CS203028B2 - Process for preparing 2',4'-difluor-4-hydroxy-/1,1-'biphenyl-3-carboxylic acid - Google Patents
Process for preparing 2',4'-difluor-4-hydroxy-/1,1-'biphenyl-3-carboxylic acid Download PDFInfo
- Publication number
- CS203028B2 CS203028B2 CS788922A CS892278A CS203028B2 CS 203028 B2 CS203028 B2 CS 203028B2 CS 788922 A CS788922 A CS 788922A CS 892278 A CS892278 A CS 892278A CS 203028 B2 CS203028 B2 CS 203028B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- biphenyl
- preparing
- reaction
- pressure
- carbon dioxide
- 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
- C07C51/15—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)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/865,563 US4131618A (en) | 1977-12-29 | 1977-12-29 | Preparation of salicylic acid and derivatives |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS203028B2 true CS203028B2 (en) | 1981-02-27 |
Family
ID=25345788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS788922A CS203028B2 (en) | 1977-12-29 | 1978-12-27 | Process for preparing 2',4'-difluor-4-hydroxy-/1,1-'biphenyl-3-carboxylic acid |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US4131618A (pt) |
| EP (1) | EP0002834A3 (pt) |
| JP (1) | JPS5495539A (pt) |
| AR (1) | AR220923A1 (pt) |
| AT (1) | ATA932678A (pt) |
| AU (1) | AU4242978A (pt) |
| CS (1) | CS203028B2 (pt) |
| DD (1) | DD141019A5 (pt) |
| DK (1) | DK584678A (pt) |
| ES (1) | ES475906A1 (pt) |
| FI (1) | FI783888A (pt) |
| GR (1) | GR66837B (pt) |
| HU (1) | HU176293B (pt) |
| IT (1) | IT1109344B (pt) |
| NO (1) | NO784317L (pt) |
| NZ (1) | NZ189141A (pt) |
| PL (1) | PL212192A1 (pt) |
| PT (1) | PT68946A (pt) |
| ZA (1) | ZA787365B (pt) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1190926B (it) * | 1982-07-22 | 1988-02-24 | Zambon Spa | Procedimento per preparare l'acido 2',4'-difluoro-4-idrossi-(1,1'-difenil)-3-carbossilico |
| 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 |
| IL118657A0 (en) | 1996-06-14 | 1996-10-16 | Arad Dorit | Inhibitors for picornavirus proteases |
| JP3814742B2 (ja) * | 1996-10-18 | 2006-08-30 | イハラケミカル工業株式会社 | ４−フルオロサリチル酸類 |
| IL122591A0 (en) | 1997-12-14 | 1998-06-15 | Arad Dorit | Pharmaceutical compositions comprising cystein protease inhibitors |
| EP3058004A1 (en) | 2013-10-17 | 2016-08-24 | SI Group, Inc. | Modified alkylphenol-aldehyde resins stabilized by a salicylic acid |
| CN106133018B (zh) | 2013-10-17 | 2020-07-14 | Si集团有限公司 | 原位烷基苯酚-醛树脂 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2816137A (en) * | 1954-08-09 | 1957-12-10 | Eastman Kodak Co | Method of preparing hydroxy aromatic carboxylic acids |
| US3714226A (en) * | 1970-06-09 | 1973-01-30 | Merck & Co Inc | Phenyl benzoic acid compounds |
| US3992459A (en) * | 1975-05-01 | 1976-11-16 | Merck & Co., Inc. | Preparation of biphenyl compounds |
-
1977
- 1977-12-29 US US05/865,563 patent/US4131618A/en not_active Expired - Lifetime
-
1978
- 1978-12-11 ES ES475906A patent/ES475906A1/es not_active Expired
- 1978-12-11 NZ NZ189141A patent/NZ189141A/xx unknown
- 1978-12-12 AU AU42429/78A patent/AU4242978A/en active Pending
- 1978-12-13 AR AR274785A patent/AR220923A1/es active
- 1978-12-16 GR GR57904A patent/GR66837B/el unknown
- 1978-12-18 FI FI783888A patent/FI783888A/fi unknown
- 1978-12-20 PT PT68946A patent/PT68946A/pt unknown
- 1978-12-21 NO NO784317A patent/NO784317L/no unknown
- 1978-12-27 CS CS788922A patent/CS203028B2/cs unknown
- 1978-12-27 PL PL21219278A patent/PL212192A1/xx unknown
- 1978-12-27 JP JP16028378A patent/JPS5495539A/ja active Pending
- 1978-12-28 AT AT932678A patent/ATA932678A/de not_active Application Discontinuation
- 1978-12-28 ZA ZA787365A patent/ZA787365B/xx unknown
- 1978-12-28 DD DD78210229A patent/DD141019A5/de unknown
- 1978-12-28 IT IT52475/78A patent/IT1109344B/it active
- 1978-12-28 HU HU78ME2237A patent/HU176293B/hu unknown
- 1978-12-28 DK DK584678A patent/DK584678A/da unknown
- 1978-12-29 EP EP78101862A patent/EP0002834A3/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| EP0002834A2 (en) | 1979-07-11 |
| PL212192A1 (pl) | 1979-08-13 |
| AR220923A1 (es) | 1980-12-15 |
| IT7852475A0 (it) | 1978-12-28 |
| ATA932678A (de) | 1981-01-15 |
| US4131618A (en) | 1978-12-26 |
| FI783888A (fi) | 1979-06-30 |
| NO784317L (no) | 1979-06-30 |
| NZ189141A (en) | 1980-08-26 |
| HU176293B (en) | 1981-01-28 |
| DK584678A (da) | 1979-06-30 |
| IT1109344B (it) | 1985-12-16 |
| EP0002834A3 (en) | 1979-07-25 |
| DD141019A5 (de) | 1980-04-09 |
| AU4242978A (en) | 1979-07-05 |
| ES475906A1 (es) | 1979-11-01 |
| GR66837B (pt) | 1981-05-04 |
| PT68946A (en) | 1979-01-01 |
| JPS5495539A (en) | 1979-07-28 |
| ZA787365B (en) | 1980-08-27 |
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