BE855165A - Procede de production de l'acide quadrique - Google Patents
Procede de production de l'acide quadriqueInfo
- Publication number
- BE855165A BE855165A BE178018A BE178018A BE855165A BE 855165 A BE855165 A BE 855165A BE 178018 A BE178018 A BE 178018A BE 178018 A BE178018 A BE 178018A BE 855165 A BE855165 A BE 855165A
- Authority
- BE
- Belgium
- Prior art keywords
- production process
- acid production
- quadric
- quadric acid
- production
- Prior art date
Links
- 239000002253 acid Substances 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/587—Unsaturated compounds containing a keto groups being part of a ring
- C07C49/703—Unsaturated compounds containing a keto groups being part of a ring containing hydroxy groups
- C07C49/707—Unsaturated compounds containing a keto groups being part of a ring containing hydroxy groups a keto group being part of a three- to five-membered ring
-
- 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
- C07C45/42—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by hydrolysis
- C07C45/43—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by hydrolysis of >CX2 groups, X being halogen
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Steroid Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2623836A DE2623836C3 (de) | 1976-05-28 | 1976-05-28 | Verfahren zur Herstellung von Quadratsäure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE855165A true BE855165A (fr) | 1977-11-28 |
Family
ID=5979159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE178018A BE855165A (fr) | 1976-05-28 | 1977-05-27 | Procede de production de l'acide quadrique |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US4097530A (fr) |
| JP (1) | JPS52148046A (fr) |
| AT (1) | AT349445B (fr) |
| AU (1) | AU502227B2 (fr) |
| BE (1) | BE855165A (fr) |
| BR (1) | BR7703445A (fr) |
| CA (1) | CA1075717A (fr) |
| CH (1) | CH629469A5 (fr) |
| CS (1) | CS193095B2 (fr) |
| DD (1) | DD129774A1 (fr) |
| DE (1) | DE2623836C3 (fr) |
| DK (1) | DK236677A (fr) |
| FR (1) | FR2352778A1 (fr) |
| GB (1) | GB1574500A (fr) |
| IT (1) | IT1079672B (fr) |
| NL (1) | NL7705890A (fr) |
| NO (1) | NO146278C (fr) |
| SE (1) | SE421787B (fr) |
| SU (1) | SU645549A3 (fr) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2810398C2 (de) * | 1978-03-10 | 1983-08-25 | Chemische Werke Hüls AG, 4370 Marl | Verfahren zur Herstellung von Tetrachlorcyclobutenon aus Hexachlorcyclobuten |
| DE2824558C3 (de) * | 1978-06-05 | 1981-07-09 | Chemische Werke Hüls AG, 4370 Marl | Verfahren zur Herstellung von Quadratsäure |
| DE3314431A1 (de) * | 1983-04-21 | 1984-10-25 | Chemische Werke Hüls AG, 4370 Marl | Verfahren zur herstellung von quadratsaeure |
| US4508803A (en) * | 1983-12-05 | 1985-04-02 | Xerox Corporation | Photoconductive devices containing novel benzyl fluorinated squaraine compositions |
| IE64516B1 (en) * | 1990-02-12 | 1995-08-09 | Lonza Ag | A process for the preparation of quadratic acid |
| IE65907B1 (en) * | 1990-02-26 | 1995-11-29 | Lonza Ag | New 3-hydroxy-2-cyclobuten-1-one salts their preparation and use |
| WO2001040785A1 (fr) * | 1999-11-30 | 2001-06-07 | Electric Power Research Institute | Sondes d'electrophorese capillaire et procede correspondant |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1404928A (fr) * | 1963-08-24 | 1965-07-02 | Huels Chemische Werke Ag | Procédé de préparation du dicéto-cyclobutène-diol |
| DE1253266B (de) * | 1963-08-24 | 1967-11-02 | Huels Chemische Werke Ag | Verfahren zur Herstellung von Dioxocyclobutendiol |
| BE786650A (fr) * | 1971-07-24 | 1973-01-24 | Ercoli Raffaele | Procede de preparation de l'acide squarique |
-
1976
- 1976-05-28 DE DE2623836A patent/DE2623836C3/de not_active Expired
-
1977
- 1977-03-21 AU AU23433/77A patent/AU502227B2/en not_active Expired
- 1977-05-13 FR FR7714676A patent/FR2352778A1/fr active Granted
- 1977-05-19 US US05/798,546 patent/US4097530A/en not_active Expired - Lifetime
- 1977-05-23 SU SU772483402A patent/SU645549A3/ru active
- 1977-05-25 CA CA279,130A patent/CA1075717A/fr not_active Expired
- 1977-05-25 CS CS773457A patent/CS193095B2/cs unknown
- 1977-05-26 IT IT49563/77A patent/IT1079672B/it active
- 1977-05-26 CH CH651977A patent/CH629469A5/de not_active IP Right Cessation
- 1977-05-26 AT AT377177A patent/AT349445B/de not_active IP Right Cessation
- 1977-05-27 NO NO771871A patent/NO146278C/no unknown
- 1977-05-27 GB GB22451/77A patent/GB1574500A/en not_active Expired
- 1977-05-27 NL NL7705890A patent/NL7705890A/xx not_active Application Discontinuation
- 1977-05-27 JP JP6128877A patent/JPS52148046A/ja active Pending
- 1977-05-27 BE BE178018A patent/BE855165A/fr unknown
- 1977-05-27 SE SE7706262A patent/SE421787B/xx unknown
- 1977-05-27 BR BR7703445A patent/BR7703445A/pt unknown
- 1977-05-27 DK DK236677A patent/DK236677A/da not_active Application Discontinuation
- 1977-05-27 DD DD7700199184A patent/DD129774A1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE421787B (sv) | 1982-02-01 |
| AU2343377A (en) | 1978-09-28 |
| SU645549A3 (ru) | 1979-01-30 |
| CA1075717A (fr) | 1980-04-15 |
| JPS52148046A (en) | 1977-12-08 |
| NO146278C (no) | 1982-09-01 |
| IT1079672B (it) | 1985-05-13 |
| DD129774A1 (de) | 1978-02-08 |
| AU502227B2 (en) | 1979-07-19 |
| FR2352778A1 (fr) | 1977-12-23 |
| CS193095B2 (en) | 1979-09-17 |
| NO146278B (no) | 1982-05-24 |
| AT349445B (de) | 1979-04-10 |
| SE7706262L (sv) | 1977-11-29 |
| DE2623836B2 (de) | 1978-04-27 |
| NL7705890A (nl) | 1977-11-30 |
| GB1574500A (en) | 1980-09-10 |
| DE2623836C3 (de) | 1978-12-21 |
| US4097530A (en) | 1978-06-27 |
| DE2623836A1 (de) | 1977-12-01 |
| ATA377177A (de) | 1978-09-15 |
| NO771871L (no) | 1977-11-29 |
| DK236677A (da) | 1977-11-29 |
| FR2352778B1 (fr) | 1980-07-25 |
| CH629469A5 (de) | 1982-04-30 |
| BR7703445A (pt) | 1978-02-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BE879494A (fr) | Procede de production de l'oxymorphone | |
| BE882303A (fr) | Procede de production de l'acide methacrylique | |
| FR2328045A1 (fr) | Procede de production d'acide clavulanique | |
| BE858814A (fr) | Procede continu de production de l'acide terephtalique | |
| BE863808A (fr) | Procede de production de l'acide 5-methyltetrahydrofoliquded | |
| BE868207A (fr) | Procede de production d'acide nitrique | |
| BE857042A (fr) | Procede de regeneration d'acide sulfurique | |
| BE854859A (fr) | Procede de purification d'acide phosphorique | |
| BE830888A (fr) | Procede de production de l'acide phosphorique | |
| BE865682A (fr) | Procede de purification de l'acide terephtalique | |
| BE879359A (fr) | Procede de fabrication de l'acide parahydroxymandelique racemique | |
| BE855165A (fr) | Procede de production de l'acide quadrique | |
| BE846421A (fr) | Procede de production d'acide terephtalique | |
| FR2351083A1 (fr) | Procede de preparation d'acide 2-(amylbenzoyl)-benzoique | |
| BE866958A (fr) | Procede d'obtention d'acide adipique | |
| BE856582A (fr) | Procede de fabrication de l'acide phosphorique | |
| BE852148A (fr) | Procede de production d'hydrazobenzenes | |
| FR2353513A1 (fr) | Procede d'epuration de l'acide adipique | |
| BE861693A (fr) | Procede de reduction de l'acide 2,5-dicetogluconique | |
| FR2297829A1 (fr) | Procede de production d'acide l(+)-tartrique | |
| FR2316232A1 (fr) | Procede de preparation d'acide 5-alcoyl-picolique | |
| BE856559A (fr) | Procede de preparation d'acide isobutyrique | |
| BE872095A (fr) | Procede de production d'acide 2,5-dicetogluconique | |
| FR2348149A1 (fr) | Procede de regeneration d'acide sulfurique residuaire | |
| BE852340A (fr) | Procede de preparation d'arylamides de l'acide hydroxy-3 butyrique |