CS197294B2 - Process for preparing o-(2,6-dichloranilino)-phenylacetic acid and salts thereof - Google Patents
Process for preparing o-(2,6-dichloranilino)-phenylacetic acid and salts thereof Download PDFInfo
- Publication number
- CS197294B2 CS197294B2 CS773850A CS385077A CS197294B2 CS 197294 B2 CS197294 B2 CS 197294B2 CS 773850 A CS773850 A CS 773850A CS 385077 A CS385077 A CS 385077A CS 197294 B2 CS197294 B2 CS 197294B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- compound
- phenylacetic acid
- solution
- residue
- optionally
- Prior art date
Links
- 150000003839 salts Chemical class 0.000 title claims abstract description 16
- DCOPUUMXTXDBNB-UHFFFAOYSA-N diclofenac Chemical compound OC(=O)CC1=CC=CC=C1NC1=C(Cl)C=CC=C1Cl DCOPUUMXTXDBNB-UHFFFAOYSA-N 0.000 title claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 title claims abstract 4
- 150000001875 compounds Chemical class 0.000 claims abstract description 17
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 16
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000002253 acid Substances 0.000 claims abstract description 11
- 239000007800 oxidant agent Substances 0.000 claims abstract description 11
- ORGHESHFQPYLAO-UHFFFAOYSA-N vinyl radical Chemical compound C=[CH] ORGHESHFQPYLAO-UHFFFAOYSA-N 0.000 claims abstract description 3
- -1 5-formyl-2-furyl residue Chemical group 0.000 claims description 14
- 239000007858 starting material Substances 0.000 claims description 13
- 125000002941 2-furyl group Chemical group O1C([*])=C([H])C([H])=C1[H] 0.000 claims description 4
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 4
- 230000015556 catabolic process Effects 0.000 claims description 4
- 238000006731 degradation reaction Methods 0.000 claims description 4
- 238000010525 oxidative degradation reaction Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 3
- IVRZWRJVWKAMMF-UHFFFAOYSA-N 2-(2,6-dichloroanilino)-2-phenylacetic acid Chemical compound C=1C=CC=CC=1C(C(=O)O)NC1=C(Cl)C=CC=C1Cl IVRZWRJVWKAMMF-UHFFFAOYSA-N 0.000 claims description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical group [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 239000011572 manganese Substances 0.000 claims description 2
- 229960003424 phenylacetic acid Drugs 0.000 claims description 2
- 239000003279 phenylacetic acid Substances 0.000 claims description 2
- 125000002541 furyl group Chemical group 0.000 claims 1
- 238000006864 oxidative decomposition reaction Methods 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 13
- WLJVXDMOQOGPHL-PPJXEINESA-N 2-phenylacetic acid Chemical class O[14C](=O)CC1=CC=CC=C1 WLJVXDMOQOGPHL-PPJXEINESA-N 0.000 abstract description 4
- 230000001590 oxidative effect Effects 0.000 abstract description 3
- 230000003110 anti-inflammatory effect Effects 0.000 abstract description 2
- 230000003356 anti-rheumatic effect Effects 0.000 abstract 1
- 238000007248 oxidative elimination reaction Methods 0.000 abstract 1
- WLJVXDMOQOGPHL-UHFFFAOYSA-N phenylacetic acid Chemical class OC(=O)CC1=CC=CC=C1 WLJVXDMOQOGPHL-UHFFFAOYSA-N 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 52
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 44
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 31
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 24
- 239000011541 reaction mixture Substances 0.000 description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 22
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 21
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 21
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 20
- 239000000203 mixture Substances 0.000 description 19
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 18
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 18
- 238000003756 stirring Methods 0.000 description 17
- 238000001816 cooling Methods 0.000 description 14
- 239000002904 solvent Substances 0.000 description 14
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 10
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 7
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 7
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 6
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 6
- 239000011777 magnesium Substances 0.000 description 6
- 229910052749 magnesium Inorganic materials 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 5
- 125000004218 chloromethyl group Chemical group [H]C([H])(Cl)* 0.000 description 5
- 239000013078 crystal Substances 0.000 description 5
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 5
- 239000000706 filtrate Substances 0.000 description 5
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 238000010992 reflux Methods 0.000 description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 4
- 235000019270 ammonium chloride Nutrition 0.000 description 4
- INLLPKCGLOXCIV-UHFFFAOYSA-N bromoethene Chemical compound BrC=C INLLPKCGLOXCIV-UHFFFAOYSA-N 0.000 description 4
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 4
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 4
- 239000012044 organic layer Substances 0.000 description 4
- 239000012286 potassium permanganate Substances 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- BLPKXWGVPMEVPQ-UHFFFAOYSA-N 2-bromo-5-(diethoxymethyl)furan Chemical compound CCOC(OCC)C1=CC=C(Br)O1 BLPKXWGVPMEVPQ-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 229910021595 Copper(I) iodide Inorganic materials 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- LSXDOTMGLUJQCM-UHFFFAOYSA-M copper(i) iodide Chemical compound I[Cu] LSXDOTMGLUJQCM-UHFFFAOYSA-M 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 3
- 235000019341 magnesium sulphate Nutrition 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 159000000000 sodium salts Chemical class 0.000 description 3
- SPEUIVXLLWOEMJ-UHFFFAOYSA-N 1,1-dimethoxyethane Chemical compound COC(C)OC SPEUIVXLLWOEMJ-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000282461 Canis lupus Species 0.000 description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 150000001241 acetals Chemical class 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- KUDPGZONDFORKU-UHFFFAOYSA-N n-chloroaniline Chemical compound ClNC1=CC=CC=C1 KUDPGZONDFORKU-UHFFFAOYSA-N 0.000 description 2
- 239000012074 organic phase Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- XPPZHMPJORETAN-UHFFFAOYSA-N 2,3-dichloro-n-phenylaniline Chemical compound ClC1=CC=CC(NC=2C=CC=CC=2)=C1Cl XPPZHMPJORETAN-UHFFFAOYSA-N 0.000 description 1
- ROSFUFIOLRQOON-UHFFFAOYSA-N 2,4-Dimethyl-1,3-dioxolane Chemical compound CC1COC(C)O1 ROSFUFIOLRQOON-UHFFFAOYSA-N 0.000 description 1
- YOHYDXGREFROCY-UHFFFAOYSA-N 2-(diethoxymethyl)-5-iodofuran Chemical compound C(C)OC(C=1OC(=CC=1)I)OCC YOHYDXGREFROCY-UHFFFAOYSA-N 0.000 description 1
- OHRKOPAWWQWPPH-UHFFFAOYSA-N 5-[[2-(2,6-dichloroanilino)phenyl]methyl]furan-2-carbaldehyde Chemical compound ClC1=C(NC2=C(CC3=CC=C(O3)C=O)C=CC=C2)C(=CC=C1)Cl OHRKOPAWWQWPPH-UHFFFAOYSA-N 0.000 description 1
- WJTFHWXMITZNHS-UHFFFAOYSA-N 5-bromofuran-2-carbaldehyde Chemical compound BrC1=CC=C(C=O)O1 WJTFHWXMITZNHS-UHFFFAOYSA-N 0.000 description 1
- QPGPCPKDVSPJAY-UHFFFAOYSA-N 5-iodofuran-2-carbaldehyde Chemical compound IC1=CC=C(C=O)O1 QPGPCPKDVSPJAY-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 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
- 238000000862 absorption spectrum Methods 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 125000002490 anilino group Chemical group [H]N(*)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Chemical class O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- 239000012230 colorless oil Substances 0.000 description 1
- 238000004440 column chromatography Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- KPHWPUGNDIVLNH-UHFFFAOYSA-M diclofenac sodium Chemical compound [Na+].[O-]C(=O)CC1=CC=CC=C1NC1=C(Cl)C=CC=C1Cl KPHWPUGNDIVLNH-UHFFFAOYSA-M 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- WBJINCZRORDGAQ-UHFFFAOYSA-N formic acid ethyl ester Natural products CCOC=O WBJINCZRORDGAQ-UHFFFAOYSA-N 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000012442 inert solvent Substances 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- KCTBOHUTRYYLJA-UHFFFAOYSA-N lithium;2h-furan-2-ide Chemical compound [Li+].C=1C=[C-]OC=1 KCTBOHUTRYYLJA-UHFFFAOYSA-N 0.000 description 1
- 150000002680 magnesium Chemical class 0.000 description 1
- 150000002696 manganese Chemical class 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 238000006385 ozonation reaction Methods 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 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
- 238000010898 silica gel chromatography Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 230000014616 translation Effects 0.000 description 1
- GKASDNZWUGIAMG-UHFFFAOYSA-N triethyl orthoformate Chemical compound CCOC(OCC)OCC GKASDNZWUGIAMG-UHFFFAOYSA-N 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/38—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D307/40—Radicals substituted by oxygen atoms
- C07D307/46—Doubly bound oxygen atoms, or two oxygen atoms singly bound to the same carbon atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/38—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D307/52—Radicals substituted by nitrogen atoms not forming part of a nitro radical
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6901376A JPS52153928A (en) | 1976-06-12 | 1976-06-12 | Preparation of organic compounds |
| JP6901476A JPS52153929A (en) | 1976-06-12 | 1976-06-12 | Preparation of phenyl acetic acid derivatives |
| JP11523576A JPS5340734A (en) | 1976-09-25 | 1976-09-25 | Preparation of phenylacetic acid derivatives |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS197294B2 true CS197294B2 (en) | 1980-04-30 |
Family
ID=27299932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS773850A CS197294B2 (en) | 1976-06-12 | 1977-06-10 | Process for preparing o-(2,6-dichloranilino)-phenylacetic acid and salts thereof |
Country Status (16)
| Country | Link |
|---|---|
| AR (1) | AR218451A1 (cg-RX-API-DMAC10.html) |
| AT (1) | AT354424B (cg-RX-API-DMAC10.html) |
| CA (1) | CA1095077A (cg-RX-API-DMAC10.html) |
| CH (1) | CH630059A5 (cg-RX-API-DMAC10.html) |
| CS (1) | CS197294B2 (cg-RX-API-DMAC10.html) |
| DK (1) | DK259377A (cg-RX-API-DMAC10.html) |
| ES (1) | ES459673A1 (cg-RX-API-DMAC10.html) |
| FI (1) | FI771824A7 (cg-RX-API-DMAC10.html) |
| GR (1) | GR74112B (cg-RX-API-DMAC10.html) |
| HU (1) | HU176500B (cg-RX-API-DMAC10.html) |
| NL (1) | NL7706422A (cg-RX-API-DMAC10.html) |
| NO (1) | NO772036L (cg-RX-API-DMAC10.html) |
| PL (1) | PL104609B1 (cg-RX-API-DMAC10.html) |
| PT (1) | PT66660B (cg-RX-API-DMAC10.html) |
| SE (1) | SE7706777L (cg-RX-API-DMAC10.html) |
| YU (1) | YU143777A (cg-RX-API-DMAC10.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT370721B (de) * | 1981-02-24 | 1983-04-25 | Ciba Geigy Ag | Verfahren zur herstellung von neuen salzen der 2- (2,6-dichloranilino)-phenylessigsaeure, der |
-
1977
- 1977-06-08 PT PT66660A patent/PT66660B/pt unknown
- 1977-06-09 YU YU01437/77A patent/YU143777A/xx unknown
- 1977-06-09 FI FI771824A patent/FI771824A7/fi not_active Application Discontinuation
- 1977-06-10 NO NO772036A patent/NO772036L/no unknown
- 1977-06-10 CH CH717777A patent/CH630059A5/de not_active IP Right Cessation
- 1977-06-10 DK DK259377A patent/DK259377A/da unknown
- 1977-06-10 HU HU77CI1749A patent/HU176500B/hu unknown
- 1977-06-10 SE SE7706777A patent/SE7706777L/xx not_active Application Discontinuation
- 1977-06-10 CS CS773850A patent/CS197294B2/cs unknown
- 1977-06-10 ES ES459673A patent/ES459673A1/es not_active Expired
- 1977-06-10 GR GR53677A patent/GR74112B/el unknown
- 1977-06-10 CA CA280,328A patent/CA1095077A/en not_active Expired
- 1977-06-10 AT AT411477A patent/AT354424B/de not_active IP Right Cessation
- 1977-06-10 NL NL7706422A patent/NL7706422A/xx not_active Application Discontinuation
- 1977-06-11 PL PL1977198782A patent/PL104609B1/pl unknown
- 1977-06-13 AR AR268030A patent/AR218451A1/es active
Also Published As
| Publication number | Publication date |
|---|---|
| GR74112B (cg-RX-API-DMAC10.html) | 1984-06-06 |
| SE7706777L (sv) | 1977-12-13 |
| AT354424B (de) | 1979-01-10 |
| FI771824A7 (cg-RX-API-DMAC10.html) | 1977-12-13 |
| PL198782A1 (pl) | 1978-04-10 |
| AR218451A1 (es) | 1980-06-13 |
| YU143777A (en) | 1982-08-31 |
| DK259377A (da) | 1977-12-13 |
| NL7706422A (nl) | 1977-12-14 |
| ATA411477A (de) | 1979-06-15 |
| PT66660A (en) | 1977-07-01 |
| HU176500B (en) | 1981-03-28 |
| CH630059A5 (en) | 1982-05-28 |
| PT66660B (en) | 1978-11-13 |
| PL104609B1 (pl) | 1979-08-31 |
| NO772036L (no) | 1977-12-13 |
| CA1095077A (en) | 1981-02-03 |
| ES459673A1 (es) | 1978-10-01 |
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