ES534921A0 - Un procedimiento para la regeneracion de 6-fluor-4-cromanona purificada - Google Patents
Un procedimiento para la regeneracion de 6-fluor-4-cromanona purificadaInfo
- Publication number
- ES534921A0 ES534921A0 ES534921A ES534921A ES534921A0 ES 534921 A0 ES534921 A0 ES 534921A0 ES 534921 A ES534921 A ES 534921A ES 534921 A ES534921 A ES 534921A ES 534921 A0 ES534921 A0 ES 534921A0
- Authority
- ES
- Spain
- Prior art keywords
- chromanone
- fluor
- regeneration
- purified
- procedure
- 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
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
- C07D491/10—Spiro-condensed systems
- C07D491/107—Spiro-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Hydrogenated Pyridines (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US44068682A | 1982-11-10 | 1982-11-10 | |
| US06/440,657 US4431828A (en) | 1982-11-10 | 1982-11-10 | Regeneration of 6-fluoro-4-chromanone from by-products in the synthesis of sorbinil |
| US06/440,641 US4435578A (en) | 1982-11-10 | 1982-11-10 | Sorbinil by optical resolution of precursor 6-fluoro-4-ureidochroman-4-carboxylic acid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES8505988A1 ES8505988A1 (es) | 1985-06-16 |
| ES534921A0 true ES534921A0 (es) | 1985-06-16 |
Family
ID=27412063
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES527118A Expired ES8506040A1 (es) | 1982-11-10 | 1983-11-08 | Un procedimiento de preparacion de sorbinil o una sal cationica farmaceuticamente aceptable del mismo |
| ES534921A Granted ES534921A0 (es) | 1982-11-10 | 1984-08-06 | Un procedimiento para la regeneracion de 6-fluor-4-cromanona purificada |
| ES534920A Expired ES8600269A1 (es) | 1982-11-10 | 1984-08-06 | Un procedimiento para la preparacion de una sal cristalina del acido s-6-fluor-4-ureidocroman-4-carboxilico |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES527118A Expired ES8506040A1 (es) | 1982-11-10 | 1983-11-08 | Un procedimiento de preparacion de sorbinil o una sal cationica farmaceuticamente aceptable del mismo |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES534920A Expired ES8600269A1 (es) | 1982-11-10 | 1984-08-06 | Un procedimiento para la preparacion de una sal cristalina del acido s-6-fluor-4-ureidocroman-4-carboxilico |
Country Status (16)
| Country | Link |
|---|---|
| KR (1) | KR870000867B1 (es) |
| AU (1) | AU540399B2 (es) |
| BG (1) | BG44206A3 (es) |
| CS (1) | CS266560B2 (es) |
| DD (1) | DD213924A5 (es) |
| DK (1) | DK512683A (es) |
| ES (3) | ES8506040A1 (es) |
| FI (1) | FI77247C (es) |
| GR (1) | GR79017B (es) |
| IL (2) | IL70165A (es) |
| NO (1) | NO161916C (es) |
| NZ (1) | NZ206189A (es) |
| PL (1) | PL139713B1 (es) |
| PT (1) | PT77617B (es) |
| SU (1) | SU1209030A3 (es) |
| YU (2) | YU44867B (es) |
-
1983
- 1983-11-07 PT PT77617A patent/PT77617B/pt not_active IP Right Cessation
- 1983-11-07 GR GR72904A patent/GR79017B/el unknown
- 1983-11-07 YU YU2203/83A patent/YU44867B/xx unknown
- 1983-11-08 NZ NZ206189A patent/NZ206189A/en unknown
- 1983-11-08 KR KR1019830005294A patent/KR870000867B1/ko not_active IP Right Cessation
- 1983-11-08 PL PL1983244460A patent/PL139713B1/pl unknown
- 1983-11-08 ES ES527118A patent/ES8506040A1/es not_active Expired
- 1983-11-08 FI FI834088A patent/FI77247C/fi not_active IP Right Cessation
- 1983-11-08 DD DD83256455A patent/DD213924A5/de not_active IP Right Cessation
- 1983-11-08 IL IL70165A patent/IL70165A/xx unknown
- 1983-11-09 CS CS838271A patent/CS266560B2/cs unknown
- 1983-11-09 NO NO834086A patent/NO161916C/no unknown
- 1983-11-09 AU AU21105/83A patent/AU540399B2/en not_active Ceased
- 1983-11-09 BG BG8362988A patent/BG44206A3/xx unknown
- 1983-11-09 SU SU833659625A patent/SU1209030A3/ru active
- 1983-11-09 DK DK512683A patent/DK512683A/da not_active Application Discontinuation
-
1984
- 1984-08-06 ES ES534921A patent/ES534921A0/es active Granted
- 1984-08-06 ES ES534920A patent/ES8600269A1/es not_active Expired
-
1985
- 1985-09-09 YU YU1409/85A patent/YU43883B/xx unknown
-
1987
- 1987-02-23 IL IL81648A patent/IL81648A0/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| YU220383A (en) | 1988-02-29 |
| NO161916B (no) | 1989-07-03 |
| SU1209030A3 (ru) | 1986-01-30 |
| ES534920A0 (es) | 1985-09-16 |
| NO834086L (no) | 1984-05-11 |
| CS266560B2 (en) | 1990-01-12 |
| PL244460A1 (en) | 1985-03-26 |
| FI77247B (fi) | 1988-10-31 |
| ES527118A0 (es) | 1985-06-16 |
| PL139713B1 (en) | 1987-02-28 |
| YU44867B (en) | 1991-04-30 |
| DD213924A5 (de) | 1984-09-26 |
| FI834088A0 (fi) | 1983-11-08 |
| IL70165A (en) | 1987-12-20 |
| CS827183A2 (en) | 1989-04-14 |
| PT77617A (en) | 1983-12-01 |
| AU2110583A (en) | 1984-05-17 |
| NZ206189A (en) | 1987-06-30 |
| IL81648A0 (en) | 1987-09-16 |
| ES8506040A1 (es) | 1985-06-16 |
| GR79017B (es) | 1984-10-02 |
| IL70165A0 (en) | 1984-02-29 |
| FI77247C (fi) | 1989-02-10 |
| ES8600269A1 (es) | 1985-09-16 |
| KR870000867B1 (ko) | 1987-04-30 |
| FI834088A (fi) | 1984-05-11 |
| AU540399B2 (en) | 1984-11-15 |
| ES8505988A1 (es) | 1985-06-16 |
| BG44206A3 (en) | 1988-10-14 |
| YU140985A (en) | 1986-04-30 |
| DK512683D0 (da) | 1983-11-09 |
| PT77617B (en) | 1986-05-12 |
| DK512683A (da) | 1984-05-11 |
| KR840006806A (ko) | 1984-12-03 |
| NO161916C (no) | 1989-10-11 |
| YU43883B (en) | 1989-12-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FD1A | Patent lapsed |
Effective date: 19970203 |