CH653681A5 - Procede de preparation de derives de l'acide 2-thiophene acetique. - Google Patents
Procede de preparation de derives de l'acide 2-thiophene acetique. Download PDFInfo
- Publication number
- CH653681A5 CH653681A5 CH1966/83A CH196683A CH653681A5 CH 653681 A5 CH653681 A5 CH 653681A5 CH 1966/83 A CH1966/83 A CH 1966/83A CH 196683 A CH196683 A CH 196683A CH 653681 A5 CH653681 A5 CH 653681A5
- Authority
- CH
- Switzerland
- Prior art keywords
- formula
- product
- acid
- thiophene
- solvent
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 29
- 238000002360 preparation method Methods 0.000 title claims description 10
- 150000005395 2-thiopheneacetic acid derivatives Chemical class 0.000 title claims 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 39
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 37
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 claims description 30
- 229930192474 thiophene Natural products 0.000 claims description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 239000002904 solvent Substances 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 11
- 239000002253 acid Substances 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 239000012071 phase Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000008346 aqueous phase Substances 0.000 claims description 8
- HTZCNXWZYVXIMZ-UHFFFAOYSA-M benzyl(triethyl)azanium;chloride Chemical compound [Cl-].CC[N+](CC)(CC)CC1=CC=CC=C1 HTZCNXWZYVXIMZ-UHFFFAOYSA-M 0.000 claims description 8
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 claims description 7
- SQYNKIJPMDEDEG-UHFFFAOYSA-N paraldehyde Chemical compound CC1OC(C)OC(C)O1 SQYNKIJPMDEDEG-UHFFFAOYSA-N 0.000 claims description 7
- 229960003868 paraldehyde Drugs 0.000 claims description 7
- VDZOOKBUILJEDG-UHFFFAOYSA-M tetrabutylammonium hydroxide Chemical compound [OH-].CCCC[N+](CCCC)(CCCC)CCCC VDZOOKBUILJEDG-UHFFFAOYSA-M 0.000 claims description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 6
- KXZJHVJKXJLBKO-UHFFFAOYSA-N chembl1408157 Chemical compound N=1C2=CC=CC=C2C(C(=O)O)=CC=1C1=CC=C(O)C=C1 KXZJHVJKXJLBKO-UHFFFAOYSA-N 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 6
- 239000000243 solution Substances 0.000 claims description 6
- KTKWUKAYWFMQSO-UHFFFAOYSA-N 2-thiophen-2-ylpropanoic acid Chemical compound OC(=O)C(C)C1=CC=CS1 KTKWUKAYWFMQSO-UHFFFAOYSA-N 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 claims description 5
- 238000006276 transfer reaction Methods 0.000 claims description 5
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 4
- 239000003444 phase transfer catalyst Substances 0.000 claims description 4
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 claims description 3
- GEDJSTBRFXDCAM-UHFFFAOYSA-N 2-(1-chloroethyl)thiophene Chemical compound CC(Cl)C1=CC=CS1 GEDJSTBRFXDCAM-UHFFFAOYSA-N 0.000 claims description 3
- 239000003153 chemical reaction reagent Substances 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 claims description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- ZXUCBXRTRRIBSO-UHFFFAOYSA-L tetrabutylazanium;sulfate Chemical compound [O-]S([O-])(=O)=O.CCCC[N+](CCCC)(CCCC)CCCC.CCCC[N+](CCCC)(CCCC)CCCC ZXUCBXRTRRIBSO-UHFFFAOYSA-L 0.000 claims description 2
- BGQMOFGZRJUORO-UHFFFAOYSA-M tetrapropylammonium bromide Chemical compound [Br-].CCC[N+](CCC)(CCC)CCC BGQMOFGZRJUORO-UHFFFAOYSA-M 0.000 claims description 2
- 239000000047 product Substances 0.000 claims 45
- 150000001299 aldehydes Chemical class 0.000 claims 10
- -1 alkyl radical Chemical class 0.000 claims 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims 6
- 125000005843 halogen group Chemical group 0.000 claims 6
- 125000004432 carbon atom Chemical group C* 0.000 claims 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims 4
- 230000007062 hydrolysis Effects 0.000 claims 4
- 238000006460 hydrolysis reaction Methods 0.000 claims 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims 3
- 229910052783 alkali metal Inorganic materials 0.000 claims 3
- 150000001340 alkali metals Chemical group 0.000 claims 3
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims 3
- 239000002585 base Substances 0.000 claims 3
- 239000003795 chemical substances by application Substances 0.000 claims 3
- 239000003960 organic solvent Substances 0.000 claims 3
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 claims 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims 2
- 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 claims 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims 2
- 125000000217 alkyl group Chemical group 0.000 claims 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims 2
- 239000007810 chemical reaction solvent Substances 0.000 claims 2
- 239000000460 chlorine Substances 0.000 claims 2
- 229910052736 halogen Inorganic materials 0.000 claims 2
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 claims 2
- 229910052700 potassium Inorganic materials 0.000 claims 2
- 239000011591 potassium Substances 0.000 claims 2
- 150000003839 salts Chemical class 0.000 claims 2
- 229910052708 sodium Inorganic materials 0.000 claims 2
- 239000011734 sodium Substances 0.000 claims 2
- 125000001424 substituent group Chemical group 0.000 claims 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 claims 2
- 150000003577 thiophenes Chemical class 0.000 claims 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims 1
- XEZNGIUYQVAUSS-UHFFFAOYSA-N 18-crown-6 Chemical compound C1COCCOCCOCCOCCOCCO1 XEZNGIUYQVAUSS-UHFFFAOYSA-N 0.000 claims 1
- OVSKIKFHRZPJSS-UHFFFAOYSA-N 2,4-D Chemical compound OC(=O)COC1=CC=C(Cl)C=C1Cl OVSKIKFHRZPJSS-UHFFFAOYSA-N 0.000 claims 1
- QTOABKRIUPTTPQ-UHFFFAOYSA-N 2-thiophen-2-ylpropanenitrile Chemical compound N#CC(C)C1=CC=CS1 QTOABKRIUPTTPQ-UHFFFAOYSA-N 0.000 claims 1
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 claims 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims 1
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N Butyraldehyde Chemical compound CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 claims 1
- 239000004215 Carbon black (E152) Substances 0.000 claims 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims 1
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 claims 1
- 241001331845 Equus asinus x caballus Species 0.000 claims 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 239000002841 Lewis acid Substances 0.000 claims 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims 1
- 239000004721 Polyphenylene oxide Substances 0.000 claims 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims 1
- 230000001476 alcoholic effect Effects 0.000 claims 1
- 239000003513 alkali Substances 0.000 claims 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims 1
- 150000001342 alkaline earth metals Chemical class 0.000 claims 1
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical class Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims 1
- 235000011130 ammonium sulphate Nutrition 0.000 claims 1
- 229940121363 anti-inflammatory agent Drugs 0.000 claims 1
- 239000002260 anti-inflammatory agent Substances 0.000 claims 1
- 125000004429 atom Chemical group 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims 1
- 229910052794 bromium Inorganic materials 0.000 claims 1
- 244000309464 bull Species 0.000 claims 1
- ZQULWKDLLXZZSP-UHFFFAOYSA-N calcium cyanide Chemical class [Ca+2].N#[C-].N#[C-] ZQULWKDLLXZZSP-UHFFFAOYSA-N 0.000 claims 1
- 229910052801 chlorine Inorganic materials 0.000 claims 1
- 238000003459 chloroalkylation reaction Methods 0.000 claims 1
- 150000003983 crown ethers Chemical class 0.000 claims 1
- 235000014113 dietary fatty acids Nutrition 0.000 claims 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims 1
- 239000000194 fatty acid Substances 0.000 claims 1
- 229930195729 fatty acid Natural products 0.000 claims 1
- 150000004665 fatty acids Chemical class 0.000 claims 1
- 229910052731 fluorine Inorganic materials 0.000 claims 1
- 239000011737 fluorine Substances 0.000 claims 1
- 150000002367 halogens Chemical class 0.000 claims 1
- 229930195733 hydrocarbon Natural products 0.000 claims 1
- 150000002430 hydrocarbons Chemical class 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 229910052500 inorganic mineral Inorganic materials 0.000 claims 1
- 239000013067 intermediate product Substances 0.000 claims 1
- 239000011630 iodine Substances 0.000 claims 1
- 229910052740 iodine Inorganic materials 0.000 claims 1
- 239000003456 ion exchange resin Substances 0.000 claims 1
- 229920003303 ion-exchange polymer Polymers 0.000 claims 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 claims 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims 1
- 150000007517 lewis acids Chemical class 0.000 claims 1
- 229910052744 lithium Inorganic materials 0.000 claims 1
- WCYWZMWISLQXQU-UHFFFAOYSA-N methyl Chemical group [CH3] WCYWZMWISLQXQU-UHFFFAOYSA-N 0.000 claims 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 1
- 239000011707 mineral Substances 0.000 claims 1
- 150000002825 nitriles Chemical class 0.000 claims 1
- 230000020477 pH reduction Effects 0.000 claims 1
- 239000000825 pharmaceutical preparation Substances 0.000 claims 1
- 229940127557 pharmaceutical product Drugs 0.000 claims 1
- 239000002798 polar solvent Substances 0.000 claims 1
- 229920000570 polyether Polymers 0.000 claims 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims 1
- 230000035484 reaction time Effects 0.000 claims 1
- 239000012266 salt solution Substances 0.000 claims 1
- MNWBNISUBARLIT-UHFFFAOYSA-N sodium cyanide Chemical compound [Na+].N#[C-] MNWBNISUBARLIT-UHFFFAOYSA-N 0.000 claims 1
- 239000011877 solvent mixture Substances 0.000 claims 1
- 239000004094 surface-active agent Substances 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 claims 1
- 125000005207 tetraalkylammonium group Chemical group 0.000 claims 1
- NHGXDBSUJJNIRV-UHFFFAOYSA-M tetrabutylammonium chloride Chemical compound [Cl-].CCCC[N+](CCCC)(CCCC)CCCC NHGXDBSUJJNIRV-UHFFFAOYSA-M 0.000 claims 1
- TVVPMLFGPYQGTG-UHFFFAOYSA-M tetramethylphosphanium;iodide Chemical compound [I-].C[P+](C)(C)C TVVPMLFGPYQGTG-UHFFFAOYSA-M 0.000 claims 1
- OSBSFAARYOCBHB-UHFFFAOYSA-N tetrapropylammonium Chemical group CCC[N+](CCC)(CCC)CCC OSBSFAARYOCBHB-UHFFFAOYSA-N 0.000 claims 1
- 230000007704 transition Effects 0.000 claims 1
- 239000013638 trimer Substances 0.000 claims 1
- 229910052725 zinc Inorganic materials 0.000 claims 1
- 239000011701 zinc Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 10
- 239000012074 organic phase Substances 0.000 description 8
- 229940015849 thiophene Drugs 0.000 description 8
- 238000003756 stirring Methods 0.000 description 4
- 239000005457 ice water Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
Classifications
-
- 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
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/06—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
- C07D333/12—Radicals substituted by halogen atoms or nitro or nitroso radicals
-
- 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
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/06—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
- C07D333/24—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Plural Heterocyclic Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Heterocyclic Compounds Containing Sulfur Atoms (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8220272A FR2537138A1 (fr) | 1982-12-03 | 1982-12-03 | Procede de preparation de derives de l'acide 2-thiophene acetique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH653681A5 true CH653681A5 (fr) | 1986-01-15 |
Family
ID=9279758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1966/83A CH653681A5 (fr) | 1982-12-03 | 1983-04-12 | Procede de preparation de derives de l'acide 2-thiophene acetique. |
Country Status (22)
| Country | Link |
|---|---|
| JP (1) | JPS59106483A (OSRAM) |
| KR (1) | KR900003281B1 (OSRAM) |
| AT (1) | AT392785B (OSRAM) |
| AU (1) | AU557065B2 (OSRAM) |
| BE (1) | BE896440A (OSRAM) |
| CA (1) | CA1201442A (OSRAM) |
| CH (1) | CH653681A5 (OSRAM) |
| DE (1) | DE3314028C2 (OSRAM) |
| DK (1) | DK157492C (OSRAM) |
| ES (1) | ES521231A0 (OSRAM) |
| FI (1) | FI80882C (OSRAM) |
| FR (1) | FR2537138A1 (OSRAM) |
| GB (1) | GB2132608B (OSRAM) |
| HU (1) | HU191831B (OSRAM) |
| IE (1) | IE55097B1 (OSRAM) |
| IT (1) | IT1174758B (OSRAM) |
| LU (1) | LU84749A1 (OSRAM) |
| NL (1) | NL8301693A (OSRAM) |
| NZ (1) | NZ204510A (OSRAM) |
| PT (1) | PT76535B (OSRAM) |
| SE (1) | SE453918B (OSRAM) |
| ZA (1) | ZA832697B (OSRAM) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1276738B1 (it) * | 1995-06-16 | 1997-11-03 | Erregierre Spa | Processo per la preparazione di derivati dell'acido -metil-2- tiofeneacetico |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IE33054B1 (en) * | 1968-04-16 | 1974-03-06 | Ici Ltd | Heterocyclic compounds |
| GB2003570B (en) * | 1977-06-08 | 1982-01-20 | Imi Opella Ltd | Stop valve |
-
1982
- 1982-12-03 FR FR8220272A patent/FR2537138A1/fr active Granted
-
1983
- 1983-03-28 DK DK140083A patent/DK157492C/da not_active IP Right Cessation
- 1983-03-30 SE SE8301786A patent/SE453918B/sv not_active IP Right Cessation
- 1983-03-31 FI FI831116A patent/FI80882C/fi not_active IP Right Cessation
- 1983-04-05 ES ES521231A patent/ES521231A0/es active Granted
- 1983-04-11 PT PT76535A patent/PT76535B/pt not_active IP Right Cessation
- 1983-04-12 BE BE0/210537A patent/BE896440A/fr unknown
- 1983-04-12 CH CH1966/83A patent/CH653681A5/fr not_active IP Right Cessation
- 1983-04-14 HU HU831307A patent/HU191831B/hu unknown
- 1983-04-14 LU LU84749A patent/LU84749A1/fr unknown
- 1983-04-15 AU AU13573/83A patent/AU557065B2/en not_active Ceased
- 1983-04-18 ZA ZA832697A patent/ZA832697B/xx unknown
- 1983-04-18 DE DE3314028A patent/DE3314028C2/de not_active Expired - Lifetime
- 1983-04-23 KR KR1019830001730A patent/KR900003281B1/ko not_active Expired
- 1983-05-04 IT IT48216/83A patent/IT1174758B/it active Protection Beyond IP Right Term
- 1983-05-09 GB GB08312702A patent/GB2132608B/en not_active Expired
- 1983-05-10 IE IE1074/83A patent/IE55097B1/en not_active IP Right Cessation
- 1983-05-11 NL NL8301693A patent/NL8301693A/nl active Search and Examination
- 1983-05-20 JP JP58087836A patent/JPS59106483A/ja active Granted
- 1983-06-09 NZ NZ204510A patent/NZ204510A/en unknown
- 1983-07-28 CA CA000433422A patent/CA1201442A/fr not_active Expired
- 1983-08-08 AT AT2867/83A patent/AT392785B/de not_active IP Right Cessation
Also Published As
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| Date | Code | Title | Description |
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| PFA | Name/firm changed |
Owner name: ROUSSEL-UCLAF TRANSFER- ROUSSEL UCLAF * ROUSSEL UC |
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| PFA | Name/firm changed |
Owner name: HOECHST MARION ROUSSEL TRANSFER- AVENTIS PHARMA S. |
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| PL | Patent ceased |