CN109534987B - 一种二氟乙酸的制备方法 - Google Patents
一种二氟乙酸的制备方法 Download PDFInfo
- Publication number
- CN109534987B CN109534987B CN201811645842.7A CN201811645842A CN109534987B CN 109534987 B CN109534987 B CN 109534987B CN 201811645842 A CN201811645842 A CN 201811645842A CN 109534987 B CN109534987 B CN 109534987B
- Authority
- CN
- China
- Prior art keywords
- difluoroacetic acid
- reaction kettle
- preparation
- reaction
- hydrogen peroxide
- 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.)
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- PBWZKZYHONABLN-UHFFFAOYSA-N difluoroacetic acid Chemical compound OC(=O)C(F)F PBWZKZYHONABLN-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 64
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 34
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 15
- ATEBGNALLCMSGS-UHFFFAOYSA-N 2-chloro-1,1-difluoroethane Chemical compound FC(F)CCl ATEBGNALLCMSGS-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 8
- 239000000126 substance Substances 0.000 claims abstract description 3
- 239000003054 catalyst Substances 0.000 claims description 15
- 239000012286 potassium permanganate Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 abstract description 6
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052731 fluorine Inorganic materials 0.000 abstract description 4
- 239000011737 fluorine Substances 0.000 abstract description 4
- 238000009776 industrial production Methods 0.000 abstract description 3
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000011949 solid catalyst Substances 0.000 abstract 1
- 239000007795 chemical reaction product Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 4
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- PYTZLVKBSCQRQJ-UHFFFAOYSA-N 2,2-difluoroacetic acid Chemical compound FC(C(=O)O)F.FC(C(=O)O)F PYTZLVKBSCQRQJ-UHFFFAOYSA-N 0.000 description 1
- CRLSHTZUJTXOEL-UHFFFAOYSA-N 2,2-difluoroacetyl fluoride Chemical class FC(F)C(F)=O CRLSHTZUJTXOEL-UHFFFAOYSA-N 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- ROVVHEKSEBLOOM-UHFFFAOYSA-N n,n-dichloroacetamide Chemical compound CC(=O)N(Cl)Cl ROVVHEKSEBLOOM-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000006053 organic reaction Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 229920001184 polypeptide Polymers 0.000 description 1
- 235000003270 potassium fluoride Nutrition 0.000 description 1
- 239000011698 potassium fluoride Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 102000004196 processed proteins & peptides Human genes 0.000 description 1
- 108090000765 processed proteins & peptides Proteins 0.000 description 1
- 239000003223 protective agent Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/285—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with peroxy-compounds
Landscapes
- 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)
Abstract
Description
样品 | 产品收率 | 产品纯度 |
实施例1 | 32.5% | 98.8% |
实施例2 | 37.9% | 99.5% |
实施例3 | 62.3% | 99.7% |
实施例4 | 56.2% | 99.8% |
实施例5 | 55.6% | 99.8% |
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811645842.7A CN109534987B (zh) | 2018-12-30 | 2018-12-30 | 一种二氟乙酸的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811645842.7A CN109534987B (zh) | 2018-12-30 | 2018-12-30 | 一种二氟乙酸的制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109534987A CN109534987A (zh) | 2019-03-29 |
CN109534987B true CN109534987B (zh) | 2022-02-15 |
Family
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Family Applications (1)
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CN201811645842.7A Active CN109534987B (zh) | 2018-12-30 | 2018-12-30 | 一种二氟乙酸的制备方法 |
Country Status (1)
Country | Link |
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CN (1) | CN109534987B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112538008B (zh) * | 2020-12-31 | 2022-11-01 | 山东华安新材料有限公司 | 一种二氟乙酸的合成方法 |
CN116621687B (zh) * | 2023-07-21 | 2023-10-27 | 山东国邦药业有限公司 | 一种二氟乙酸的制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CS236319B1 (cs) * | 1983-11-02 | 1985-05-15 | Zdenek Chvatal | Způsob přípravy difluoroctové kyseliny |
CN101977885A (zh) * | 2008-03-19 | 2011-02-16 | 罗地亚管理公司 | 制备二氟乙酸及其盐的方法 |
CN103113220A (zh) * | 2013-01-29 | 2013-05-22 | 巨化集团技术中心 | 一种二氟乙酸酯的合成方法 |
-
2018
- 2018-12-30 CN CN201811645842.7A patent/CN109534987B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CS236319B1 (cs) * | 1983-11-02 | 1985-05-15 | Zdenek Chvatal | Způsob přípravy difluoroctové kyseliny |
CN101977885A (zh) * | 2008-03-19 | 2011-02-16 | 罗地亚管理公司 | 制备二氟乙酸及其盐的方法 |
CN103113220A (zh) * | 2013-01-29 | 2013-05-22 | 巨化集团技术中心 | 一种二氟乙酸酯的合成方法 |
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Publication number | Publication date |
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CN109534987A (zh) | 2019-03-29 |
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Denomination of invention: A preparation method of difluoroacetic acid Effective date of registration: 20220622 Granted publication date: 20220215 Pledgee: Shandong Zhoucun Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG HUAAN NEW MATERIAL Co.,Ltd. Registration number: Y2022980008503 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20220215 Pledgee: Shandong Zhoucun Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG HUAAN NEW MATERIAL Co.,Ltd. Registration number: Y2022980008503 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |