GB1348607A - Benzothienopyrans and the manufacture thereof - Google Patents
Benzothienopyrans and the manufacture thereofInfo
- Publication number
- GB1348607A GB1348607A GB2188672A GB2188672A GB1348607A GB 1348607 A GB1348607 A GB 1348607A GB 2188672 A GB2188672 A GB 2188672A GB 2188672 A GB2188672 A GB 2188672A GB 1348607 A GB1348607 A GB 1348607A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alkyl
- general formula
- pyran
- carboxylic acids
- optionally
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 4
- 125000000217 alkyl group Chemical group 0.000 abstract 3
- 229910052799 carbon Inorganic materials 0.000 abstract 2
- 229910052708 sodium Inorganic materials 0.000 abstract 2
- 239000011734 sodium Substances 0.000 abstract 2
- OLLOFISPVBEVLC-UHFFFAOYSA-N 4-oxo-[1]benzothiolo[3,2-b]pyran-2-carboxylic acid Chemical class S1C2=CC=CC=C2C2=C1C(=O)C=C(C(=O)O)O2 OLLOFISPVBEVLC-UHFFFAOYSA-N 0.000 abstract 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 abstract 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 125000005210 alkyl ammonium group Chemical group 0.000 abstract 1
- 229910052791 calcium Inorganic materials 0.000 abstract 1
- 150000002148 esters Chemical class 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- -1 hydrogen ions Chemical class 0.000 abstract 1
- 230000003301 hydrolyzing effect Effects 0.000 abstract 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 abstract 1
- 229910052700 potassium Inorganic materials 0.000 abstract 1
- 238000007363 ring formation reaction Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D495/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
- C07D495/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
- C07D495/04—Ortho-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/50—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
- C07D333/52—Benzo[b]thiophenes; Hydrogenated benzo[b]thiophenes
- C07D333/62—Benzo[b]thiophenes; Hydrogenated benzo[b]thiophenes 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 carbon atoms of the hetero ring
- C07D333/64—Oxygen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14818871A | 1971-05-28 | 1971-05-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1348607A true GB1348607A (en) | 1974-03-20 |
Family
ID=22524669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2188672A Expired GB1348607A (en) | 1971-05-28 | 1972-05-10 | Benzothienopyrans and the manufacture thereof |
Country Status (8)
| Country | Link |
|---|---|
| AU (1) | AU459501B2 (enExample) |
| BE (1) | BE784050A (enExample) |
| CH (1) | CH581648A5 (enExample) |
| DE (1) | DE2224283A1 (enExample) |
| FR (1) | FR2139967B1 (enExample) |
| GB (1) | GB1348607A (enExample) |
| NL (1) | NL7207110A (enExample) |
| ZA (1) | ZA723124B (enExample) |
-
1972
- 1972-05-08 ZA ZA723124A patent/ZA723124B/xx unknown
- 1972-05-10 GB GB2188672A patent/GB1348607A/en not_active Expired
- 1972-05-12 AU AU42211/72A patent/AU459501B2/en not_active Expired
- 1972-05-18 DE DE19722224283 patent/DE2224283A1/de active Pending
- 1972-05-25 CH CH769272A patent/CH581648A5/xx not_active IP Right Cessation
- 1972-05-26 BE BE784050A patent/BE784050A/xx unknown
- 1972-05-26 FR FR7218916A patent/FR2139967B1/fr not_active Expired
- 1972-05-26 NL NL7207110A patent/NL7207110A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2224283A1 (de) | 1972-12-14 |
| CH581648A5 (enExample) | 1976-11-15 |
| FR2139967B1 (enExample) | 1976-03-05 |
| BE784050A (fr) | 1972-11-27 |
| FR2139967A1 (enExample) | 1973-01-12 |
| AU4221172A (en) | 1973-11-15 |
| ZA723124B (en) | 1973-10-31 |
| AU459501B2 (en) | 1975-03-27 |
| NL7207110A (enExample) | 1972-11-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |