GB917974A - Process for the production of m- and p-difluorobenzenes - Google Patents
Process for the production of m- and p-difluorobenzenesInfo
- Publication number
- GB917974A GB917974A GB316160A GB316160A GB917974A GB 917974 A GB917974 A GB 917974A GB 316160 A GB316160 A GB 316160A GB 316160 A GB316160 A GB 316160A GB 917974 A GB917974 A GB 917974A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cooled
- fluoborate
- acid
- difluorobenzenes
- give
- 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
Links
- QUGUFLJIAFISSW-UHFFFAOYSA-N 1,4-difluorobenzene Chemical class FC1=CC=C(F)C=C1 QUGUFLJIAFISSW-UHFFFAOYSA-N 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 abstract 2
- 239000001117 sulphuric acid Substances 0.000 abstract 2
- 235000011149 sulphuric acid Nutrition 0.000 abstract 2
- UEMGWPRHOOEKTA-UHFFFAOYSA-N 1,3-difluorobenzene Chemical compound FC1=CC=CC(F)=C1 UEMGWPRHOOEKTA-UHFFFAOYSA-N 0.000 abstract 1
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 abstract 1
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 150000001412 amines Chemical class 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000012954 diazonium Substances 0.000 abstract 1
- 150000001989 diazonium salts Chemical class 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-O diazynium Chemical compound [NH+]#N IJGRMHOSHXDMSA-UHFFFAOYSA-O 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 abstract 1
- 235000010288 sodium nitrite Nutrition 0.000 abstract 1
- PMZURENOXWZQFD-UHFFFAOYSA-L sodium sulphate Substances [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DED29942A DE1096889B (de) | 1959-02-05 | 1959-02-05 | Verfahren zur Herstellung von m- und p-Difluorbenzol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB917974A true GB917974A (en) | 1963-02-13 |
Family
ID=7040291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB316160A Expired GB917974A (en) | 1959-02-05 | 1960-01-28 | Process for the production of m- and p-difluorobenzenes |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE586870A (cs) |
| CH (1) | CH379478A (cs) |
| DE (1) | DE1096889B (cs) |
| GB (1) | GB917974A (cs) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3950444A (en) * | 1973-03-05 | 1976-04-13 | Olin Corporation | Process for preparing ortho substituted aryl fluorides |
| CN112624896A (zh) * | 2020-12-18 | 2021-04-09 | 浙江解氏新材料股份有限公司 | 一种基于微通道反应器的间二氟苯的连续化合成方法 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2565560B2 (ja) * | 1987-04-06 | 1996-12-18 | マリンクロッド・インコーポレイテッド | 芳香族フッ化物の改良された調製方法 |
-
0
- BE BE586870D patent/BE586870A/xx unknown
-
1959
- 1959-02-05 DE DED29942A patent/DE1096889B/de active Pending
- 1959-12-16 CH CH8188959A patent/CH379478A/de unknown
-
1960
- 1960-01-28 GB GB316160A patent/GB917974A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3950444A (en) * | 1973-03-05 | 1976-04-13 | Olin Corporation | Process for preparing ortho substituted aryl fluorides |
| CN112624896A (zh) * | 2020-12-18 | 2021-04-09 | 浙江解氏新材料股份有限公司 | 一种基于微通道反应器的间二氟苯的连续化合成方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| BE586870A (cs) | |
| DE1096889B (de) | 1961-01-12 |
| CH379478A (de) | 1964-07-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB917974A (en) | Process for the production of m- and p-difluorobenzenes | |
| GB970474A (en) | Improvements in and relating to processes for chemical treatment,and preparations for use therein | |
| GB964598A (en) | Production of soda ash | |
| GB945966A (en) | A method for the direct production of lower hydrates of ferrous sulphate from exhausted pickling baths | |
| GB858890A (en) | Process of producing crystalline ortho, ortho-bis(para-1,1,3,3-tetramethylbutylphenol) monosulphide and nickel derivatives thereof | |
| GB950668A (en) | Improved production of direct positives by the silver salt diffusion process and a developer solution therefor | |
| GB1276774A (en) | Process for the preparation of isocyanates | |
| GB841293A (en) | Process for the manufacture of water-soluble aluminium salts | |
| GB811519A (en) | Improvements in or relating to the production of hydroquinone | |
| GB843587A (en) | Improvements relating to the preparation of hydrazine sulphate | |
| GB1046047A (en) | Process for the manufacture of trans-2-chlorobutene-(2) | |
| GB910207A (en) | Preparation of potassium hydrogen fluoride | |
| GB891828A (en) | Process for the production of sodium hydrosulphide | |
| KR790000024B1 (en) | Method of preparing nicotinyl p chlorophenoxy & isobutyrate | |
| GB975301A (en) | Production of sulphamic acid | |
| GB703142A (en) | Process for the continuous regeneration of waste pickling liquors | |
| GB810760A (en) | A method for the preparation of a fertilizer containing urea and ammonium sulphate, with a high nitrogen content | |
| GB1081355A (en) | Production of tetrahydrodicyclopentadienylene diamine | |
| ES420949A1 (es) | Procedimiento para la fabricacion de sulfato de niquel hi- dratado. | |
| JPS5250998A (en) | Proces for recovering boric acid | |
| GB899996A (en) | New steroid compound and processes | |
| GB1014443A (en) | Preparation of nitrosyl hydrogen sulphate | |
| GB1019084A (en) | Process for the manufacture of naphthalene-2-sulphonic acid | |
| GB294078A (en) | Manufacture of 2:3-and 2:5-dichloro-4-acetamino-1-methyl-benzene and of pure 2:3-and2:5-dichloro-4-amino-1-methylbenzene | |
| GB709614A (en) | Improvements in the production of 4-hydroxy-7.8-phthaloylcinnolines |