BG45388A3 - - Google Patents
Info
- Publication number
- BG45388A3 BG45388A3 BG8676698A BG7669883A BG45388A3 BG 45388 A3 BG45388 A3 BG 45388A3 BG 8676698 A BG8676698 A BG 8676698A BG 7669883 A BG7669883 A BG 7669883A BG 45388 A3 BG45388 A3 BG 45388A3
- Authority
- BG
- Bulgaria
- Prior art keywords
- fluoro
- carboxylic acid
- ureidoch
- teromeric
- ureidochroman
- Prior art date
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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
- C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
- C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
- C07D311/68—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4 with nitrogen atoms directly attached in position 4
Landscapes
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Pyrane Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
- Hydrogenated Pyridines (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Control Of Turbines (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Saccharide Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 (1)
| Publication Number | Publication Date |
|---|---|
| BG45388A3 true BG45388A3 (xx) | 1989-05-15 |
Family
ID=23749580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BG8676698A BG45388A3 (xx) | 1982-11-10 | 1983-11-09 |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4435578A (xx) |
| EP (1) | EP0109232B1 (xx) |
| JP (4) | JPS59101491A (xx) |
| AT (1) | ATE23044T1 (xx) |
| BG (1) | BG45388A3 (xx) |
| CA (1) | CA1202034A (xx) |
| DE (1) | DE3367099D1 (xx) |
| GT (1) | GT198303963A (xx) |
| HU (1) | HU191708B (xx) |
| IE (1) | IE56256B1 (xx) |
| PH (1) | PH18843A (xx) |
| PL (1) | PL143960B1 (xx) |
| SU (1) | SU1282816A3 (xx) |
| ZA (1) | ZA838336B (xx) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0172719B1 (en) * | 1984-08-20 | 1988-09-21 | Pfizer Inc. | Process for the production as asymmetric hydantoins |
| US4620019A (en) * | 1984-08-23 | 1986-10-28 | Pfizer Inc. | S-6-fluoro-4-aminochroman-4-carboxylic acid derivatives useful as intermediates for sorbinil |
| US4551542A (en) * | 1984-09-26 | 1985-11-05 | Pfizer Inc. | Regeneration of 6-fluoro-4-chromanone from 6-fluoro-4-ureidochroman-4-carboxylic acid |
| WO1986007353A1 (en) | 1985-06-14 | 1986-12-18 | Pfizer Inc. | Intermediate in the production of an asymmetric hydantoin |
| US4841079A (en) * | 1987-08-07 | 1989-06-20 | Pfizer, Inc. | Process for the production of asymmetric hydantoins |
| US5206367A (en) * | 1992-02-18 | 1993-04-27 | Pfizer Inc. | Preparation of optically active spiro-hydantoins |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4286098A (en) * | 1980-03-28 | 1981-08-25 | Pfizer Inc. | Process for the preparation of chiral hydantoins |
-
1982
- 1982-11-10 US US06/440,641 patent/US4435578A/en not_active Expired - Fee Related
-
1983
- 1983-11-03 EP EP83306691A patent/EP0109232B1/en not_active Expired
- 1983-11-03 DE DE8383306691T patent/DE3367099D1/de not_active Expired
- 1983-11-03 AT AT83306691T patent/ATE23044T1/de not_active IP Right Cessation
- 1983-11-07 GT GT198303963A patent/GT198303963A/es unknown
- 1983-11-08 PL PL1983250369A patent/PL143960B1/pl unknown
- 1983-11-08 CA CA000440665A patent/CA1202034A/en not_active Expired
- 1983-11-09 BG BG8676698A patent/BG45388A3/xx unknown
- 1983-11-09 ZA ZA838336A patent/ZA838336B/xx unknown
- 1983-11-09 PH PH29804A patent/PH18843A/en unknown
- 1983-11-09 IE IE2619/83A patent/IE56256B1/en not_active IP Right Cessation
- 1983-11-09 HU HU832969A patent/HU191708B/hu not_active IP Right Cessation
- 1983-11-10 JP JP58211674A patent/JPS59101491A/ja active Granted
-
1984
- 1984-06-29 SU SU843754142A patent/SU1282816A3/ru active
-
1988
- 1988-01-27 JP JP63016772A patent/JPS63211281A/ja active Granted
- 1988-01-27 JP JP63016774A patent/JPS63211282A/ja active Granted
- 1988-01-27 JP JP63016773A patent/JPS63211278A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| PL143960B1 (en) | 1988-03-31 |
| EP0109232A1 (en) | 1984-05-23 |
| GT198303963A (es) | 1985-04-30 |
| JPH032866B2 (xx) | 1991-01-17 |
| US4435578A (en) | 1984-03-06 |
| HU191708B (en) | 1987-03-30 |
| JPH0248555B2 (xx) | 1990-10-25 |
| IE832619L (en) | 1984-05-10 |
| ATE23044T1 (de) | 1986-11-15 |
| SU1282816A3 (ru) | 1987-01-07 |
| IE56256B1 (en) | 1991-06-05 |
| DE3367099D1 (en) | 1986-11-27 |
| PL250369A1 (en) | 1985-09-24 |
| HUT36124A (en) | 1985-08-28 |
| PH18843A (en) | 1985-10-10 |
| JPS6344755B2 (xx) | 1988-09-06 |
| JPS63211281A (ja) | 1988-09-02 |
| JPS59101491A (ja) | 1984-06-12 |
| JPH0244832B2 (xx) | 1990-10-05 |
| EP0109232B1 (en) | 1986-10-22 |
| ZA838336B (en) | 1985-06-26 |
| CA1202034A (en) | 1986-03-18 |
| JPS63211278A (ja) | 1988-09-02 |
| JPS63211282A (ja) | 1988-09-02 |
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