JPS6183142A - スクアル酸を単離する方法 - Google Patents
スクアル酸を単離する方法Info
- Publication number
- JPS6183142A JPS6183142A JP60191814A JP19181485A JPS6183142A JP S6183142 A JPS6183142 A JP S6183142A JP 60191814 A JP60191814 A JP 60191814A JP 19181485 A JP19181485 A JP 19181485A JP S6183142 A JPS6183142 A JP S6183142A
- Authority
- JP
- Japan
- Prior art keywords
- acid
- squaric acid
- solid
- phase
- squarate
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/79—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B3/00—Electrolytic production of organic compounds
- C25B3/01—Products
- C25B3/07—Oxygen containing compounds
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B3/00—Electrolytic production of organic compounds
- C25B3/20—Processes
- C25B3/29—Coupling reactions
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/645,975 US4523980A (en) | 1984-08-31 | 1984-08-31 | Process for the recovery of high purity squaric acid |
| US645975 | 1996-05-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6183142A true JPS6183142A (ja) | 1986-04-26 |
| JPH0564936B2 JPH0564936B2 (enExample) | 1993-09-16 |
Family
ID=24591229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60191814A Granted JPS6183142A (ja) | 1984-08-31 | 1985-08-30 | スクアル酸を単離する方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4523980A (enExample) |
| EP (1) | EP0174142B1 (enExample) |
| JP (1) | JPS6183142A (enExample) |
| DE (1) | DE3574013D1 (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5039818A (en) * | 1986-02-27 | 1991-08-13 | Syntex (U.S.A.) Inc. | Squaraine dye |
| US4830786A (en) * | 1986-02-27 | 1989-05-16 | Syntex (U.S.A.) Inc. | Squaraine dyes |
| US5151173A (en) * | 1989-12-21 | 1992-09-29 | Exxon Research And Engineering Company | Conversion of coal with promoted carbon monoxide pretreatment |
| IE65907B1 (en) * | 1990-02-26 | 1995-11-29 | Lonza Ag | New 3-hydroxy-2-cyclobuten-1-one salts their preparation and use |
| SE520256C2 (sv) * | 2001-10-25 | 2003-06-17 | Lundonia Biotech Ab | Biomolekylkvadratsyramonoamidkopplingsreagensintermediär |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE786650A (fr) * | 1971-07-24 | 1973-01-24 | Ercoli Raffaele | Procede de preparation de l'acide squarique |
| CH621107A5 (enExample) * | 1976-12-03 | 1981-01-15 | Ciba Geigy Ag | |
| US4461681A (en) * | 1983-05-31 | 1984-07-24 | The Halcon Sd Group, Inc. | Process for the preparation of squaric acid by the electrolysis of carbon monoxide in anhydrous aliphatic nitrile solvent media |
-
1984
- 1984-08-31 US US06/645,975 patent/US4523980A/en not_active Expired - Lifetime
-
1985
- 1985-08-22 DE DE8585305993T patent/DE3574013D1/de not_active Expired
- 1985-08-22 EP EP85305993A patent/EP0174142B1/en not_active Expired
- 1985-08-30 JP JP60191814A patent/JPS6183142A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| EP0174142A2 (en) | 1986-03-12 |
| DE3574013D1 (en) | 1989-12-07 |
| EP0174142B1 (en) | 1989-11-02 |
| JPH0564936B2 (enExample) | 1993-09-16 |
| EP0174142A3 (en) | 1986-12-30 |
| US4523980A (en) | 1985-06-18 |
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