KR100626110B1 - N-(4-트리플루오로메틸페닐)-5-메틸이소옥사졸-4-카복스아미드의 결정화 방법 - Google Patents
N-(4-트리플루오로메틸페닐)-5-메틸이소옥사졸-4-카복스아미드의 결정화 방법 Download PDFInfo
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- KR100626110B1 KR100626110B1 KR1020017010843A KR20017010843A KR100626110B1 KR 100626110 B1 KR100626110 B1 KR 100626110B1 KR 1020017010843 A KR1020017010843 A KR 1020017010843A KR 20017010843 A KR20017010843 A KR 20017010843A KR 100626110 B1 KR100626110 B1 KR 100626110B1
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- compound
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- trifluoromethylphenyl
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- solution
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- 238000000034 method Methods 0.000 title claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000004128 high performance liquid chromatography Methods 0.000 claims abstract description 23
- 239000003960 organic solvent Substances 0.000 claims abstract description 17
- UTNUDOFZCWSZMS-YFHOEESVSA-N teriflunomide Chemical compound C\C(O)=C(/C#N)C(=O)NC1=CC=C(C(F)(F)F)C=C1 UTNUDOFZCWSZMS-YFHOEESVSA-N 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 125000004199 4-trifluoromethylphenyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C(F)(F)F 0.000 claims abstract 3
- 150000007529 inorganic bases Chemical class 0.000 claims abstract 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 58
- 150000001875 compounds Chemical class 0.000 claims description 49
- 239000002585 base Substances 0.000 claims description 21
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 18
- 239000013078 crystal Substances 0.000 claims description 13
- 239000002904 solvent Substances 0.000 claims description 13
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 9
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 9
- 238000004448 titration Methods 0.000 claims description 7
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 6
- 239000003513 alkali Substances 0.000 claims description 6
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 4
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 claims description 4
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 claims description 4
- 239000011736 potassium bicarbonate Substances 0.000 claims description 3
- 229910000028 potassium bicarbonate Inorganic materials 0.000 claims description 3
- 235000015497 potassium bicarbonate Nutrition 0.000 claims description 3
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 claims description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 3
- ZPWVASYFFYYZEW-UHFFFAOYSA-L dipotassium hydrogen phosphate Chemical compound [K+].[K+].OP([O-])([O-])=O ZPWVASYFFYYZEW-UHFFFAOYSA-L 0.000 claims description 2
- 229910000396 dipotassium phosphate Inorganic materials 0.000 claims description 2
- 235000019797 dipotassium phosphate Nutrition 0.000 claims description 2
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 claims description 2
- 229910000397 disodium phosphate Inorganic materials 0.000 claims description 2
- 235000019800 disodium phosphate Nutrition 0.000 claims description 2
- 150000002576 ketones Chemical class 0.000 claims description 2
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims description 2
- 235000019796 monopotassium phosphate Nutrition 0.000 claims description 2
- 229910000403 monosodium phosphate Inorganic materials 0.000 claims description 2
- 235000019799 monosodium phosphate Nutrition 0.000 claims description 2
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 claims description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 2
- 235000017550 sodium carbonate Nutrition 0.000 claims description 2
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 claims description 2
- 239000001488 sodium phosphate Substances 0.000 claims description 2
- 229910000404 tripotassium phosphate Inorganic materials 0.000 claims description 2
- 235000019798 tripotassium phosphate Nutrition 0.000 claims description 2
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 2
- 229910000406 trisodium phosphate Inorganic materials 0.000 claims description 2
- 235000019801 trisodium phosphate Nutrition 0.000 claims description 2
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims 3
- QQDPEIBVHOIXMB-IHWYPQMZSA-N (z)-2-hydroxybut-2-enamide Chemical compound C\C=C(/O)C(N)=O QQDPEIBVHOIXMB-IHWYPQMZSA-N 0.000 claims 1
- BIUIEMOYCZHHND-IHWYPQMZSA-N (z)-3-hydroxybut-2-enamide Chemical compound C\C(O)=C\C(N)=O BIUIEMOYCZHHND-IHWYPQMZSA-N 0.000 claims 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims 1
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 claims 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims 1
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims 1
- 239000001099 ammonium carbonate Substances 0.000 claims 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims 1
- 229910052700 potassium Inorganic materials 0.000 claims 1
- 239000011591 potassium Substances 0.000 claims 1
- 235000007686 potassium Nutrition 0.000 claims 1
- 238000002425 crystallisation Methods 0.000 abstract description 17
- 230000008025 crystallization Effects 0.000 abstract description 14
- VHOGYURTWQBHIL-UHFFFAOYSA-N leflunomide Chemical compound O1N=CC(C(=O)NC=2C=CC(=CC=2)C(F)(F)F)=C1C VHOGYURTWQBHIL-UHFFFAOYSA-N 0.000 abstract description 14
- 239000006227 byproduct Substances 0.000 abstract description 6
- 238000004445 quantitative analysis Methods 0.000 abstract description 2
- 150000007530 organic bases Chemical class 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 45
- 229940125782 compound 2 Drugs 0.000 description 39
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 18
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 12
- 238000002474 experimental method Methods 0.000 description 10
- 229960000681 leflunomide Drugs 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 7
- 238000009835 boiling Methods 0.000 description 7
- ODGIMMLDVSWADK-UHFFFAOYSA-N 4-trifluoromethylaniline Chemical compound NC1=CC=C(C(F)(F)F)C=C1 ODGIMMLDVSWADK-UHFFFAOYSA-N 0.000 description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000012085 test solution Substances 0.000 description 4
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- 238000000691 measurement method Methods 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 239000001384 succinic acid Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- SIKJAQJRHWYJAI-UHFFFAOYSA-N Indole Chemical compound C1=CC=C2NC=CC2=C1 SIKJAQJRHWYJAI-UHFFFAOYSA-N 0.000 description 2
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 description 2
- KYQCOXFCLRTKLS-UHFFFAOYSA-N Pyrazine Chemical compound C1=CN=CC=N1 KYQCOXFCLRTKLS-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000012086 standard solution Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 2
- RABDQLJWMPZANR-ARJAWSKDSA-N (z)-2-cyano-3-hydroxybut-2-enamide Chemical compound C\C(O)=C(/C#N)C(N)=O RABDQLJWMPZANR-ARJAWSKDSA-N 0.000 description 1
- IIFFFBSAXDNJHX-UHFFFAOYSA-N 2-methyl-n,n-bis(2-methylpropyl)propan-1-amine Chemical compound CC(C)CN(CC(C)C)CC(C)C IIFFFBSAXDNJHX-UHFFFAOYSA-N 0.000 description 1
- KBFQQKBZIFSAMY-UHFFFAOYSA-N 5-methyl-n-[3-(trifluoromethyl)phenyl]-1,2-oxazole-4-carboxamide Chemical compound O1N=CC(C(=O)NC=2C=C(C=CC=2)C(F)(F)F)=C1C KBFQQKBZIFSAMY-UHFFFAOYSA-N 0.000 description 1
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- PCNDJXKNXGMECE-UHFFFAOYSA-N Phenazine Natural products C1=CC=CC2=NC3=CC=CC=C3N=C21 PCNDJXKNXGMECE-UHFFFAOYSA-N 0.000 description 1
- WTKZEGDFNFYCGP-UHFFFAOYSA-N Pyrazole Chemical compound C=1C=NNC=1 WTKZEGDFNFYCGP-UHFFFAOYSA-N 0.000 description 1
- CZPWVGJYEJSRLH-UHFFFAOYSA-N Pyrimidine Chemical compound C1=CN=CN=C1 CZPWVGJYEJSRLH-UHFFFAOYSA-N 0.000 description 1
- 238000001838 alkalimetric titration Methods 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 150000001448 anilines Chemical class 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229940125773 compound 10 Drugs 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 125000005265 dialkylamine group Chemical group 0.000 description 1
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- -1 heterocyclic amines Chemical class 0.000 description 1
- PZOUSPYUWWUPPK-UHFFFAOYSA-N indole Natural products CC1=CC=CC2=C1C=CN2 PZOUSPYUWWUPPK-UHFFFAOYSA-N 0.000 description 1
- RKJUIXBNRJVNHR-UHFFFAOYSA-N indolenine Natural products C1=CC=C2CC=NC2=C1 RKJUIXBNRJVNHR-UHFFFAOYSA-N 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000004811 liquid chromatography Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- DIAIBWNEUYXDNL-UHFFFAOYSA-N n,n-dihexylhexan-1-amine Chemical compound CCCCCCN(CCCCCC)CCCCCC DIAIBWNEUYXDNL-UHFFFAOYSA-N 0.000 description 1
- OOHAUGDGCWURIT-UHFFFAOYSA-N n,n-dipentylpentan-1-amine Chemical compound CCCCCN(CCCCC)CCCCC OOHAUGDGCWURIT-UHFFFAOYSA-N 0.000 description 1
- MTHFROHDIWGWFD-UHFFFAOYSA-N n-butyl-n-methylbutan-1-amine Chemical compound CCCCN(C)CCCC MTHFROHDIWGWFD-UHFFFAOYSA-N 0.000 description 1
- 238000001139 pH measurement Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 238000012207 quantitative assay Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 125000005270 trialkylamine group Chemical group 0.000 description 1
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 1
- YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical compound CCCN(CCC)CCC YFTHZRPMJXBUME-UHFFFAOYSA-N 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D261/00—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings
- C07D261/02—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings
- C07D261/06—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings having two or more double bonds between ring members or between ring members and non-ring members
- C07D261/10—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings having two or more 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
- C07D261/18—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Description
이소프로판올 대 물의 비율 1.27:1 | ||||
시간(min) | 화합물 2(면적%) | 화학식 Ⅰ의 화합물 (면적%) | pH | 참고사항 |
0 | 0.026 | 99.88 | 4.0 | NaHCO3의 부재 |
60 | 0.082 | 99.82 | 4.0 | NaHCO3의 부재 |
이소프로판올 대 물의 비율 1.27:1[실험(a)] | 이소프로판올 대 물의 비율 4:1[실험(b)] | ||||
시간 (min) | 화합물 2 (면적%) | 화학식 Ⅰ의 화합물 (면적%) | pH | 화합물 2 (면적%) | pH |
0 | 3.4 | 96.56 | 8.5 | n.d. | n.d. |
30 | 6.63 | 93.36 | 4.9 | 4.30 | n.d. |
60 | 6.80 | 93.17 | 4.5 | 4.51 | n.d. |
120 | 6.93 | 93.02 | 4.4 | 4.68 | n.d. |
180 | 7.10 | 92.78 | 4.3 | 5.02 | 5.7 |
300 | 7.22 | 92.59 | 4.3 | 5.56 | 5.7 |
결정화 이전의 레플루노미드 [kg] | 결정화 이전의 화합물 2 [%] | NaHCO3 [kg] | 결정화 이후의 레플루 노미드의 수율[kg] | 결정화 이후의 레플루 노미드의 수율[%] | 결정화 이후의 화합물 2 (HPLC) [면적%] | 결정화 이후의 레플루 노미드의 순도 (HPLC)[면적%] |
17.19 | 2.44 | 0.13 | 12.7 | 79.3 | 0.03 | 99.9 |
17.15 | 2.20 | 0.12 | 12.8 | 80.0 | 0.02 | 99.7 |
16.97 | 3.22 | 0.17 | 12.6 | 78.8 | 0.02 | 99.9 |
Claims (11)
- 용액 중의 N-(4-트리플루오로메틸페닐)-2-시아노-3-하이드록시크로톤아미드의 양을 정량적으로 측정하는 단계(a),단계(a)에서 측정한 N-(4-트리플루오로메틸페닐)-2-시아노-3-하이드록시크로톤아미드의 양의 50 내지 150mol%에 상응하는 양의 중탄산나트륨, 탄산나트륨, 중탄산칼륨, 탄산칼륨, 중탄산암모늄, 인산수소칼륨, 인산수소나트륨, 인산이수소나트륨, 인산삼나트륨, 인산이수소칼륨 또는 인산삼칼륨을 포함하는 무기 염기로 이루어진 그룹으로부터 선택된 염기를 첨가하는 단계(b),화학식 Ⅰ의 화합물을 결정화하는 단계(c) 및생성된 화학식 Ⅰ의 화합물의 결정을 용액으로부터 분리시키는 단계(d)를 포함함을 특징으로 하는, 물; 메탄올, 에탄올, 프로판올, 이소프로판올, 부탄올 또는 이소부탄올을 포함하는 (C1-C4)-알콜, 아세톤 또는 메틸 에틸 케톤을 포함하는 케톤과 같은 수혼화성 용매, 이러한 용매의 혼합물, 및 이러한 용매와 에틸 아세테이트, 톨루엔 또는 디클로로메탄을 포함하는 수불혼화성 용매와의 혼합물로 이루어진 그룹으로부터 선택된 1종 이상의 유기 용매; 화학식 Ⅰ의 화합물 및 N-(4-트리플루오로메틸페닐)-2-시아노-3-하이드록시크로톤아미드를 포함하는 용액으로부터 화학식 Ⅰ의 화합물의 수득방법.화학식 Ⅰ
- 제1항에 있어서, 사용되는 무기 염기가 중탄산나트륨인 방법.
- 제1항 또는 제2항에 있어서, 사용되는 수혼화성 용매가 이소프로판올인 방법.
- 제1항 또는 제2항에 있어서, 40 내지 85℃의 온도에서 결정화되는 방법.
- 제1항 또는 제2항에 있어서, 첨가한 염기의 양이 제1항의 공정 단계(a)에서 고압 액체 크로마토그라피로 정량적으로 측정한 N-(4-트리플루오로메틸페닐)-2-시아노-3-하이드록시크로톤아미드의 양의 100 내지 115mol%에 상응하는 방법.
- 제1항 또는 제2항에 있어서, 첨가한 염기의 양이 제1항의 공정 단계(a)에서 알칼리 정량분석 적정법으로 측정한 N-(4-트리플루오로메틸페닐)-2-시아노-3-하이드록시크로톤아미드의 양의 90 내지 110mol%에 상응하는 방법.
- 제1항 또는 제2항에 있어서, 첨가한 화학식 Ⅰ의 화합물의 결정의 존재하에 결정화되는 방법.
- 제1항 또는 제2항에 있어서, 수득한 용액이 제1항에 따르는 공정 단계(b) 이후에 여과되는 방법.
- 제1항 또는 제2항에 있어서, 공정 단계(b) 후에 물 중의 유기 용매의 혼합물이 40 내지 85℃의 온도로 가열되는 방법.
- 제1항 또는 제2항에 있어서, 공정 단계(a)에서의 유기 용매 대 물의 비율이 1:1 내지 8:1인 방법.
- 제1항 또는 제2항에 있어서, 공정 단계(c)에서의 유기 용매 대 물의 비율이 4:1 내지 0.3:1인 방법.
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DE19908527A DE19908527C2 (de) | 1999-02-26 | 1999-02-26 | Verfahren zur Kristallisation von N-(4-Trifluormethylphenyl)-5-methyl-isoxazol-4-carboxamid |
DE19908527.7 | 1999-02-26 |
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KR20010103774A KR20010103774A (ko) | 2001-11-23 |
KR100626110B1 true KR100626110B1 (ko) | 2006-09-20 |
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US (1) | US6303792B1 (ko) |
EP (1) | EP1155004B1 (ko) |
JP (1) | JP4625187B2 (ko) |
KR (1) | KR100626110B1 (ko) |
CN (1) | CN1127491C (ko) |
AR (1) | AR022737A1 (ko) |
AT (1) | ATE257828T1 (ko) |
AU (1) | AU762394B2 (ko) |
BR (1) | BR0008566B1 (ko) |
CA (1) | CA2363875C (ko) |
DE (2) | DE19908527C2 (ko) |
DK (1) | DK1155004T3 (ko) |
ES (1) | ES2214259T3 (ko) |
HK (1) | HK1043787B (ko) |
HU (1) | HU228918B1 (ko) |
IL (2) | IL144867A0 (ko) |
NO (1) | NO319830B1 (ko) |
NZ (1) | NZ513777A (ko) |
PL (1) | PL199365B1 (ko) |
PT (1) | PT1155004E (ko) |
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DE19610955A1 (de) * | 1996-03-20 | 1997-09-25 | Hoechst Ag | Kombinationspräparat, enthaltend 5-Methylisoxazol-4-carbonsäure-(4-trifluormethyl)- anilid und N-(4-Trifluormethylphenyl)-2-cyan-3- hydroxycrotonsäureamid |
PT987256E (pt) * | 1997-08-08 | 2002-03-28 | Aventis Pharma Gmbh | Forma cristalina da n-(4-trifluorometilfenil)-5-metil-isoxazol-4-carboxamida |
IL149792A0 (en) * | 1999-12-16 | 2002-11-10 | Teva Pharma | Novel processes for making and a new crystalline form of leflunomide |
ES2237553T3 (es) * | 2000-02-15 | 2005-08-01 | Teva Pharmaceutical Industries Ltd. | Procedimiento para la sintesis de leflunomida. |
CN107311954B (zh) * | 2017-05-17 | 2020-04-07 | 力赛生物医药科技(厦门)有限公司 | 来氟米特晶型化合物、制备方法及其应用 |
CN114436894A (zh) * | 2020-11-04 | 2022-05-06 | 欣凯医药化工中间体(上海)有限公司 | 泰瑞米特钠晶型及制备方法 |
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DE2854439A1 (de) | 1978-12-16 | 1980-07-03 | Hoechst Ag | Ein isoxazolderivat, verfahren zu seiner herstellung, diese verbindung enthaltende mittel und verwendung |
DE3534440A1 (de) * | 1985-09-27 | 1987-04-02 | Hoechst Ag | Arzneimittel gegen chronische graft-versus-host-krankheiten sowie gegen autoimmunerkrankungen, insbesondere systemischen lupus erythematodes |
US5494911A (en) * | 1990-05-18 | 1996-02-27 | Hoechst Aktiengesellschaft | Isoxazole-4-carboxamides and hydroxyalkylidenecyanoacetamides, pharmaceuticals containing these compounds and their use |
DE4127737A1 (de) * | 1991-08-22 | 1993-02-25 | Hoechst Ag | Arzneimittel zur behandlung von abstossungsreaktionen bei organverpflanzungen |
US5519042A (en) * | 1994-01-13 | 1996-05-21 | Hoechst Aktiengesellschaft | Method of treating hyperproliferative vascular disease |
PT987256E (pt) | 1997-08-08 | 2002-03-28 | Aventis Pharma Gmbh | Forma cristalina da n-(4-trifluorometilfenil)-5-metil-isoxazol-4-carboxamida |
DE19734438A1 (de) * | 1997-08-08 | 1999-02-11 | Hoechst Marion Roussel De Gmbh | Kristallform von N-(4-Trifluormethylphenyl)-5-methyl-isoxazole-4-carboxamid |
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