BG45387A3 - - Google Patents
Info
- Publication number
- BG45387A3 BG45387A3 BG8676699A BG7669983A BG45387A3 BG 45387 A3 BG45387 A3 BG 45387A3 BG 8676699 A BG8676699 A BG 8676699A BG 7669983 A BG7669983 A BG 7669983A BG 45387 A3 BG45387 A3 BG 45387A3
- Authority
- BG
- Bulgaria
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
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Plural Heterocyclic Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BG45387A3 true BG45387A3 (ru) | 1989-05-15 |
Family
ID=23749651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BG8676699A BG45387A3 (ru) | 1982-11-10 | 1983-11-09 |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4431828A (ru) |
| EP (1) | EP0111387B1 (ru) |
| BG (1) | BG45387A3 (ru) |
| CA (1) | CA1181754A (ru) |
| DE (1) | DE3362952D1 (ru) |
| HK (1) | HK99587A (ru) |
| HU (1) | HU191160B (ru) |
| IE (1) | IE56257B1 (ru) |
| MY (1) | MY8700730A (ru) |
| PH (1) | PH18265A (ru) |
| PL (1) | PL142777B1 (ru) |
| SG (1) | SG69887G (ru) |
| SU (1) | SU1240358A3 (ru) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US5340829A (en) * | 1984-11-20 | 1994-08-23 | Washington Research Foundation | Immunoregulatory agents |
| US4966911A (en) * | 1984-11-20 | 1990-10-30 | Washington Research Foundation | Immunoregulatory agents |
| US4841079A (en) * | 1987-08-07 | 1989-06-20 | Pfizer, Inc. | Process for the production of asymmetric hydantoins |
| US8579985B2 (en) | 2006-12-07 | 2013-11-12 | Ihip Surgical, Llc | Method and apparatus for hip replacement |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4130714A (en) * | 1977-05-23 | 1978-12-19 | Pfizer Inc. | Hydantoin therapeutic agents |
| US4286098A (en) * | 1980-03-28 | 1981-08-25 | Pfizer Inc. | Process for the preparation of chiral hydantoins |
-
1982
- 1982-11-10 US US06/440,657 patent/US4431828A/en not_active Expired - Fee Related
-
1983
- 1983-11-03 DE DE8383306689T patent/DE3362952D1/de not_active Expired
- 1983-11-03 EP EP83306689A patent/EP0111387B1/en not_active Expired
- 1983-11-08 PL PL1983250370A patent/PL142777B1/pl unknown
- 1983-11-08 CA CA000440673A patent/CA1181754A/en not_active Expired
- 1983-11-09 IE IE2620/83A patent/IE56257B1/en not_active IP Right Cessation
- 1983-11-09 HU HU842970A patent/HU191160B/hu not_active IP Right Cessation
- 1983-11-09 PH PH29805A patent/PH18265A/en unknown
- 1983-11-09 BG BG8676699A patent/BG45387A3/xx unknown
-
1984
- 1984-07-02 SU SU843757904A patent/SU1240358A3/ru active
-
1987
- 1987-08-27 SG SG698/87A patent/SG69887G/en unknown
- 1987-12-24 HK HK995/87A patent/HK99587A/xx unknown
- 1987-12-30 MY MY730/87A patent/MY8700730A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE3362952D1 (en) | 1986-05-15 |
| US4431828A (en) | 1984-02-14 |
| HU191160B (en) | 1987-01-28 |
| EP0111387B1 (en) | 1986-04-09 |
| MY8700730A (en) | 1987-12-31 |
| PH18265A (en) | 1985-05-14 |
| HUT36110A (en) | 1985-08-28 |
| IE56257B1 (en) | 1991-06-05 |
| HK99587A (en) | 1987-12-31 |
| PL250370A1 (en) | 1985-06-04 |
| CA1181754A (en) | 1985-01-29 |
| EP0111387A1 (en) | 1984-06-20 |
| SG69887G (en) | 1988-02-19 |
| IE832620L (en) | 1984-05-10 |
| PL142777B1 (en) | 1987-11-30 |
| SU1240358A3 (ru) | 1986-06-23 |