008078479 A1 WO 2008078479A1 JP 2007072503 W JP2007072503 W JP 2007072503W WO 2008078479 A1 WO2008078479 A1 WO 2008078479A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- difluoroacetic acid
- acid ester
- carbon atoms
- hcf2cf2or1
- reacting
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/02—Preparation of carboxylic acids or their salts, halides or anhydrides from salts of carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
以下の式 【化5】
HCF2CF2OR1 で表される1-アルコキシ-1,1,2,2-テトラフルオロエタン[式中、R1 は炭素数1~20の直鎖または分岐鎖のアルキル基を示す。]を、炭素数1~20のアルコール、及び金属水酸化物もしくは金属アルコキシドと反応させてジフルオロ酢酸金属塩を得、得られたジフルオロ酢酸金属塩を、酸の存在下、炭素数1~10のアルコールと反応させ、ジフルオロ酢酸エステルを得る。この方法によれば、従来技術と比べて短工程で、簡便かつ工業的規模で製造できる。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006351155A JP2008162902A (ja) | 2006-12-27 | 2006-12-27 | ジフルオロ酢酸エステルの製造方法 |
JP2006-351155 | 2006-12-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008078479A1 true WO2008078479A1 (ja) | 2008-07-03 |
Family
ID=39562272
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/072503 WO2008078479A1 (ja) | 2006-12-27 | 2007-11-21 | ジフルオロ酢酸エステルの製造方法 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP2008162902A (ja) |
WO (1) | WO2008078479A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011184316A (ja) * | 2010-03-05 | 2011-09-22 | Central Glass Co Ltd | ジフルオロ酢酸エステルの製造方法 |
WO2012011524A1 (ja) * | 2010-07-23 | 2012-01-26 | ダイキン工業株式会社 | ジフルオロ酢酸エステルの製造方法 |
FR2996147A1 (fr) * | 2012-10-03 | 2014-04-04 | Rhodia Operations | Procede de traitement d'acide fluore |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5217927B2 (ja) * | 2008-11-12 | 2013-06-19 | セントラル硝子株式会社 | ジフルオロ酢酸エステルの製造方法 |
WO2012062602A1 (en) | 2010-11-08 | 2012-05-18 | Solvay Specialty Polymers Italy S.P.A. | Process for the preparation of difluoroacetic acid |
CN103113220B (zh) * | 2013-01-29 | 2015-03-18 | 巨化集团技术中心 | 一种二氟乙酸酯的合成方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002521033A (ja) * | 1998-07-24 | 2002-07-16 | サムスン ファイン ケミカルズ カンパニー リミテッド | 光学的に純粋な(s)−3,4−ジヒドロキシ酪酸誘導体の連続的な製造方法 |
-
2006
- 2006-12-27 JP JP2006351155A patent/JP2008162902A/ja active Pending
-
2007
- 2007-11-21 WO PCT/JP2007/072503 patent/WO2008078479A1/ja active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002521033A (ja) * | 1998-07-24 | 2002-07-16 | サムスン ファイン ケミカルズ カンパニー リミテッド | 光学的に純粋な(s)−3,4−ジヒドロキシ酪酸誘導体の連続的な製造方法 |
Non-Patent Citations (1)
Title |
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YOUNG J.A. AND TARRANT P.: "A New Method of Preparation of Esters of Difluoroacetic Acid", JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, vol. 72, 1950, pages 1860 - 1861, XP002581355 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011184316A (ja) * | 2010-03-05 | 2011-09-22 | Central Glass Co Ltd | ジフルオロ酢酸エステルの製造方法 |
WO2012011524A1 (ja) * | 2010-07-23 | 2012-01-26 | ダイキン工業株式会社 | ジフルオロ酢酸エステルの製造方法 |
JP2012025697A (ja) * | 2010-07-23 | 2012-02-09 | Daikin Industries Ltd | ジフルオロ酢酸エステルの製造方法 |
FR2996147A1 (fr) * | 2012-10-03 | 2014-04-04 | Rhodia Operations | Procede de traitement d'acide fluore |
WO2014053312A1 (fr) * | 2012-10-03 | 2014-04-10 | Rhodia Operations | Procede de traitement d'acide fluore |
US9394225B2 (en) | 2012-10-03 | 2016-07-19 | Rhodia Operations | Method for processing fluoric acid |
Also Published As
Publication number | Publication date |
---|---|
JP2008162902A (ja) | 2008-07-17 |
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