IL66921A0 - Processes for preparing piroxicam and intermediates used therein - Google Patents
Processes for preparing piroxicam and intermediates used thereinInfo
- Publication number
- IL66921A0 IL66921A0 IL66921A IL6692182A IL66921A0 IL 66921 A0 IL66921 A0 IL 66921A0 IL 66921 A IL66921 A IL 66921A IL 6692182 A IL6692182 A IL 6692182A IL 66921 A0 IL66921 A0 IL 66921A0
- Authority
- IL
- Israel
- Prior art keywords
- piroxicam
- alkyl
- processes
- hydroxy
- methyl
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D279/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom and one sulfur atom as the only ring hetero atoms
- C07D279/04—1,3-Thiazines; Hydrogenated 1,3-thiazines
- C07D279/08—1,3-Thiazines; Hydrogenated 1,3-thiazines condensed with carbocyclic rings or ring systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/72—Nitrogen atoms
- C07D213/75—Amino or imino radicals, acylated by carboxylic or carbonic acids, or by sulfur or nitrogen analogues thereof, e.g. carbamates
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D275/00—Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings
- C07D275/04—Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings condensed with carbocyclic rings or ring systems
- C07D275/06—Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings condensed with carbocyclic rings or ring systems with hetero atoms directly attached to the ring sulfur atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D279/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom and one sulfur atom as the only ring hetero atoms
- C07D279/02—1,2-Thiazines; Hydrogenated 1,2-thiazines
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
- C07D417/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
- C07D417/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings linked by a chain containing hetero atoms as chain links
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IL7638982A IL76389A (en) | 1981-10-05 | 1982-09-30 | Preparation of esters of 2h-1,2-benzothiazine-3-carboxylic acid 1,1-dioxide useful as intermediates for preparing piroxicam and certain novel 2-(2-methyl-3-hydroxy-2-3-dihydro-1,2-benzisoxazol-3-yl)-2-haloacetates used as starting materials therefor |
| IL76389A IL76389A0 (en) | 1981-10-05 | 1985-09-13 | Preparation of esters of 2h-1,2-benzothiazine-3-carboxylic acid 1,1-dioxide useful as intermediates for preparing piroxicam and certain novel 2-(2-methyl-3-hydroxy-2,3-dihydro-1,2-benzisosulfonazol-3-yl)-2-haloacetates used as starting materials therefor |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/308,746 US4376204A (en) | 1981-10-05 | 1981-10-05 | 3-Hydroxy 2-methyl benzisothiazolines as intermediates in production of piroxicam |
| US41303682A | 1982-09-02 | 1982-09-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IL66921A0 true IL66921A0 (en) | 1982-12-31 |
Family
ID=26976430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL66921A IL66921A0 (en) | 1981-10-05 | 1982-09-30 | Processes for preparing piroxicam and intermediates used therein |
Country Status (27)
| Country | Link |
|---|---|
| EP (1) | EP0076643B1 (pl) |
| KR (1) | KR850001223B1 (pl) |
| AT (1) | ATE11916T1 (pl) |
| AU (1) | AU534759B2 (pl) |
| BG (2) | BG40812A3 (pl) |
| CA (1) | CA1187873A (pl) |
| DD (2) | DD216460A5 (pl) |
| DE (1) | DE3262440D1 (pl) |
| DK (2) | DK154646C (pl) |
| EG (1) | EG15847A (pl) |
| ES (2) | ES516208A0 (pl) |
| FI (1) | FI75342C (pl) |
| GR (1) | GR77345B (pl) |
| HK (1) | HK52687A (pl) |
| HU (1) | HU186977B (pl) |
| IE (1) | IE53957B1 (pl) |
| IL (1) | IL66921A0 (pl) |
| IN (1) | IN159273B (pl) |
| MY (1) | MY8700510A (pl) |
| NO (1) | NO157140C (pl) |
| NZ (1) | NZ202062A (pl) |
| PH (2) | PH17991A (pl) |
| PL (2) | PL136931B1 (pl) |
| PT (1) | PT75642B (pl) |
| RO (2) | RO86733B (pl) |
| SG (1) | SG22987G (pl) |
| YU (2) | YU42804B (pl) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001515893A (ja) | 1997-09-05 | 2001-09-25 | ワーナー−ランバート・カンパニー | 特定のベンゾチアジンジオキシドエンドセリンアンタゴニスト類およびその製造方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3591584A (en) * | 1968-08-27 | 1971-07-06 | Pfizer | Benzothiazine dioxides |
| US3853862A (en) * | 1973-04-23 | 1974-12-10 | Pfizer | Production of 4-hydroxy-1,2-benzothiazine-3-carboxamides |
| US3891637A (en) * | 1974-10-01 | 1975-06-24 | Pfizer | Process for the production of carboxamides of oxo-1,2-benzothiazine-1,1-dioxides |
| US3892740A (en) * | 1974-10-15 | 1975-07-01 | Pfizer | Process for the production of carboxamides of oxo-1,2-benzothiazine-1,1-dioxides |
| US3960856A (en) * | 1975-06-20 | 1976-06-01 | Warner-Lambert Company | Process for the preparation of 4-hydroxy-3-(5-methyl-3-isoxazolylcarbamoyl)-2-methyl-2H-1,2-benzothiazine 1,1-dioxide |
| SE421792B (sv) * | 1976-01-12 | 1982-02-01 | Pfizer | Forfarande for framstellning av n-(2-pyridyl)-4-hydroxi-2-metyl-2h-1,2-benso-tiazin-3-karboxamid-1,1-dioxid |
| US4074048A (en) * | 1976-05-10 | 1978-02-14 | Warner-Lambert Company | Process for the preparation of 4-hydroxy-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxides |
| US4100347A (en) * | 1976-06-10 | 1978-07-11 | Pfizer Inc. | 3,4-Dihydro-2-methyl-4-oxo-2H-1,2-benzothiazine-3-carboxylic acid-1,1-dioxide |
| US4289879A (en) * | 1980-09-29 | 1981-09-15 | Pfizer Inc. | Synthetic method and intermediate for piroxicam |
-
1982
- 1982-09-22 IN IN719/DEL/82A patent/IN159273B/en unknown
- 1982-09-29 DE DE8282305174T patent/DE3262440D1/de not_active Expired
- 1982-09-29 EP EP82305174A patent/EP0076643B1/en not_active Expired
- 1982-09-29 AT AT82305174T patent/ATE11916T1/de not_active IP Right Cessation
- 1982-09-30 IL IL66921A patent/IL66921A0/xx not_active IP Right Cessation
- 1982-09-30 AU AU88917/82A patent/AU534759B2/en not_active Ceased
- 1982-10-01 NZ NZ202062A patent/NZ202062A/en unknown
- 1982-10-01 PT PT75642A patent/PT75642B/pt not_active IP Right Cessation
- 1982-10-01 GR GR69420A patent/GR77345B/el unknown
- 1982-10-04 RO RO112350A patent/RO86733B/ro unknown
- 1982-10-04 BG BG8258162A patent/BG40812A3/xx unknown
- 1982-10-04 IE IE2393/82A patent/IE53957B1/en not_active IP Right Cessation
- 1982-10-04 ES ES516208A patent/ES516208A0/es active Granted
- 1982-10-04 BG BG8361608A patent/BG40811A3/xx unknown
- 1982-10-04 YU YU2228/82A patent/YU42804B/xx unknown
- 1982-10-04 FI FI823366A patent/FI75342C/fi not_active IP Right Cessation
- 1982-10-04 PH PH27950A patent/PH17991A/en unknown
- 1982-10-04 RO RO108738A patent/RO84510B/ro unknown
- 1982-10-04 NO NO823330A patent/NO157140C/no unknown
- 1982-10-04 CA CA000412724A patent/CA1187873A/en not_active Expired
- 1982-10-04 DK DK439482A patent/DK154646C/da not_active IP Right Cessation
- 1982-10-05 DD DD82257459A patent/DD216460A5/de not_active IP Right Cessation
- 1982-10-05 EG EG594/82A patent/EG15847A/xx active
- 1982-10-05 PL PL1982238506A patent/PL136931B1/pl unknown
- 1982-10-05 PL PL1982244761A patent/PL136540B1/pl unknown
- 1982-10-05 KR KR8204482A patent/KR850001223B1/ko active
- 1982-10-05 HU HU823194A patent/HU186977B/hu not_active IP Right Cessation
- 1982-10-05 DD DD82243802A patent/DD203051A5/de not_active IP Right Cessation
-
1983
- 1983-05-27 ES ES522788A patent/ES8407034A1/es not_active Expired
-
1984
- 1984-06-07 PH PH30790-AA patent/PH19297A/en unknown
- 1984-09-10 YU YU1560/84A patent/YU42903B/xx unknown
-
1987
- 1987-03-09 SG SG229/87A patent/SG22987G/en unknown
- 1987-07-09 HK HK526/87A patent/HK52687A/xx unknown
- 1987-12-30 MY MY510/87A patent/MY8700510A/xx unknown
-
1988
- 1988-04-14 DK DK204888A patent/DK154139C/da not_active IP Right Cessation
Also Published As
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RH | Patent void |