DD209805A5 - Verfahren zur herstellung von (d)-2-(6-methoxy-2-naphthyl)-propionsaeure - Google Patents
Verfahren zur herstellung von (d)-2-(6-methoxy-2-naphthyl)-propionsaeure Download PDFInfo
- Publication number
- DD209805A5 DD209805A5 DD83251288A DD25128883A DD209805A5 DD 209805 A5 DD209805 A5 DD 209805A5 DD 83251288 A DD83251288 A DD 83251288A DD 25128883 A DD25128883 A DD 25128883A DD 209805 A5 DD209805 A5 DD 209805A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- naproxen
- naphthyl
- salt
- glucamine
- propionic acid
- Prior art date
Links
- 239000002253 acid Substances 0.000 title description 24
- 238000004519 manufacturing process Methods 0.000 title 1
- CMWTZPSULFXXJA-UHFFFAOYSA-N 2-(6-methoxy-2-naphthalenyl)propanoic acid Chemical compound C1=C(C(C)C(O)=O)C=CC2=CC(OC)=CC=C21 CMWTZPSULFXXJA-UHFFFAOYSA-N 0.000 claims abstract description 95
- 239000002243 precursor Substances 0.000 claims abstract description 88
- 150000003839 salts Chemical class 0.000 claims abstract description 87
- 150000001875 compounds Chemical class 0.000 claims abstract description 77
- 125000004432 carbon atom Chemical group C* 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 25
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 13
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 7
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 3
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052794 bromium Inorganic materials 0.000 claims description 2
- 125000001246 bromo group Chemical group Br* 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 39
- HBAQYPYDRFILMT-UHFFFAOYSA-N 8-[3-(1-cyclopropylpyrazol-4-yl)-1H-pyrazolo[4,3-d]pyrimidin-5-yl]-3-methyl-3,8-diazabicyclo[3.2.1]octan-2-one Chemical class C1(CC1)N1N=CC(=C1)C1=NNC2=C1N=C(N=C2)N1C2C(N(CC1CC2)C)=O HBAQYPYDRFILMT-UHFFFAOYSA-N 0.000 abstract description 5
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 108
- CMWTZPSULFXXJA-VIFPVBQESA-N naproxen Chemical compound C1=C([C@H](C)C(O)=O)C=CC2=CC(OC)=CC=C21 CMWTZPSULFXXJA-VIFPVBQESA-N 0.000 description 104
- 229960002009 naproxen Drugs 0.000 description 94
- 239000000243 solution Substances 0.000 description 73
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 60
- 239000000463 material Substances 0.000 description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 49
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 42
- 238000010992 reflux Methods 0.000 description 40
- 239000002904 solvent Substances 0.000 description 38
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 36
- 239000003795 chemical substances by application Substances 0.000 description 33
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 32
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 31
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 28
- -1 alkyl radical Chemical group 0.000 description 28
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 27
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 27
- 239000002244 precipitate Substances 0.000 description 27
- 238000006243 chemical reaction Methods 0.000 description 26
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 26
- 239000000047 product Substances 0.000 description 25
- 238000001914 filtration Methods 0.000 description 23
- XBDQKXXYIPTUBI-UHFFFAOYSA-N Propionic acid Chemical class CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 18
- XWJUDDGELKXYNO-QMMMGPOBSA-N desmethylnaproxen Chemical compound C1=C(O)C=CC2=CC([C@@H](C(O)=O)C)=CC=C21 XWJUDDGELKXYNO-QMMMGPOBSA-N 0.000 description 18
- HCCFERHCGFJYGK-QMMMGPOBSA-N (2s)-2-(5-bromo-6-methoxynaphthalen-1-yl)propanoic acid Chemical compound OC(=O)[C@@H](C)C1=CC=CC2=C(Br)C(OC)=CC=C21 HCCFERHCGFJYGK-QMMMGPOBSA-N 0.000 description 16
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- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 12
- MBBZMMPHUWSWHV-BDVNFPICSA-N N-methylglucamine Chemical group CNC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO MBBZMMPHUWSWHV-BDVNFPICSA-N 0.000 description 11
- 230000002378 acidificating effect Effects 0.000 description 10
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- 125000005843 halogen group Chemical group 0.000 description 9
- 229910052757 nitrogen Inorganic materials 0.000 description 9
- 239000011777 magnesium Substances 0.000 description 8
- 229910052749 magnesium Inorganic materials 0.000 description 8
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical group O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 7
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 7
- 239000012074 organic phase Substances 0.000 description 7
- 235000019260 propionic acid Nutrition 0.000 description 7
- 238000000926 separation method Methods 0.000 description 7
- 238000002425 crystallisation Methods 0.000 description 6
- 230000008025 crystallization Effects 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- 239000002585 base Substances 0.000 description 5
- 238000003776 cleavage reaction Methods 0.000 description 5
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- 239000000706 filtrate Substances 0.000 description 5
- 230000007017 scission Effects 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 239000007868 Raney catalyst Substances 0.000 description 4
- 229910000564 Raney nickel Inorganic materials 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 4
- GZUXJHMPEANEGY-UHFFFAOYSA-N bromomethane Chemical compound BrC GZUXJHMPEANEGY-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- VAYGXNSJCAHWJZ-UHFFFAOYSA-N dimethyl sulfate Chemical compound COS(=O)(=O)OC VAYGXNSJCAHWJZ-UHFFFAOYSA-N 0.000 description 4
- 239000012442 inert solvent Substances 0.000 description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 4
- 230000035484 reaction time Effects 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 125000001424 substituent group Chemical group 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- GXDKMPKEMFWETC-IRCOFANPSA-N (2r,3r,4r,5s)-6-(cyclohexylamino)hexane-1,2,3,4,5-pentol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)CNC1CCCCC1 GXDKMPKEMFWETC-IRCOFANPSA-N 0.000 description 3
- OBCUVDZSNDPSHI-BSDSXHPESA-N (2r,3r,4r,5s)-6-(dodecylamino)hexane-1,2,3,4,5-pentol Chemical compound CCCCCCCCCCCCNC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO OBCUVDZSNDPSHI-BSDSXHPESA-N 0.000 description 3
- XDSDWLFEXPZUCK-IRCOFANPSA-N (2r,3r,4r,5s)-6-(hexylamino)hexane-1,2,3,4,5-pentol Chemical compound CCCCCCNC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO XDSDWLFEXPZUCK-IRCOFANPSA-N 0.000 description 3
- RVVAYDHIVLCPBC-QMMMGPOBSA-N (2s)-2-(5-chloro-6-methoxynaphthalen-2-yl)propanoic acid Chemical compound C1=C([C@H](C)C(O)=O)C=CC2=C(Cl)C(OC)=CC=C21 RVVAYDHIVLCPBC-QMMMGPOBSA-N 0.000 description 3
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- XPFVYQJUAUNWIW-UHFFFAOYSA-N furfuryl alcohol Chemical compound OCC1=CC=CO1 XPFVYQJUAUNWIW-UHFFFAOYSA-N 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
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- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 3
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- JZRWXNBIQCMXSU-UHFFFAOYSA-N 2-(5-bromo-6-methoxynaphthalen-2-yl)propanoic acid Chemical compound C1=C(C(C)C(O)=O)C=CC2=C(Br)C(OC)=CC=C21 JZRWXNBIQCMXSU-UHFFFAOYSA-N 0.000 description 2
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- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
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- 238000009835 boiling Methods 0.000 description 2
- 125000000582 cycloheptyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 2
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 2
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- KMPWYEUPVWOPIM-KODHJQJWSA-N cinchonidine Chemical compound C1=CC=C2C([C@H]([C@H]3[N@]4CC[C@H]([C@H](C4)C=C)C3)O)=CC=NC2=C1 KMPWYEUPVWOPIM-KODHJQJWSA-N 0.000 description 1
- KMPWYEUPVWOPIM-UHFFFAOYSA-N cinchonidine Natural products C1=CC=C2C(C(C3N4CCC(C(C4)C=C)C3)O)=CC=NC2=C1 KMPWYEUPVWOPIM-UHFFFAOYSA-N 0.000 description 1
- 125000001995 cyclobutyl group Chemical group [H]C1([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- HPXRVTGHNJAIIH-UHFFFAOYSA-N cyclohexanol Chemical compound OC1CCCCC1 HPXRVTGHNJAIIH-UHFFFAOYSA-N 0.000 description 1
- 125000000640 cyclooctyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])C1([H])[H] 0.000 description 1
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 229960003750 ethyl chloride Drugs 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 150000002440 hydroxy compounds Chemical class 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- KQNPFQTWMSNSAP-UHFFFAOYSA-N isobutyric acid Chemical class CC(C)C(O)=O KQNPFQTWMSNSAP-UHFFFAOYSA-N 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- CRGZYKWWYNQGEC-UHFFFAOYSA-N magnesium;methanolate Chemical compound [Mg+2].[O-]C.[O-]C CRGZYKWWYNQGEC-UHFFFAOYSA-N 0.000 description 1
- 150000002688 maleic acid derivatives Chemical class 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 239000012022 methylating agents Substances 0.000 description 1
- ZGEGCLOFRBLKSE-UHFFFAOYSA-N methylene hexane Natural products CCCCCC=C ZGEGCLOFRBLKSE-UHFFFAOYSA-N 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- XWJUDDGELKXYNO-UHFFFAOYSA-N o-desmethylnaproxen Chemical compound C1=C(O)C=CC2=CC(C(C(O)=O)C)=CC=C21 XWJUDDGELKXYNO-UHFFFAOYSA-N 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- MUMZUERVLWJKNR-UHFFFAOYSA-N oxoplatinum Chemical compound [Pt]=O MUMZUERVLWJKNR-UHFFFAOYSA-N 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- WVDDGKGOMKODPV-ZQBYOMGUSA-N phenyl(114C)methanol Chemical compound O[14CH2]C1=CC=CC=C1 WVDDGKGOMKODPV-ZQBYOMGUSA-N 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229910003446 platinum oxide Inorganic materials 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000012266 salt solution Substances 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
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical class O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Medicines Containing Plant Substances (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US38249982A | 1982-05-27 | 1982-05-27 | |
| US42963382A | 1982-09-30 | 1982-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD209805A5 true DD209805A5 (de) | 1984-05-23 |
Family
ID=27009787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD83251288A DD209805A5 (de) | 1982-05-27 | 1983-05-26 | Verfahren zur herstellung von (d)-2-(6-methoxy-2-naphthyl)-propionsaeure |
Country Status (16)
| Country | Link |
|---|---|
| EP (1) | EP0095901B1 (el) |
| AT (1) | ATE80377T1 (el) |
| AU (2) | AU555784B2 (el) |
| CA (1) | CA1207338A (el) |
| DD (1) | DD209805A5 (el) |
| DE (1) | DE3382618T2 (el) |
| DK (1) | DK237483A (el) |
| ES (2) | ES8505331A1 (el) |
| FI (1) | FI831820L (el) |
| GR (1) | GR77472B (el) |
| IL (1) | IL68789A (el) |
| IT (1) | IT1162868B (el) |
| NO (1) | NO157734C (el) |
| NZ (2) | NZ211160A (el) |
| PT (1) | PT76761B (el) |
| YU (2) | YU117283A (el) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1208109B (it) * | 1983-11-23 | 1989-06-06 | Alfa Chem Ital | Procedimento per la risoluzione ottica di acidi arilpropionici |
| IT1173216B (it) * | 1984-02-03 | 1987-06-18 | Zambon Spa | Processo per la preparazione di acidi alfa-idrossiaril-alcanoici |
| IT1196197B (it) * | 1984-07-23 | 1988-11-10 | Ravizza Spa | Procedimento per la risoluzione dell'acido (+)(-) 2-(2'-(p-fluorofenil)--5'-benzossazolil)-propionico |
| IT1196334B (it) * | 1984-11-22 | 1988-11-16 | Alfa Chem Ital | Processo per la risoluzione ottica di miscugli racemi di acidi alfanaftil-propionici |
| US5322791A (en) * | 1985-12-20 | 1994-06-21 | Wisconsin Alumni Research Foundation | Process for preparing (S)-α-methylarylacetic acids |
| US5220053A (en) * | 1992-01-24 | 1993-06-15 | Ethyl Corporation | Preparation of optically active aliphatic carboxylic acids |
| US5621140A (en) * | 1994-12-22 | 1997-04-15 | Syntex (U.S.A.) Inc. | Resolution of ibuprofen |
| US5574183A (en) * | 1995-01-24 | 1996-11-12 | Albemarle Corporation | Preparation of optically active aliphatic carboxylic acids |
| US5936118A (en) * | 1997-04-04 | 1999-08-10 | Albemarle Corporation | Process for chiral enrichment of optically active carboxylic acids or salts or esters thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1168387B (it) * | 1981-04-01 | 1987-05-20 | Alfa Farmaceutici Spa | Procedimento per la preparazione dell'acido 2-(6-metossi-2-naftil)-propionico |
-
1983
- 1983-05-23 FI FI831820A patent/FI831820L/fi not_active Application Discontinuation
- 1983-05-26 PT PT76761A patent/PT76761B/pt unknown
- 1983-05-26 GR GR71475A patent/GR77472B/el unknown
- 1983-05-26 CA CA000428916A patent/CA1207338A/en not_active Expired
- 1983-05-26 DK DK237483A patent/DK237483A/da not_active Application Discontinuation
- 1983-05-26 IT IT67590/83A patent/IT1162868B/it active
- 1983-05-26 YU YU01172/83A patent/YU117283A/xx unknown
- 1983-05-26 AT AT83303047T patent/ATE80377T1/de active
- 1983-05-26 DD DD83251288A patent/DD209805A5/de not_active IP Right Cessation
- 1983-05-26 NO NO831879A patent/NO157734C/no unknown
- 1983-05-26 NZ NZ211160A patent/NZ211160A/en unknown
- 1983-05-26 ES ES522740A patent/ES8505331A1/es not_active Expired
- 1983-05-26 AU AU15056/83A patent/AU555784B2/en not_active Ceased
- 1983-05-26 DE DE8383303047T patent/DE3382618T2/de not_active Expired - Lifetime
- 1983-05-26 IL IL68789A patent/IL68789A/xx unknown
- 1983-05-26 EP EP83303047A patent/EP0095901B1/en not_active Expired
- 1983-05-26 NZ NZ204367A patent/NZ204367A/en unknown
-
1984
- 1984-09-17 ES ES535996A patent/ES8608473A1/es not_active Expired
-
1985
- 1985-03-19 AU AU40183/85A patent/AU544185B3/en not_active Expired
- 1985-09-06 YU YU1399/85A patent/YU43882B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DK237483A (da) | 1983-11-28 |
| ES8608473A1 (es) | 1986-07-16 |
| FI831820L (fi) | 1983-11-28 |
| ATE80377T1 (de) | 1992-09-15 |
| ES522740A0 (es) | 1985-06-01 |
| NZ204367A (en) | 1985-08-30 |
| YU43882B (en) | 1989-12-31 |
| PT76761B (en) | 1985-12-27 |
| FI831820A0 (fi) | 1983-05-23 |
| IL68789A (en) | 1988-05-31 |
| DE3382618T2 (de) | 1993-07-01 |
| NO157734B (no) | 1988-02-01 |
| AU544185B3 (en) | 1985-07-18 |
| ES535996A0 (es) | 1986-07-16 |
| GR77472B (el) | 1984-09-24 |
| AU1505683A (en) | 1983-12-01 |
| IT8367590A0 (it) | 1983-05-26 |
| IL68789A0 (en) | 1983-09-30 |
| NO157734C (no) | 1988-05-11 |
| DE3382618D1 (de) | 1992-10-15 |
| YU117283A (en) | 1986-06-30 |
| EP0095901A1 (en) | 1983-12-07 |
| NZ211160A (en) | 1985-08-30 |
| NO831879L (no) | 1983-11-28 |
| AU544185A3 (en) | 1985-07-18 |
| ES8505331A1 (es) | 1985-06-01 |
| AU555784B2 (en) | 1986-10-09 |
| YU139985A (en) | 1987-12-31 |
| EP0095901B1 (en) | 1992-09-09 |
| DK237483D0 (da) | 1983-05-26 |
| PT76761A (en) | 1983-06-01 |
| CA1207338A (en) | 1986-07-08 |
| IT1162868B (it) | 1987-04-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ENJ | Ceased due to non-payment of renewal fee |