ATE17230T1 - Verfahren zur herstellung von 2'-4'-difluor-4hydroxy-(1,1'-diphenyl)-carbonsaeure. - Google Patents
Verfahren zur herstellung von 2'-4'-difluor-4hydroxy-(1,1'-diphenyl)-carbonsaeure.Info
- Publication number
- ATE17230T1 ATE17230T1 AT83201056T AT83201056T ATE17230T1 AT E17230 T1 ATE17230 T1 AT E17230T1 AT 83201056 T AT83201056 T AT 83201056T AT 83201056 T AT83201056 T AT 83201056T AT E17230 T1 ATE17230 T1 AT E17230T1
- Authority
- AT
- Austria
- Prior art keywords
- difluoro
- diphenyl
- 4hydroxy
- preparation
- carbonic acid
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/15—Preparation of carboxylic acids or their salts, halides or anhydrides by reaction of organic compounds with carbon dioxide, e.g. Kolbe-Schmitt synthesis
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT22516/82A IT1190926B (it) | 1982-07-22 | 1982-07-22 | Procedimento per preparare l'acido 2',4'-difluoro-4-idrossi-(1,1'-difenil)-3-carbossilico |
EP83201056A EP0101625B1 (de) | 1982-07-22 | 1983-07-16 | Verfahren zur Herstellung von 2'-4'-Difluor-4-hydroxy-(1,1'-diphenyl)-carbonsäure |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE17230T1 true ATE17230T1 (de) | 1986-01-15 |
Family
ID=11197310
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT83201056T ATE17230T1 (de) | 1982-07-22 | 1983-07-16 | Verfahren zur herstellung von 2'-4'-difluor-4hydroxy-(1,1'-diphenyl)-carbonsaeure. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4486599A (de) |
EP (1) | EP0101625B1 (de) |
JP (1) | JPS5933242A (de) |
AT (1) | ATE17230T1 (de) |
DE (1) | DE3361707D1 (de) |
IT (1) | IT1190926B (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5239114A (en) * | 1990-12-19 | 1993-08-24 | Zambon Group S.P.A. | Process for the preparation of 4-(2,4-difluorophenyl)-phenyl 4-nitrobenzoate |
IT1244036B (it) * | 1990-12-19 | 1994-06-28 | Zambon Spa | Processo per la preparazione del 4-nitro-benzoato di 4-(2,4- difluorofenil)-fenile |
IL100353A (en) * | 1991-01-08 | 1997-06-10 | Zambon Spa | Preparation of 5-(2, 4-difluorophenyl)-salicylic acid and novel 2,4-difluorophenyl-boronic acid derivatives being intermediates therefor |
IT1250736B (it) * | 1991-08-01 | 1995-04-21 | Zambon Spa | Processo per la preparazione dell'acido 5-(2',4'-difluorofenil) salicilico in forma ii pura |
EP3192772A1 (de) * | 2016-01-15 | 2017-07-19 | Basf Se | Verfahren zur herstellung von carbonat mit metalloxid-hydroxiden mittels metallalkoxidlösungen mit metallalkylcarbonatgruppen |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA862163A (en) * | 1971-01-26 | F. Schoenewaldt Erwin | Process of preparing biphenyl compounds | |
CA842280A (en) * | 1970-05-19 | F. Schoenewaldt Erwin | Process of preparing biphenyl compounds | |
FR1553473A (de) * | 1967-04-07 | 1969-01-10 | ||
US4131618A (en) * | 1977-12-29 | 1978-12-26 | Merck & Co., Inc. | Preparation of salicylic acid and derivatives |
US4216340A (en) * | 1979-05-02 | 1980-08-05 | Merck & Co., Inc. | Preparation of 5-(2,4-difluorophenyl)salicylic acid and derivatives |
US4237315A (en) * | 1979-11-02 | 1980-12-02 | Merck & Co., Inc. | Preparation of 5(halophenyl)salicylic acid compounds |
-
1982
- 1982-07-22 IT IT22516/82A patent/IT1190926B/it active
-
1983
- 1983-07-16 EP EP83201056A patent/EP0101625B1/de not_active Expired
- 1983-07-16 AT AT83201056T patent/ATE17230T1/de not_active IP Right Cessation
- 1983-07-16 DE DE8383201056T patent/DE3361707D1/de not_active Expired
- 1983-07-22 JP JP58135051A patent/JPS5933242A/ja active Granted
- 1983-07-22 US US06/516,356 patent/US4486599A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0101625A1 (de) | 1984-02-29 |
IT8222516A1 (it) | 1984-01-22 |
EP0101625B1 (de) | 1986-01-02 |
IT1190926B (it) | 1988-02-24 |
DE3361707D1 (en) | 1986-02-13 |
IT8222516A0 (it) | 1982-07-22 |
JPS5933242A (ja) | 1984-02-23 |
JPH0534347B2 (de) | 1993-05-21 |
US4486599A (en) | 1984-12-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification | ||
REN | Ceased due to non-payment of the annual fee |