CA1092132A - Process for obtaining 2,3-dichloro-4-(2- thenoyl)phenoxyacetic acid - Google Patents
Process for obtaining 2,3-dichloro-4-(2- thenoyl)phenoxyacetic acidInfo
- Publication number
- CA1092132A CA1092132A CA286,003A CA286003A CA1092132A CA 1092132 A CA1092132 A CA 1092132A CA 286003 A CA286003 A CA 286003A CA 1092132 A CA1092132 A CA 1092132A
- Authority
- CA
- Canada
- Prior art keywords
- acid
- dichloro
- fact
- phenoxyacetic acid
- process according
- 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
- AGHANLSBXUWXTB-UHFFFAOYSA-N tienilic acid Chemical compound ClC1=C(Cl)C(OCC(=O)O)=CC=C1C(=O)C1=CC=CS1 AGHANLSBXUWXTB-UHFFFAOYSA-N 0.000 title claims abstract description 8
- 238000000034 method Methods 0.000 title claims description 11
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 150000001875 compounds Chemical class 0.000 claims abstract description 10
- RHNDEZPJQWPQJU-UHFFFAOYSA-N 4-(carboxymethoxy)-2,3-dichlorobenzoic acid Chemical compound OC(=O)COC1=CC=C(C(O)=O)C(Cl)=C1Cl RHNDEZPJQWPQJU-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229930192474 thiophene Natural products 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 5
- 230000018044 dehydration Effects 0.000 claims abstract description 5
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 5
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 27
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 12
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- MWQVQEFJAIFHFZ-UHFFFAOYSA-N 2,3-dichloro-4-hydroxybenzoic acid Chemical compound OC(=O)C1=CC=C(O)C(Cl)=C1Cl MWQVQEFJAIFHFZ-UHFFFAOYSA-N 0.000 claims description 4
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 claims description 4
- 230000007062 hydrolysis Effects 0.000 claims description 4
- 238000006460 hydrolysis reaction Methods 0.000 claims description 4
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 claims description 3
- 229910021627 Tin(IV) chloride Inorganic materials 0.000 claims description 3
- VEUUMBGHMNQHGO-UHFFFAOYSA-N ethyl chloroacetate Chemical compound CCOC(=O)CCl VEUUMBGHMNQHGO-UHFFFAOYSA-N 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 229920000137 polyphosphoric acid Polymers 0.000 claims description 3
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 claims description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims 3
- 229910052739 hydrogen Inorganic materials 0.000 claims 2
- 239000001257 hydrogen Substances 0.000 claims 2
- QAEDZJGFFMLHHQ-UHFFFAOYSA-N trifluoroacetic anhydride Chemical compound FC(F)(F)C(=O)OC(=O)C(F)(F)F QAEDZJGFFMLHHQ-UHFFFAOYSA-N 0.000 claims 2
- 230000010933 acylation Effects 0.000 claims 1
- 238000005917 acylation reaction Methods 0.000 claims 1
- 125000001309 chloro group Chemical group Cl* 0.000 claims 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 229960000356 tienilic acid Drugs 0.000 abstract description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 18
- 239000000203 mixture Substances 0.000 description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 10
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 9
- 238000010992 reflux Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 235000019441 ethanol Nutrition 0.000 description 5
- 239000000155 melt Substances 0.000 description 5
- LCPDWSOZIOUXRV-UHFFFAOYSA-N phenoxyacetic acid Chemical compound OC(=O)COC1=CC=CC=C1 LCPDWSOZIOUXRV-UHFFFAOYSA-N 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 239000002934 diuretic Substances 0.000 description 4
- 230000001882 diuretic effect Effects 0.000 description 4
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 4
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 3
- HFEASCCDHUVYKU-UHFFFAOYSA-N 1,2-dichloro-3-methoxybenzene Chemical compound COC1=CC=CC(Cl)=C1Cl HFEASCCDHUVYKU-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000008346 aqueous phase Substances 0.000 description 3
- 150000002576 ketones Chemical group 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical compound CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- LEHOTFFKMJEONL-UHFFFAOYSA-N Uric Acid Chemical compound N1C(=O)NC(=O)C2=C1NC(=O)N2 LEHOTFFKMJEONL-UHFFFAOYSA-N 0.000 description 2
- TVWHNULVHGKJHS-UHFFFAOYSA-N Uric acid Natural products N1C(=O)NC(=O)C2NC(=O)NC21 TVWHNULVHGKJHS-UHFFFAOYSA-N 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000029142 excretion Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- -1 hyl monochloracetate Chemical compound 0.000 description 2
- 239000005457 ice water Substances 0.000 description 2
- AOJFQRQNPXYVLM-UHFFFAOYSA-N pyridin-1-ium;chloride Chemical compound [Cl-].C1=CC=[NH+]C=C1 AOJFQRQNPXYVLM-UHFFFAOYSA-N 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 2
- 229940116269 uric acid Drugs 0.000 description 2
- 230000003424 uricosuric effect Effects 0.000 description 2
- KRVKCQGNBBYQJK-MVNLRXSJSA-N (2r,3r,4r,5r)-hexane-1,2,3,4,5,6-hexol;phosphoric acid Chemical compound OP(O)(O)=O.OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO KRVKCQGNBBYQJK-MVNLRXSJSA-N 0.000 description 1
- ODIGIKRIUKFKHP-UHFFFAOYSA-N (n-propan-2-yloxycarbonylanilino) acetate Chemical compound CC(C)OC(=O)N(OC(C)=O)C1=CC=CC=C1 ODIGIKRIUKFKHP-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- JYBASOYAJOAATF-UHFFFAOYSA-N 2-chloro-1-(2,3-dichloro-4-methoxyphenyl)ethanone Chemical compound COC1=CC=C(C(=O)CCl)C(Cl)=C1Cl JYBASOYAJOAATF-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 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 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- 229940116731 Uricosuric agent Drugs 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 230000029936 alkylation Effects 0.000 description 1
- 238000005804 alkylation reaction Methods 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- WMXNESBWPZGPPN-UHFFFAOYSA-N ethyl 2-(4-carbonochloridoyl-2,3-dichlorophenoxy)acetate Chemical compound CCOC(=O)COC1=CC=C(C(Cl)=O)C(Cl)=C1Cl WMXNESBWPZGPPN-UHFFFAOYSA-N 0.000 description 1
- 125000004494 ethyl ester group Chemical group 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000024924 glomerular filtration Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000003907 kidney function Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 229940098779 methanesulfonic acid Drugs 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- FDRCDNZGSXJAFP-UHFFFAOYSA-M sodium chloroacetate Chemical compound [Na+].[O-]C(=O)CCl FDRCDNZGSXJAFP-UHFFFAOYSA-M 0.000 description 1
- CMXPERZAMAQXSF-UHFFFAOYSA-M sodium;1,4-bis(2-ethylhexoxy)-1,4-dioxobutane-2-sulfonate;1,8-dihydroxyanthracene-9,10-dione Chemical compound [Na+].O=C1C2=CC=CC(O)=C2C(=O)C2=C1C=CC=C2O.CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC CMXPERZAMAQXSF-UHFFFAOYSA-M 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- QERYCTSHXKAMIS-UHFFFAOYSA-N thiophene-2-carboxylic acid Chemical class OC(=O)C1=CC=CS1 QERYCTSHXKAMIS-UHFFFAOYSA-N 0.000 description 1
- 239000003383 uricosuric agent Substances 0.000 description 1
- 210000002700 urine Anatomy 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
- C07D333/26—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 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
- C07D333/38—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D333/40—Thiophene-2-carboxylic acid
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P7/00—Drugs for disorders of the blood or the extracellular fluid
- A61P7/10—Antioedematous agents; Diuretics
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/45—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
- C07C45/46—Friedel-Crafts reactions
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/76—Ketones containing a keto group bound to a six-membered aromatic ring
- C07C49/84—Ketones containing a keto group bound to a six-membered aromatic ring containing ether groups, groups, groups, or groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
-
- 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
- C07D213/06—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 containing only hydrogen and carbon atoms in addition to the ring nitrogen atom
- C07D213/16—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 containing only hydrogen and carbon atoms in addition to the ring nitrogen atom containing only one pyridine ring
- C07D213/20—Quaternary compounds thereof
-
- 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
- C07D333/22—Radicals substituted by doubly bound hetero atoms, or by two hetero atoms other than halogen singly bound to the same carbon atom
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Diabetes (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Hematology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heterocyclic Compounds Containing Sulfur Atoms (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7628274A FR2364916A1 (fr) | 1976-09-21 | 1976-09-21 | Procede d'obtention de l'acide dichloro-2,3 (thenoyl-2)-4 phenoxyacetique |
| FR76/28274 | 1976-09-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1092132A true CA1092132A (en) | 1980-12-23 |
Family
ID=9177881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA286,003A Expired CA1092132A (en) | 1976-09-21 | 1977-09-01 | Process for obtaining 2,3-dichloro-4-(2- thenoyl)phenoxyacetic acid |
Country Status (21)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2916980C2 (de) * | 1979-04-26 | 1981-06-19 | Ludwig Heumann & Co GmbH, 8500 Nürnberg | Verfahren zur Herstellung von Thenoyl-phenoxyessigsäureestern |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2458520A (en) * | 1945-11-08 | 1949-01-11 | Socony Vacuum Oil Co Inc | Acylation of thiophene |
-
1976
- 1976-09-21 FR FR7628274A patent/FR2364916A1/fr active Granted
-
1977
- 1977-09-01 CA CA286,003A patent/CA1092132A/en not_active Expired
- 1977-09-02 IL IL52881A patent/IL52881A/xx unknown
- 1977-09-07 IT IT27349/77A patent/IT1086083B/it active
- 1977-09-14 GB GB20299/79A patent/GB1568320A/en not_active Expired
- 1977-09-14 CS CS775985A patent/CS194693B2/cs unknown
- 1977-09-14 GB GB38258/77A patent/GB1568319A/en not_active Expired
- 1977-09-15 PT PT67035A patent/PT67035B/pt unknown
- 1977-09-17 RO RO7791606A patent/RO72173A/ro unknown
- 1977-09-19 GR GR54374A patent/GR63570B/el unknown
- 1977-09-19 BE BE181030A patent/BE858848A/xx not_active IP Right Cessation
- 1977-09-19 PL PL20093777A patent/PL200937A1/xx unknown
- 1977-09-19 DE DE19772742126 patent/DE2742126A1/de not_active Withdrawn
- 1977-09-20 CH CH1151177A patent/CH632754A5/de not_active IP Right Cessation
- 1977-09-20 HU HU77RO00000945A patent/HU172875B/hu unknown
- 1977-09-20 YU YU02220/77A patent/YU222077A/xx unknown
- 1977-09-20 DD DD7700201120A patent/DD132870A5/xx unknown
- 1977-09-20 JP JP11390077A patent/JPS5340758A/ja active Pending
- 1977-09-20 ES ES462472A patent/ES462472A1/es not_active Expired
- 1977-09-21 SU SU772524498A patent/SU736871A3/ru active
- 1977-09-21 IE IE1933/77A patent/IE45967B1/en unknown
- 1977-09-21 NL NL7710353A patent/NL7710353A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| PT67035B (en) | 1979-02-15 |
| PT67035A (en) | 1977-10-01 |
| GR63570B (en) | 1979-11-20 |
| IL52881A (en) | 1981-05-20 |
| PL200937A1 (pl) | 1978-05-22 |
| ES462472A1 (es) | 1978-07-16 |
| FR2364916A1 (fr) | 1978-04-14 |
| DD132870A5 (de) | 1978-11-15 |
| NL7710353A (nl) | 1978-03-23 |
| JPS5340758A (en) | 1978-04-13 |
| FR2364916B1 (enrdf_load_stackoverflow) | 1979-08-17 |
| IL52881A0 (en) | 1977-11-30 |
| IE45967L (en) | 1978-03-21 |
| SU736871A3 (ru) | 1980-05-25 |
| HU172875B (hu) | 1978-12-28 |
| GB1568319A (en) | 1980-05-29 |
| CH632754A5 (en) | 1982-10-29 |
| YU222077A (en) | 1983-02-28 |
| DE2742126A1 (de) | 1978-08-03 |
| IE45967B1 (en) | 1983-01-12 |
| IT1086083B (it) | 1985-05-28 |
| CS194693B2 (en) | 1979-12-31 |
| BE858848A (fr) | 1978-03-20 |
| RO72173A (ro) | 1981-06-26 |
| GB1568320A (en) | 1980-05-29 |
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