ZA200206494B - A method for synthesizing leflunomide. - Google Patents
A method for synthesizing leflunomide. Download PDFInfo
- Publication number
- ZA200206494B ZA200206494B ZA200206494A ZA200206494A ZA200206494B ZA 200206494 B ZA200206494 B ZA 200206494B ZA 200206494 A ZA200206494 A ZA 200206494A ZA 200206494 A ZA200206494 A ZA 200206494A ZA 200206494 B ZA200206494 B ZA 200206494B
- Authority
- ZA
- South Africa
- Prior art keywords
- leflunomide
- methylisoxazole
- carboxylic acid
- trifluoromethylphenyl
- acid chloride
- Prior art date
Links
- 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 title claims description 73
- 229960000681 leflunomide Drugs 0.000 title claims description 71
- 238000000034 method Methods 0.000 title claims description 51
- 230000002194 synthesizing effect Effects 0.000 title description 5
- 230000008569 process Effects 0.000 claims description 40
- 239000002904 solvent Substances 0.000 claims description 39
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 34
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 claims description 24
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 20
- 239000012320 chlorinating reagent Substances 0.000 claims description 19
- ZKAQPVQEYCFRTK-UHFFFAOYSA-N 5-methyl-1,2-oxazole-4-carbonyl chloride Chemical compound CC=1ON=CC=1C(Cl)=O ZKAQPVQEYCFRTK-UHFFFAOYSA-N 0.000 claims description 18
- 238000005917 acylation reaction Methods 0.000 claims description 18
- 230000010933 acylation Effects 0.000 claims description 17
- 238000005660 chlorination reaction Methods 0.000 claims description 16
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 15
- ODGIMMLDVSWADK-UHFFFAOYSA-N 4-trifluoromethylaniline Chemical compound NC1=CC=C(C(F)(F)F)C=C1 ODGIMMLDVSWADK-UHFFFAOYSA-N 0.000 claims description 12
- 238000001704 evaporation Methods 0.000 claims description 11
- VQBXUKGMJCPBMF-UHFFFAOYSA-N 5-methyl-1,2-oxazole-4-carboxylic acid Chemical compound CC=1ON=CC=1C(O)=O VQBXUKGMJCPBMF-UHFFFAOYSA-N 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 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 description 10
- 239000006227 byproduct Substances 0.000 claims description 9
- 230000008020 evaporation Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- MIOYDAUCMWWNRH-UHFFFAOYSA-N 5-methyl-n-(4-methylphenyl)-1,2-oxazole-4-carboxamide Chemical compound O1N=CC(C(=O)NC=2C=CC(C)=CC=2)=C1C MIOYDAUCMWWNRH-UHFFFAOYSA-N 0.000 claims description 7
- 230000004663 cell proliferation Effects 0.000 claims description 6
- 206010039073 rheumatoid arthritis Diseases 0.000 claims description 6
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 5
- 229910052783 alkali metal Inorganic materials 0.000 claims description 5
- 150000001340 alkali metals Chemical class 0.000 claims description 5
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 claims description 5
- SNUBGILHVSSQAY-UHFFFAOYSA-N 3-methyl-n-[4-(trifluoromethyl)phenyl]-1,2-oxazole-4-carboxamide Chemical compound CC1=NOC=C1C(=O)NC1=CC=C(C(F)(F)F)C=C1 SNUBGILHVSSQAY-UHFFFAOYSA-N 0.000 claims description 4
- -1 alkaline-earth metal bicarbonate Chemical class 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- CTSLXHKWHWQRSH-UHFFFAOYSA-N oxalyl chloride Chemical compound ClC(=O)C(Cl)=O CTSLXHKWHWQRSH-UHFFFAOYSA-N 0.000 claims description 4
- 229940113088 dimethylacetamide Drugs 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000008194 pharmaceutical composition Substances 0.000 claims description 3
- PASDCCFISLVPSO-UHFFFAOYSA-N benzoyl chloride Chemical compound ClC(=O)C1=CC=CC=C1 PASDCCFISLVPSO-UHFFFAOYSA-N 0.000 claims description 2
- 239000002552 dosage form Substances 0.000 claims description 2
- 125000003944 tolyl group Chemical group 0.000 claims description 2
- 238000001556 precipitation Methods 0.000 claims 8
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 claims 2
- 239000003814 drug Substances 0.000 claims 2
- 230000001105 regulatory effect Effects 0.000 claims 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 18
- 239000002253 acid Substances 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 7
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 6
- 239000002585 base Substances 0.000 description 6
- 238000004821 distillation Methods 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical class OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 5
- CZPWVGJYEJSRLH-UHFFFAOYSA-N Pyrimidine Chemical compound C1=CN=CN=C1 CZPWVGJYEJSRLH-UHFFFAOYSA-N 0.000 description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 4
- ISAKRJDGNUQOIC-UHFFFAOYSA-N Uracil Chemical compound O=C1C=CNC(=O)N1 ISAKRJDGNUQOIC-UHFFFAOYSA-N 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- 210000004027 cell Anatomy 0.000 description 4
- OPTASPLRGRRNAP-UHFFFAOYSA-N cytosine Chemical compound NC=1C=CNC(=O)N=1 OPTASPLRGRRNAP-UHFFFAOYSA-N 0.000 description 4
- 238000002845 discoloration Methods 0.000 description 4
- 239000002516 radical scavenger Substances 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- RWQNBRDOKXIBIV-UHFFFAOYSA-N thymine Chemical compound CC1=CNC(=O)NC1=O RWQNBRDOKXIBIV-UHFFFAOYSA-N 0.000 description 4
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- RZXMPPFPUUCRFN-UHFFFAOYSA-N p-toluidine Chemical compound CC1=CC=C(N)C=C1 RZXMPPFPUUCRFN-UHFFFAOYSA-N 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- YBLSBWHFPXDRHC-UHFFFAOYSA-N 3-methyl-1,2-oxazole-4-carboxylic acid Chemical compound CC1=NOC=C1C(O)=O YBLSBWHFPXDRHC-UHFFFAOYSA-N 0.000 description 2
- WTDHULULXKLSOZ-UHFFFAOYSA-N Hydroxylamine hydrochloride Chemical compound Cl.ON WTDHULULXKLSOZ-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 2
- 150000001263 acyl chlorides Chemical class 0.000 description 2
- 230000006696 biosynthetic metabolic pathway Effects 0.000 description 2
- 238000010960 commercial process Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 229940104302 cytosine Drugs 0.000 description 2
- 208000027866 inflammatory disease Diseases 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- PXQPEWDEAKTCGB-UHFFFAOYSA-N orotic acid Chemical compound OC(=O)C1=CC(=O)NC(=O)N1 PXQPEWDEAKTCGB-UHFFFAOYSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000002062 proliferating effect Effects 0.000 description 2
- 230000035755 proliferation Effects 0.000 description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 229940113082 thymine Drugs 0.000 description 2
- 229940035893 uracil Drugs 0.000 description 2
- 238000005292 vacuum distillation Methods 0.000 description 2
- BDKLKNJTMLIAFE-UHFFFAOYSA-N 2-(3-fluorophenyl)-1,3-oxazole-4-carbaldehyde Chemical compound FC1=CC=CC(C=2OC=C(C=O)N=2)=C1 BDKLKNJTMLIAFE-UHFFFAOYSA-N 0.000 description 1
- BSKHPKMHTQYZBB-UHFFFAOYSA-N 2-methylpyridine Chemical compound CC1=CC=CC=N1 BSKHPKMHTQYZBB-UHFFFAOYSA-N 0.000 description 1
- QCQCHGYLTSGIGX-GHXANHINSA-N 4-[[(3ar,5ar,5br,7ar,9s,11ar,11br,13as)-5a,5b,8,8,11a-pentamethyl-3a-[(5-methylpyridine-3-carbonyl)amino]-2-oxo-1-propan-2-yl-4,5,6,7,7a,9,10,11,11b,12,13,13a-dodecahydro-3h-cyclopenta[a]chrysen-9-yl]oxy]-2,2-dimethyl-4-oxobutanoic acid Chemical compound N([C@@]12CC[C@@]3(C)[C@]4(C)CC[C@H]5C(C)(C)[C@@H](OC(=O)CC(C)(C)C(O)=O)CC[C@]5(C)[C@H]4CC[C@@H]3C1=C(C(C2)=O)C(C)C)C(=O)C1=CN=CC(C)=C1 QCQCHGYLTSGIGX-GHXANHINSA-N 0.000 description 1
- PCDQPRRSZKQHHS-CCXZUQQUSA-N Cytarabine Triphosphate Chemical compound O=C1N=C(N)C=CN1[C@H]1[C@@H](O)[C@H](O)[C@@H](COP(O)(=O)OP(O)(=O)OP(O)(O)=O)O1 PCDQPRRSZKQHHS-CCXZUQQUSA-N 0.000 description 1
- 230000004543 DNA replication Effects 0.000 description 1
- 241000854350 Enicospilus group Species 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 208000009386 Experimental Arthritis Diseases 0.000 description 1
- CKLJMWTZIZZHCS-REOHCLBHSA-N L-aspartic acid Chemical compound OC(=O)[C@@H](N)CC(O)=O CKLJMWTZIZZHCS-REOHCLBHSA-N 0.000 description 1
- 235000012093 Myrtus ugni Nutrition 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 238000003436 Schotten-Baumann reaction Methods 0.000 description 1
- 244000061461 Tema Species 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000001028 anti-proliverative effect Effects 0.000 description 1
- 230000003356 anti-rheumatic effect Effects 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 235000003704 aspartic acid Nutrition 0.000 description 1
- OQFSQFPPLPISGP-UHFFFAOYSA-N beta-carboxyaspartic acid Natural products OC(=O)C(N)C(C(O)=O)C(O)=O OQFSQFPPLPISGP-UHFFFAOYSA-N 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- FFQKYPRQEYGKAF-UHFFFAOYSA-N carbamoyl phosphate Chemical compound NC(=O)OP(O)(O)=O FFQKYPRQEYGKAF-UHFFFAOYSA-N 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 150000003857 carboxamides Chemical class 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000007810 chemical reaction solvent Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 108010089007 dehydroorotate dehydrogenase Proteins 0.000 description 1
- UFIVEPVSAGBUSI-UHFFFAOYSA-N dihydroorotic acid Chemical compound OC(=O)C1CC(=O)NC(=O)N1 UFIVEPVSAGBUSI-UHFFFAOYSA-N 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- XDHWYQRLMSOZOP-UHFFFAOYSA-N ethyl 5-ethoxy-3-oxopent-4-enoate Chemical compound CCOC=CC(=O)CC(=O)OCC XDHWYQRLMSOZOP-UHFFFAOYSA-N 0.000 description 1
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical compound CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005935 nucleophilic addition reaction Methods 0.000 description 1
- 238000011275 oncology therapy Methods 0.000 description 1
- 229960005010 orotic acid Drugs 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 1
- 235000015497 potassium bicarbonate Nutrition 0.000 description 1
- 239000011736 potassium bicarbonate Substances 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 238000011552 rat model Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 229940087562 sodium acetate trihydrate Drugs 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- GKASDNZWUGIAMG-UHFFFAOYSA-N triethyl orthoformate Chemical compound CCOC(OCC)OCC GKASDNZWUGIAMG-UHFFFAOYSA-N 0.000 description 1
- 229940086542 triethylamine Drugs 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
- A61K31/42—Oxazoles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P11/00—Drugs for disorders of the respiratory system
- A61P11/02—Nasal agents, e.g. decongestants
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P11/00—Drugs for disorders of the respiratory system
- A61P11/06—Antiasthmatics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
- A61P17/06—Antipsoriatics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P19/00—Drugs for skeletal disorders
- A61P19/02—Drugs for skeletal disorders for joint disorders, e.g. arthritis, arthrosis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P27/00—Drugs for disorders of the senses
- A61P27/02—Ophthalmic agents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/08—Drugs for disorders of the metabolism for glucose homeostasis
- A61P3/10—Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
- A61P37/02—Immunomodulators
- A61P37/06—Immunosuppressants, e.g. drugs for graft rejection
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Medicinal Chemistry (AREA)
- Public Health (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Immunology (AREA)
- Diabetes (AREA)
- Pulmonology (AREA)
- Rheumatology (AREA)
- Epidemiology (AREA)
- Emergency Medicine (AREA)
- Obesity (AREA)
- Pain & Pain Management (AREA)
- Hematology (AREA)
- Ophthalmology & Optometry (AREA)
- Otolaryngology (AREA)
- Endocrinology (AREA)
- Dermatology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Physical Education & Sports Medicine (AREA)
- Transplantation (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18263500P | 2000-02-15 | 2000-02-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200206494B true ZA200206494B (en) | 2003-08-20 |
Family
ID=22669359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200206494A ZA200206494B (en) | 2000-02-15 | 2002-08-14 | A method for synthesizing leflunomide. |
Country Status (18)
| Country | Link |
|---|---|
| US (2) | US6723855B2 (xx) |
| EP (1) | EP1257270B1 (xx) |
| JP (1) | JP2004500380A (xx) |
| KR (1) | KR20020072312A (xx) |
| AT (1) | ATE292966T1 (xx) |
| AU (1) | AU2001234943A1 (xx) |
| CA (1) | CA2400290A1 (xx) |
| CZ (1) | CZ20023024A3 (xx) |
| DE (1) | DE60110043T2 (xx) |
| ES (1) | ES2237553T3 (xx) |
| HR (1) | HRP20020671A2 (xx) |
| HU (1) | HUP0301865A3 (xx) |
| IL (1) | IL151196A0 (xx) |
| PL (1) | PL366088A1 (xx) |
| SK (1) | SK12992002A3 (xx) |
| WO (1) | WO2001060363A1 (xx) |
| YU (1) | YU61602A (xx) |
| ZA (1) | ZA200206494B (xx) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0903345B1 (de) * | 1997-08-08 | 2000-10-04 | Aventis Pharma Deutschland GmbH | Kristallform von 5-Methylisoxazol-4-carbonsäure-(4-trifluormethyl)-anilid |
| HUP0204069A3 (en) * | 1999-12-16 | 2005-01-28 | Teva Pharma | Novel processes for making- and a new crystalline form of- leflunomide and pharmaceutical composition containing it |
| GB0123571D0 (en) * | 2001-04-05 | 2001-11-21 | Aventis Pharm Prod Inc | Use of (Z)-2-cyano-3-hydroxy-but-2-enoic acid-(4'-trifluoromethylphenyl)-amide for treating multiple sclerosis |
| WO2003042193A1 (en) * | 2001-11-09 | 2003-05-22 | Geneva Pharmaceuticals, Inc. | Process for preparing 5-methylisoxazole-4-carboxylic-(4'-trifluoromethyl)-anilide |
| BRPI0410704A (pt) * | 2003-05-27 | 2006-06-13 | Robert Per Hogerkvist | uso de inibidor c-abl- tirosina quinase, pdgf-r- tirosina quinase, ou c-kit-tirosina quinase no tratamento da diabete |
| EP1694308A1 (en) * | 2003-10-30 | 2006-08-30 | Lupin Ltd. | Stable formulations of ace inhibitors and methods for preparation thereof |
| US20060024376A1 (en) * | 2004-07-30 | 2006-02-02 | The University Of Chicago | Methods and compositions for reducing toxicity associated with leflunomide treatment |
| DE102005017592A1 (de) * | 2005-04-16 | 2006-10-19 | Lindner, Jürgen, Dr. med. | Darreichungsformen und Kombinationspräparate von Pyrimidinbiosyntheseinhibitoren zur Erzielung zusätzlicher Wirkungen auf das Immunsystem |
| WO2007086076A2 (en) * | 2006-01-24 | 2007-08-02 | Unichem Laboratories Limited | An improved process for preparation of leflunomide |
| CN101817797B (zh) * | 2009-02-26 | 2013-04-10 | 江苏亚邦爱普森药业有限公司 | 高纯度3-甲基-n-[4-(三氟甲基)苯基]-4-异噁唑甲酰胺的合成方法 |
| CR20170078A (es) | 2009-09-18 | 2017-05-22 | Sanofi Sa | Formulaciones en compromido de la (4-trifluorometilfenil)amida del acido (z)-2-ciano-3-hidroxibutil-2-enoico con estabilidad mejorada |
| CN102002009B (zh) * | 2010-10-18 | 2012-11-07 | 齐鲁制药有限公司 | 一种5-甲基异恶唑-4-甲酰氯的制备方法 |
| JP6797839B2 (ja) * | 2015-06-17 | 2020-12-09 | バイオコン・リミテッドＢｉｏｃｏｎ Ｌｉｍｉｔｅｄ | テリフルノミドの新規製造方法 |
| JOP20190207A1 (ar) * | 2017-03-14 | 2019-09-10 | Actelion Pharmaceuticals Ltd | تركيبة صيدلانية تشتمل على بونيسيمود |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2854439A1 (de) | 1978-12-16 | 1980-07-03 | Hoechst Ag | Ein isoxazolderivat, verfahren zu seiner herstellung, diese verbindung enthaltende mittel und verwendung |
| GB8619432D0 (en) | 1986-08-08 | 1986-09-17 | Lilly Industries Ltd | Pharmaceutical compounds |
| DK0527736T3 (da) * | 1990-05-18 | 1997-10-20 | Hoechst Ag | Isoxazol-4-carboxylsyreamider og hydroxyalkyliden-cyanoacetamider, lægemidler indeholdende disse forbindelser og anvendelsen af disse lægemidler. |
| DE59407413D1 (de) * | 1993-01-08 | 1999-01-21 | Hoechst Ag | Verwendung von Leflunomid zur Hemmung von Interleukin 1 beta |
| US5610173A (en) | 1994-01-07 | 1997-03-11 | Sugen, Inc. | Formulations for lipophilic compounds |
| EP0903345B1 (de) * | 1997-08-08 | 2000-10-04 | Aventis Pharma Deutschland GmbH | Kristallform von 5-Methylisoxazol-4-carbonsäure-(4-trifluormethyl)-anilid |
| DE19908527C2 (de) * | 1999-02-26 | 2001-08-30 | Aventis Pharma Gmbh | Verfahren zur Kristallisation von N-(4-Trifluormethylphenyl)-5-methyl-isoxazol-4-carboxamid |
| HUP0204069A3 (en) * | 1999-12-16 | 2005-01-28 | Teva Pharma | Novel processes for making- and a new crystalline form of- leflunomide and pharmaceutical composition containing it |
-
2001
- 2001-02-08 WO PCT/US2001/004095 patent/WO2001060363A1/en not_active Application Discontinuation
- 2001-02-08 US US09/779,928 patent/US6723855B2/en not_active Expired - Fee Related
- 2001-02-08 DE DE60110043T patent/DE60110043T2/de not_active Expired - Fee Related
- 2001-02-08 ES ES01907127T patent/ES2237553T3/es not_active Expired - Lifetime
- 2001-02-08 YU YU61602A patent/YU61602A/sh unknown
- 2001-02-08 AT AT01907127T patent/ATE292966T1/de not_active IP Right Cessation
- 2001-02-08 EP EP01907127A patent/EP1257270B1/en not_active Expired - Lifetime
- 2001-02-08 JP JP2001559460A patent/JP2004500380A/ja active Pending
- 2001-02-08 PL PL01366088A patent/PL366088A1/xx not_active Application Discontinuation
- 2001-02-08 KR KR1020027010595A patent/KR20020072312A/ko not_active Application Discontinuation
- 2001-02-08 AU AU2001234943A patent/AU2001234943A1/en not_active Abandoned
- 2001-02-08 HU HU0301865A patent/HUP0301865A3/hu unknown
- 2001-02-08 IL IL15119601A patent/IL151196A0/xx unknown
- 2001-02-08 CA CA002400290A patent/CA2400290A1/en not_active Abandoned
- 2001-02-08 SK SK1299-2002A patent/SK12992002A3/sk unknown
- 2001-02-08 CZ CZ20023024A patent/CZ20023024A3/cs unknown
-
2002
- 2002-08-14 ZA ZA200206494A patent/ZA200206494B/en unknown
- 2002-08-14 HR HRP20020671 patent/HRP20020671A2/hr not_active Application Discontinuation
-
2003
- 2003-12-10 US US10/730,949 patent/US20040127532A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| HUP0301865A3 (en) | 2005-12-28 |
| AU2001234943A1 (en) | 2001-08-27 |
| ES2237553T3 (es) | 2005-08-01 |
| CA2400290A1 (en) | 2001-08-23 |
| YU61602A (sh) | 2006-01-16 |
| EP1257270A4 (en) | 2003-05-07 |
| DE60110043T2 (de) | 2006-03-02 |
| US20040127532A1 (en) | 2004-07-01 |
| US6723855B2 (en) | 2004-04-20 |
| PL366088A1 (en) | 2005-01-24 |
| KR20020072312A (ko) | 2002-09-14 |
| HUP0301865A2 (hu) | 2003-09-29 |
| HRP20020671A2 (en) | 2004-12-31 |
| CZ20023024A3 (cs) | 2003-05-14 |
| IL151196A0 (en) | 2003-04-10 |
| US20020022646A1 (en) | 2002-02-21 |
| DE60110043D1 (de) | 2005-05-19 |
| SK12992002A3 (sk) | 2003-05-02 |
| EP1257270A1 (en) | 2002-11-20 |
| JP2004500380A (ja) | 2004-01-08 |
| WO2001060363A1 (en) | 2001-08-23 |
| ATE292966T1 (de) | 2005-04-15 |
| EP1257270B1 (en) | 2005-04-13 |
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