NO157139C - 1,2-benzotiazin-3-karboksylat-1,1-dioksyder som er mellomprodukter for fremstilling av piroxicam. - Google Patents
1,2-benzotiazin-3-karboksylat-1,1-dioksyder som er mellomprodukter for fremstilling av piroxicam.Info
- Publication number
- NO157139C NO157139C NO85854770A NO854770A NO157139C NO 157139 C NO157139 C NO 157139C NO 85854770 A NO85854770 A NO 85854770A NO 854770 A NO854770 A NO 854770A NO 157139 C NO157139 C NO 157139C
- Authority
- NO
- Norway
- Prior art keywords
- dioxyds
- benzotiazin
- piroxicam
- carboxylate
- preparation
- 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 |
---|---|
NO854770L NO854770L (no) | 1983-04-06 |
NO157139B NO157139B (no) | 1987-10-19 |
NO157139C true NO157139C (no) | 1988-02-03 |
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 After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
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. |
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 |
---|---|
NO156899C (no) | 1987-12-16 |
NO157139B (no) | 1987-10-19 |
NO156899B (no) | 1987-09-07 |
NO854770L (no) | 1983-04-06 |
NO854769L (no) | 1983-04-06 |
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