DE1096889B - Verfahren zur Herstellung von m- und p-Difluorbenzol - Google Patents
Verfahren zur Herstellung von m- und p-DifluorbenzolInfo
- Publication number
- DE1096889B DE1096889B DED29942A DED0029942A DE1096889B DE 1096889 B DE1096889 B DE 1096889B DE D29942 A DED29942 A DE D29942A DE D0029942 A DED0029942 A DE D0029942A DE 1096889 B DE1096889 B DE 1096889B
- Authority
- DE
- Germany
- Prior art keywords
- parts
- solution
- difluorobenzene
- acid
- complex
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 17
- UEMGWPRHOOEKTA-UHFFFAOYSA-N 1,3-difluorobenzene Chemical compound FC1=CC=CC(F)=C1 UEMGWPRHOOEKTA-UHFFFAOYSA-N 0.000 title claims description 7
- QUGUFLJIAFISSW-UHFFFAOYSA-N 1,4-difluorobenzene Chemical compound FC1=CC=C(F)C=C1 QUGUFLJIAFISSW-UHFFFAOYSA-N 0.000 title claims description 7
- 238000004519 manufacturing process Methods 0.000 title description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 12
- RILZRCJGXSFXNE-UHFFFAOYSA-N 2-[4-(trifluoromethoxy)phenyl]ethanol Chemical compound OCCC1=CC=C(OC(F)(F)F)C=C1 RILZRCJGXSFXNE-UHFFFAOYSA-N 0.000 claims description 9
- 239000012954 diazonium Substances 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-O diazynium Chemical compound [NH+]#N IJGRMHOSHXDMSA-UHFFFAOYSA-O 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000006193 diazotization reaction Methods 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- 238000010348 incorporation Methods 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 18
- 238000000354 decomposition reaction Methods 0.000 description 6
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 235000002639 sodium chloride Nutrition 0.000 description 3
- 235000010288 sodium nitrite Nutrition 0.000 description 3
- GEYOCULIXLDCMW-UHFFFAOYSA-N 1,2-phenylenediamine Chemical compound NC1=CC=CC=C1N GEYOCULIXLDCMW-UHFFFAOYSA-N 0.000 description 2
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 2
- 150000004985 diamines Chemical class 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000004157 Nitrosyl chloride Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 150000001989 diazonium salts Chemical class 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 150000008423 fluorobenzenes Chemical class 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-M hydrogensulfate Chemical compound OS([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229940018564 m-phenylenediamine Drugs 0.000 description 1
- VPCDQGACGWYTMC-UHFFFAOYSA-N nitrosyl chloride Chemical compound ClN=O VPCDQGACGWYTMC-UHFFFAOYSA-N 0.000 description 1
- 235000019392 nitrosyl chloride Nutrition 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 150000004986 phenylenediamines Chemical class 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000011833 salt mixture Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 description 1
- 229910000342 sodium bisulfate Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 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)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE586870D BE586870A (enrdf_load_stackoverflow) | 1959-02-05 | ||
| DED29942A DE1096889B (de) | 1959-02-05 | 1959-02-05 | Verfahren zur Herstellung von m- und p-Difluorbenzol |
| CH8188959A CH379478A (de) | 1959-02-05 | 1959-12-16 | Verfahren zur Herstellung von m- und p-Difluorbenzolen |
| FR815150A FR1253960A (fr) | 1959-02-05 | 1960-01-08 | Procédé pour la préparation de m- et p- difluorobenzènes |
| GB316160A GB917974A (en) | 1959-02-05 | 1960-01-28 | Process for the production of m- and p-difluorobenzenes |
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 |
|---|---|
| DE1096889B true DE1096889B (de) | 1961-01-12 |
Family
ID=7040291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DED29942A Pending DE1096889B (de) | 1959-02-05 | 1959-02-05 | Verfahren zur Herstellung von m- und p-Difluorbenzol |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE586870A (enrdf_load_stackoverflow) |
| CH (1) | CH379478A (enrdf_load_stackoverflow) |
| DE (1) | DE1096889B (enrdf_load_stackoverflow) |
| GB (1) | GB917974A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1988007987A1 (en) * | 1987-04-06 | 1988-10-20 | Mallinckrodt, Inc. | Improved process for preparing aromatic fluorides |
Families Citing this family (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 |
-
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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1988007987A1 (en) * | 1987-04-06 | 1988-10-20 | Mallinckrodt, Inc. | Improved process for preparing aromatic fluorides |
Also Published As
| Publication number | Publication date |
|---|---|
| GB917974A (en) | 1963-02-13 |
| CH379478A (de) | 1964-07-15 |
| BE586870A (enrdf_load_stackoverflow) |
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