DD216460A5 - Verfahren zur herstellung von piroxicam und zu diesem fuehrende zwischenstufen - Google Patents
Verfahren zur herstellung von piroxicam und zu diesem fuehrende zwischenstufen Download PDFInfo
- Publication number
- DD216460A5 DD216460A5 DD82257459A DD25745982A DD216460A5 DD 216460 A5 DD216460 A5 DD 216460A5 DD 82257459 A DD82257459 A DD 82257459A DD 25745982 A DD25745982 A DD 25745982A DD 216460 A5 DD216460 A5 DD 216460A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- methyl
- hydroxy
- piroxicam
- och
- benzothiazine
- 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
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Plural Heterocyclic Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Cephalosporin Compounds (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members (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)
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 |
---|---|
DD216460A5 true DD216460A5 (de) | 1984-12-12 |
Family
ID=26976430
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DD82243802A DD203051A5 (de) | 1981-10-05 | 1982-10-05 | Verfahren zur herstellung von piroxicam |
DD82257459A DD216460A5 (de) | 1981-10-05 | 1982-10-05 | Verfahren zur herstellung von piroxicam und zu diesem fuehrende zwischenstufen |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DD82243802A DD203051A5 (de) | 1981-10-05 | 1982-10-05 | Verfahren zur herstellung von piroxicam |
Country Status (27)
Country | Link |
---|---|
EP (1) | EP0076643B1 (pl) |
KR (1) | KR850001223B1 (pl) |
AT (1) | ATE11916T1 (pl) |
AU (1) | AU534759B2 (pl) |
BG (2) | BG40811A3 (pl) |
CA (1) | CA1187873A (pl) |
DD (2) | DD203051A5 (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) | PL136540B1 (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 |
---|---|---|---|---|
NZ502670A (en) | 1997-09-05 | 2003-01-31 | Warner Lambert Co | Certain benzothiazine 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 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 GR GR69420A patent/GR77345B/el unknown
- 1982-10-01 PT PT75642A patent/PT75642B/pt not_active IP Right Cessation
- 1982-10-04 NO NO823330A patent/NO157140C/no unknown
- 1982-10-04 BG BG8361608A patent/BG40811A3/xx unknown
- 1982-10-04 RO RO112350A patent/RO86733B/ro unknown
- 1982-10-04 BG BG8258162A patent/BG40812A3/xx unknown
- 1982-10-04 ES ES516208A patent/ES516208A0/es active Granted
- 1982-10-04 DK DK439482A patent/DK154646C/da not_active IP Right Cessation
- 1982-10-04 RO RO108738A patent/RO84510B/ro unknown
- 1982-10-04 CA CA000412724A patent/CA1187873A/en not_active Expired
- 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 YU YU2228/82A patent/YU42804B/xx unknown
- 1982-10-04 IE IE2393/82A patent/IE53957B1/en not_active IP Right Cessation
- 1982-10-05 DD DD82243802A patent/DD203051A5/de not_active IP Right Cessation
- 1982-10-05 HU HU823194A patent/HU186977B/hu not_active IP Right Cessation
- 1982-10-05 PL PL1982244761A patent/PL136540B1/pl unknown
- 1982-10-05 EG EG594/82A patent/EG15847A/xx active
- 1982-10-05 PL PL1982238506A patent/PL136931B1/pl unknown
- 1982-10-05 DD DD82257459A patent/DD216460A5/de not_active IP Right Cessation
- 1982-10-05 KR KR8204482A patent/KR850001223B1/ko active
-
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
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0176846B1 (de) | 3-Amino-2-benzoyl-acrylsäurederivate und ein Verfahren zu ihrer Herstellung | |
DE3840954A1 (de) | Herstellung von 2-chlornicotinsaeureestern | |
DE3135125C2 (pl) | ||
DE60006054T2 (de) | Herstellungsverfahren für Pyridinderivate | |
DD280323A5 (de) | Herstellung von zwischenprodukten der oxophthalazinyl-essigsaeuren mit benzothiazol- oder anderen heterocyclischen seitenketten | |
DE2356903A1 (de) | Verfahren zur herstellung substituierter chromon-3-carbonitrile, -carboxamide und -carbonsaeuren | |
DE2824575A1 (de) | 1,3-dithietan-2-carbonsaeuren sowie verfahren zu ihrer herstellung | |
DE2119730B2 (de) | Verfahren zur herstellung von 1,2-benzisothiazolin-3-onen | |
DE3850240T2 (de) | Verfahren zur Herstellung von O-Carboxyarylimidazolinone. | |
DD216460A5 (de) | Verfahren zur herstellung von piroxicam und zu diesem fuehrende zwischenstufen | |
CH634312A5 (de) | Verfahren zur herstellung von 3,4-dihydro-2-methyl-4-oxo-2h-1,2-benzothiazin-3-carbonsaeure-1,1-dioxid. | |
DE2534926A1 (de) | Sauerstoffanaloge von cephalosporinen | |
CH638516A5 (en) | Process for preparing substituted aminoquinazoline derivatives | |
DE4426373A1 (de) | 3-Substituierte Chinolin-5-carbonsäurederivate und Verfahren zu ihrer Herstellung | |
DE69024159T2 (de) | 3-Aroyl-2-Oxindol-1-Carboxamide | |
EP0702007B1 (de) | Verfahren zur Herstellung von Chinazolin-2,4-dionen | |
DD299058A5 (de) | Verfahren zur herstellung von n-acyl-4-phenyl-pyrrolidin-2-onen mit cerebroprotektiver wirkung | |
DE60001615T2 (de) | Verfahren zur Herstellung von trisubstituierten Oxazolen | |
CH634555A5 (de) | Verfahren zur herstellung von mit nocardicin verwandten azetidinonen. | |
DE2362687A1 (de) | Verfahren zur razematspaltung von d,l-penicillamin | |
EP0312844B1 (de) | Cephalosporinzwischenprodukte, Verfahren zu ihrer Herstellung und ihre Verwendung | |
EP0056938A2 (de) | Verfahren zur Herstellung von 3,6-disubstituierten 4-Amino-1,2,4-triazin-5-onen | |
AT387772B (de) | Verfahren zur herstellung neuer organischer verbindungen | |
AT274802B (de) | Verfahren zur Herstellung von Indolderivaten | |
DE2113254C3 (de) | Verfahren zur Herstellung von γ-Piperidinoburyrophenonderivaten |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ENJ | Ceased due to non-payment of renewal fee |