CA1149410A - Preparation of 5(halophenyl)salicylic acid compounds - Google Patents
Preparation of 5(halophenyl)salicylic acid compoundsInfo
- Publication number
- CA1149410A CA1149410A CA000363415A CA363415A CA1149410A CA 1149410 A CA1149410 A CA 1149410A CA 000363415 A CA000363415 A CA 000363415A CA 363415 A CA363415 A CA 363415A CA 1149410 A CA1149410 A CA 1149410A
- Authority
- CA
- Canada
- Prior art keywords
- acid
- palladium
- ligands
- catalyst
- formula
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/584—Recycling of catalysts
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)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US90,792 | 1979-11-02 | ||
| US06/090,792 US4237315A (en) | 1979-11-02 | 1979-11-02 | Preparation of 5(halophenyl)salicylic acid compounds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1149410A true CA1149410A (en) | 1983-07-05 |
Family
ID=22224332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000363415A Expired CA1149410A (en) | 1979-11-02 | 1980-10-28 | Preparation of 5(halophenyl)salicylic acid compounds |
Country Status (23)
| Country | Link |
|---|---|
| US (1) | US4237315A (OSRAM) |
| EP (1) | EP0028407B1 (OSRAM) |
| JP (1) | JPS5935909B2 (OSRAM) |
| AR (1) | AR229020A1 (OSRAM) |
| AT (1) | ATE4587T1 (OSRAM) |
| AU (1) | AU530586B2 (OSRAM) |
| CA (1) | CA1149410A (OSRAM) |
| CS (1) | CS221934B2 (OSRAM) |
| DD (1) | DD153681A5 (OSRAM) |
| DE (1) | DE3064774D1 (OSRAM) |
| DK (1) | DK156564C (OSRAM) |
| ES (1) | ES496444A0 (OSRAM) |
| FI (1) | FI68610C (OSRAM) |
| GR (1) | GR70785B (OSRAM) |
| HU (1) | HU182226B (OSRAM) |
| IE (1) | IE50334B1 (OSRAM) |
| NO (1) | NO152555C (OSRAM) |
| NZ (1) | NZ195304A (OSRAM) |
| PL (1) | PL126701B1 (OSRAM) |
| PT (1) | PT71978B (OSRAM) |
| SU (1) | SU1075971A3 (OSRAM) |
| YU (1) | YU41949B (OSRAM) |
| ZA (1) | ZA806723B (OSRAM) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4355174A (en) * | 1979-11-02 | 1982-10-19 | Merck & Co., Inc. | Preparation of 5(halophenyl)salicylic acid compounds |
| 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 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL30496A0 (en) * | 1967-08-14 | 1968-10-24 | Merck & Co Inc | Process for the preparation of phenyl salicylic acid compounds and intermediates used therein |
| IL30498A0 (en) * | 1967-08-14 | 1968-10-24 | Merck & Co Inc | Process for the preparation of phenyl salicylic acid compounds and intermediates used therein |
| US3632831A (en) * | 1969-01-03 | 1972-01-04 | Du Pont | Synthesis of dialkyl 4 4'-biphenyldicarboxylates |
-
1979
- 1979-11-02 US US06/090,792 patent/US4237315A/en not_active Expired - Lifetime
-
1980
- 1980-10-20 FI FI803293A patent/FI68610C/fi not_active IP Right Cessation
- 1980-10-20 NZ NZ195304A patent/NZ195304A/xx unknown
- 1980-10-21 AU AU63550/80A patent/AU530586B2/en not_active Ceased
- 1980-10-21 CS CS807122A patent/CS221934B2/cs unknown
- 1980-10-22 YU YU2701/80A patent/YU41949B/xx unknown
- 1980-10-27 DD DD80224759A patent/DD153681A5/de not_active IP Right Cessation
- 1980-10-27 PT PT71978A patent/PT71978B/pt not_active IP Right Cessation
- 1980-10-28 CA CA000363415A patent/CA1149410A/en not_active Expired
- 1980-10-30 GR GR63251A patent/GR70785B/el unknown
- 1980-10-30 PL PL1980227576A patent/PL126701B1/pl unknown
- 1980-10-30 HU HU802621A patent/HU182226B/hu unknown
- 1980-10-31 AR AR283086A patent/AR229020A1/es active
- 1980-10-31 JP JP55152379A patent/JPS5935909B2/ja not_active Expired
- 1980-10-31 EP EP80106705A patent/EP0028407B1/en not_active Expired
- 1980-10-31 NO NO803255A patent/NO152555C/no unknown
- 1980-10-31 DE DE8080106705T patent/DE3064774D1/de not_active Expired
- 1980-10-31 SU SU802999196A patent/SU1075971A3/ru active
- 1980-10-31 ZA ZA00806723A patent/ZA806723B/xx unknown
- 1980-10-31 ES ES496444A patent/ES496444A0/es active Granted
- 1980-10-31 DK DK462180A patent/DK156564C/da not_active IP Right Cessation
- 1980-10-31 AT AT80106705T patent/ATE4587T1/de active
- 1980-10-31 IE IE2261/80A patent/IE50334B1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AR229020A1 (es) | 1983-05-31 |
| JPS5935909B2 (ja) | 1984-08-31 |
| FI68610C (fi) | 1985-10-10 |
| PT71978A (en) | 1980-11-01 |
| PL227576A1 (OSRAM) | 1981-06-19 |
| NO152555C (no) | 1985-10-16 |
| DE3064774D1 (en) | 1983-10-13 |
| EP0028407A1 (en) | 1981-05-13 |
| ES8107147A1 (es) | 1981-10-01 |
| PT71978B (en) | 1982-03-31 |
| CS221934B2 (en) | 1983-04-29 |
| US4237315A (en) | 1980-12-02 |
| YU270180A (en) | 1983-01-21 |
| SU1075971A3 (ru) | 1984-02-23 |
| PL126701B1 (en) | 1983-08-31 |
| DK462180A (da) | 1981-05-03 |
| DK156564B (da) | 1989-09-11 |
| ATE4587T1 (de) | 1983-09-15 |
| GR70785B (OSRAM) | 1983-03-23 |
| NO152555B (no) | 1985-07-08 |
| AU530586B2 (en) | 1983-07-21 |
| YU41949B (en) | 1988-02-29 |
| FI803293L (fi) | 1981-05-03 |
| DK156564C (da) | 1990-02-12 |
| AU6355080A (en) | 1981-08-20 |
| FI68610B (fi) | 1985-06-28 |
| NZ195304A (en) | 1982-12-07 |
| NO803255L (no) | 1981-05-04 |
| IE50334B1 (en) | 1986-04-02 |
| ZA806723B (en) | 1982-06-30 |
| ES496444A0 (es) | 1981-10-01 |
| IE802261L (en) | 1981-05-02 |
| EP0028407B1 (en) | 1983-09-07 |
| HU182226B (en) | 1983-12-28 |
| DD153681A5 (de) | 1982-01-27 |
| JPS5690037A (en) | 1981-07-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |