GB1353713A - Process for the preparation of squaric acid - Google Patents
Process for the preparation of squaric acidInfo
- Publication number
- GB1353713A GB1353713A GB3406772A GB3406772A GB1353713A GB 1353713 A GB1353713 A GB 1353713A GB 3406772 A GB3406772 A GB 3406772A GB 3406772 A GB3406772 A GB 3406772A GB 1353713 A GB1353713 A GB 1353713A
- Authority
- GB
- United Kingdom
- Prior art keywords
- squaric acid
- preparation
- anodic
- july
- cathodic reactions
- 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
- PWEBUXCTKOWPCW-UHFFFAOYSA-N squaric acid Chemical compound OC1=C(O)C(=O)C1=O PWEBUXCTKOWPCW-UHFFFAOYSA-N 0.000 title abstract 3
- 238000010349 cathodic reaction Methods 0.000 abstract 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 229910002091 carbon monoxide Inorganic materials 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
Classifications
-
- 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)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT4201971A IT939258B (it) | 1971-07-24 | 1971-07-24 | Ciclotetramizzazione riduttiva del l ossido di carbonio e procedimen to per attuarla |
| IT2527372A IT1006543B (it) | 1972-06-06 | 1972-06-06 | Miglioramenti al processo per la preparazione dell acido squarico per ciclotetramerizzazione ridut tiva dell ossido di carbonio |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1353713A true GB1353713A (en) | 1974-05-22 |
Family
ID=26328586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3406772A Expired GB1353713A (en) | 1971-07-24 | 1972-07-20 | Process for the preparation of squaric acid |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3833489A (enExample) |
| BE (1) | BE786650A (enExample) |
| CA (1) | CA998013A (enExample) |
| CH (1) | CH577447A5 (enExample) |
| DE (1) | DE2235882A1 (enExample) |
| FR (1) | FR2147073B1 (enExample) |
| GB (1) | GB1353713A (enExample) |
| NL (1) | NL7209893A (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2623836C3 (de) * | 1976-05-28 | 1978-12-21 | Chemische Werke Huels Ag, 4370 Marl | Verfahren zur Herstellung von Quadratsäure |
| US4104308A (en) * | 1976-06-21 | 1978-08-01 | International Business Machines Corporation | Synthesis of squaric acid |
| 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 |
| US4508803A (en) * | 1983-12-05 | 1985-04-02 | Xerox Corporation | Photoconductive devices containing novel benzyl fluorinated squaraine compositions |
| US4523980A (en) * | 1984-08-31 | 1985-06-18 | The Halcon Sd Group, Inc. | Process for the recovery of high purity squaric acid |
| US4834858A (en) * | 1988-03-23 | 1989-05-30 | Montvale Process Company, Inc. | Electrolytic reactor |
| IE65907B1 (en) * | 1990-02-26 | 1995-11-29 | Lonza Ag | New 3-hydroxy-2-cyclobuten-1-one salts their preparation and use |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3059030A (en) * | 1959-06-15 | 1962-10-16 | Minnesota Mining & Mfg | Diketocyclobutenediol and alkali metal salts thereof |
-
0
- BE BE786650D patent/BE786650A/xx not_active IP Right Cessation
-
1972
- 1972-07-11 CH CH1038472A patent/CH577447A5/xx not_active IP Right Cessation
- 1972-07-18 US US00272741A patent/US3833489A/en not_active Expired - Lifetime
- 1972-07-18 NL NL7209893A patent/NL7209893A/xx not_active Application Discontinuation
- 1972-07-20 FR FR7226120A patent/FR2147073B1/fr not_active Expired
- 1972-07-20 GB GB3406772A patent/GB1353713A/en not_active Expired
- 1972-07-21 CA CA147,715A patent/CA998013A/en not_active Expired
- 1972-07-21 DE DE2235882A patent/DE2235882A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BE786650A (fr) | 1973-01-24 |
| NL7209893A (enExample) | 1973-01-26 |
| CA998013A (en) | 1976-10-05 |
| FR2147073B1 (enExample) | 1976-08-13 |
| DE2235882A1 (de) | 1973-02-01 |
| US3833489A (en) | 1974-09-03 |
| FR2147073A1 (enExample) | 1973-03-09 |
| CH577447A5 (enExample) | 1976-07-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1353713A (en) | Process for the preparation of squaric acid | |
| GB1413070A (en) | Process for the production of - norfenfluramine and - fenfluramine and salts thereof | |
| GB1413078A (en) | Process for the production of plus-norfenfluramine and plus-fenfluramine and salts thereof | |
| GB1347913A (en) | Production of cycloalkanols and cycloalkanones | |
| GB1419759A (en) | Process for the manufacture of perfluoroalkyl-methylene carbo xylic acids | |
| GB1324152A (en) | Process for the production of alkyl cis-chrysanthemates | |
| GB1371759A (en) | Process for preparing diphenols | |
| GB1371187A (en) | Process for the production of xylenol | |
| ES429000A1 (es) | Un procedimiento para preparar acidos 2-cloro-5-sulfamoil- benzoicos. | |
| GB1245226A (en) | A process for preparing salts of hexahydrophthalic acids | |
| GB1428341A (en) | Process for preparing 4,5-diphenyl-oxazol-2-one | |
| IL47450A (en) | 2,4-diamino-pyrimidine derivatives and their preparation | |
| GB1383260A (en) | Hydantoin derivative and preparation thereof | |
| GB1366667A (en) | Bicyclic compounds | |
| GB1340334A (en) | Synthesis of benzazetropolones and hence of kynurenic acids | |
| GB1176248A (en) | Novel 13-Alkyl-Des-A-10-Aza-Gonenes and Processes for Preparing Hexahydroindanes therefrom | |
| GB1427876A (en) | Process for the production of o-sec-butyl-phenol | |
| GB1167062A (en) | Process for the preparation of Hexahydrophthalic Acid and Anhydride | |
| GB1361379A (en) | Process for the preparation of ypsilon-aryloxyacetoacetic acid esters | |
| GB1154066A (en) | Process for preparing 1-Amino-3-Carboxy-Propane-2-Sulfonic Acid | |
| ES405093A1 (es) | Procedimiento para la preparacion de acido escuarico y/o de sus complejos y/o de sus sales | |
| CA978121A (en) | Process for the production of citric acid by submerged fermentation | |
| GB1464418A (en) | Production of 2-hydroxynaphthalene-3-carboxylic acid | |
| GB1340296A (en) | Ph indicator and process for preparing same | |
| ES424218A1 (es) | Procedimiento de fabricacion de sales de calcio y de magne-sio del acido n-acetil-amino-6-hexanoico. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |