NO823330L - Fremgangsmaate for fremstilling av piroxicam. - Google Patents
Fremgangsmaate for fremstilling av piroxicam.Info
- Publication number
- NO823330L NO823330L NO823330A NO823330A NO823330L NO 823330 L NO823330 L NO 823330L NO 823330 A NO823330 A NO 823330A NO 823330 A NO823330 A NO 823330A NO 823330 L NO823330 L NO 823330L
- Authority
- NO
- Norway
- Prior art keywords
- piroxicam
- alkyl
- hydroxy
- methyl
- preparation
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Plural Heterocyclic Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Cephalosporin Compounds (AREA)
- Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Compounds Of Unknown Constitution (AREA)
- Pyridine Compounds (AREA)
- Thiazole And Isothizaole Compounds (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO85854769A NO156899C (no) | 1981-10-05 | 1985-11-28 | Fremgangsmaate for fremstilling av 1,2-benzotiazin-3-karboksylat-1,1-dioksyder som er mellomprodukter for fremstilling av piroxicam. |
NO85854770A NO157139C (no) | 1981-10-05 | 1985-11-28 | 1,2-benzotiazin-3-karboksylat-1,1-dioksyder som er mellomprodukter for fremstilling av piroxicam. |
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 (3)
Publication Number | Publication Date |
---|---|
NO823330L true NO823330L (no) | 1983-04-06 |
NO157140B NO157140B (no) | 1987-10-19 |
NO157140C NO157140C (no) | 1988-02-03 |
Family
ID=26976430
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO823330A NO157140C (no) | 1981-10-05 | 1982-10-04 | Fremgangsmaate for fremstilling av piroxicam og visse mellomprodukter som kan overfoeres til piroxicam. |
Country Status (27)
Country | Link |
---|---|
EP (1) | EP0076643B1 (no) |
KR (1) | KR850001223B1 (no) |
AT (1) | ATE11916T1 (no) |
AU (1) | AU534759B2 (no) |
BG (2) | BG40811A3 (no) |
CA (1) | CA1187873A (no) |
DD (2) | DD203051A5 (no) |
DE (1) | DE3262440D1 (no) |
DK (2) | DK154646C (no) |
EG (1) | EG15847A (no) |
ES (2) | ES8400418A1 (no) |
FI (1) | FI75342C (no) |
GR (1) | GR77345B (no) |
HK (1) | HK52687A (no) |
HU (1) | HU186977B (no) |
IE (1) | IE53957B1 (no) |
IL (1) | IL66921A0 (no) |
IN (1) | IN159273B (no) |
MY (1) | MY8700510A (no) |
NO (1) | NO157140C (no) |
NZ (1) | NZ202062A (no) |
PH (2) | PH17991A (no) |
PL (2) | PL136540B1 (no) |
PT (1) | PT75642B (no) |
RO (2) | RO84510B (no) |
SG (1) | SG22987G (no) |
YU (2) | YU42804B (no) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL134057A0 (en) | 1997-09-05 | 2001-04-30 | Warner Lambert Co | Certain bezothiazine dioxide endothelin antagonists and processes for their preparation |
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 AT AT82305174T patent/ATE11916T1/de not_active IP Right Cessation
- 1982-09-29 EP EP82305174A patent/EP0076643B1/en not_active Expired
- 1982-09-29 DE DE8282305174T patent/DE3262440D1/de not_active Expired
- 1982-09-30 AU AU88917/82A patent/AU534759B2/en not_active Ceased
- 1982-09-30 IL IL66921A patent/IL66921A0/xx not_active IP Right Cessation
- 1982-10-01 PT PT75642A patent/PT75642B/pt not_active IP Right Cessation
- 1982-10-01 NZ NZ202062A patent/NZ202062A/en unknown
- 1982-10-01 GR GR69420A patent/GR77345B/el unknown
- 1982-10-04 IE IE2393/82A patent/IE53957B1/en not_active IP Right Cessation
- 1982-10-04 CA CA000412724A patent/CA1187873A/en not_active Expired
- 1982-10-04 RO RO108738A patent/RO84510B/ro unknown
- 1982-10-04 YU YU2228/82A patent/YU42804B/xx unknown
- 1982-10-04 DK DK439482A patent/DK154646C/da not_active IP Right Cessation
- 1982-10-04 BG BG8361608A patent/BG40811A3/xx unknown
- 1982-10-04 NO NO823330A patent/NO157140C/no unknown
- 1982-10-04 BG BG8258162A patent/BG40812A3/xx unknown
- 1982-10-04 PH PH27950A patent/PH17991A/en unknown
- 1982-10-04 ES ES516208A patent/ES8400418A1/es not_active Expired
- 1982-10-04 RO RO112350A patent/RO86733B/ro unknown
- 1982-10-04 FI FI823366A patent/FI75342C/fi not_active IP Right Cessation
- 1982-10-05 EG EG594/82A patent/EG15847A/xx active
- 1982-10-05 PL PL1982244761A patent/PL136540B1/pl unknown
- 1982-10-05 DD DD82243802A patent/DD203051A5/de not_active IP Right Cessation
- 1982-10-05 KR KR8204482A patent/KR850001223B1/ko active
- 1982-10-05 PL PL1982238506A patent/PL136931B1/pl unknown
- 1982-10-05 HU HU823194A patent/HU186977B/hu not_active IP Right Cessation
- 1982-10-05 DD DD82257459A patent/DD216460A5/de not_active IP Right Cessation
-
1983
- 1983-05-27 ES ES522788A patent/ES522788A0/es active Granted
-
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
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