NO156899C - Fremgangsmaate for fremstilling av 1,2-benzotiazin-3-karboksylat-1,1-dioksyder som er mellomprodukter for fremstilling av piroxicam. - Google Patents
Fremgangsmaate for fremstilling av 1,2-benzotiazin-3-karboksylat-1,1-dioksyder som er mellomprodukter for fremstilling av piroxicam.Info
- Publication number
- NO156899C NO156899C NO85854769A NO854769A NO156899C NO 156899 C NO156899 C NO 156899C NO 85854769 A NO85854769 A NO 85854769A NO 854769 A NO854769 A NO 854769A NO 156899 C NO156899 C NO 156899C
- Authority
- NO
- Norway
- Prior art keywords
- preparation
- dioxyds
- benzotiazin
- piroxicam
- intermediates
- Prior art date
Links
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (3)
| 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 | |
| NO823330A NO157140C (no) | 1981-10-05 | 1982-10-04 | Fremgangsmaate for fremstilling av piroxicam og visse mellomprodukter som kan overfoeres til piroxicam. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO854769L NO854769L (no) | 1983-04-06 |
| NO156899B NO156899B (no) | 1987-09-07 |
| NO156899C true NO156899C (no) | 1987-12-16 |
Family
ID=40134826
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO85854770A NO157139C (no) | 1981-10-05 | 1985-11-28 | 1,2-benzotiazin-3-karboksylat-1,1-dioksyder som er mellomprodukter for fremstilling av piroxicam. |
| 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. |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO85854770A NO157139C (no) | 1981-10-05 | 1985-11-28 | 1,2-benzotiazin-3-karboksylat-1,1-dioksyder som er mellomprodukter for fremstilling av piroxicam. |
Country Status (1)
| Country | Link |
|---|---|
| NO (2) | NO157139C (no) |
-
1985
- 1985-11-28 NO NO85854770A patent/NO157139C/no unknown
- 1985-11-28 NO NO85854769A patent/NO156899C/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO854769L (no) | 1983-04-06 |
| NO157139C (no) | 1988-02-03 |
| NO156899B (no) | 1987-09-07 |
| NO157139B (no) | 1987-10-19 |
| NO854770L (no) | 1983-04-06 |
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