NO301766B1 - Fremgangsmåte til fremstilling av et cefalosporinantibiotikum under anvendelse av syn-isomeren av et tiazolmellomprodukt - Google Patents
Fremgangsmåte til fremstilling av et cefalosporinantibiotikum under anvendelse av syn-isomeren av et tiazolmellomprodukt Download PDFInfo
- Publication number
- NO301766B1 NO301766B1 NO923496A NO923496A NO301766B1 NO 301766 B1 NO301766 B1 NO 301766B1 NO 923496 A NO923496 A NO 923496A NO 923496 A NO923496 A NO 923496A NO 301766 B1 NO301766 B1 NO 301766B1
- Authority
- NO
- Norway
- Prior art keywords
- isomer
- acid
- syn
- aminothiazol
- cefepime
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 79
- 230000003115 biocidal effect Effects 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title abstract description 30
- 229940124587 cephalosporin Drugs 0.000 title description 13
- 229930186147 Cephalosporin Natural products 0.000 title description 12
- 150000001780 cephalosporins Chemical class 0.000 title description 12
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical compound C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 title description 5
- 229960002100 cefepime Drugs 0.000 claims abstract description 46
- YLBRJSVEBVCFCN-UHFFFAOYSA-N 2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl chloride;hydrochloride Chemical compound Cl.CON=C(C(Cl)=O)C1=CSC(N)=N1 YLBRJSVEBVCFCN-UHFFFAOYSA-N 0.000 claims abstract description 25
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 121
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 55
- 238000006243 chemical reaction Methods 0.000 claims description 29
- 239000011541 reaction mixture Substances 0.000 claims description 28
- 239000002253 acid Substances 0.000 claims description 24
- 239000003960 organic solvent Substances 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 claims description 16
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 14
- 239000003242 anti bacterial agent Substances 0.000 claims description 12
- LRAJHPGSGBRUJN-OMIVUECESA-N cefepime hydrochloride Chemical compound O.Cl.[Cl-].S([C@@H]1[C@@H](C(N1C=1C(O)=O)=O)NC(=O)\C(=N/OC)C=2N=C(N)SC=2)CC=1C[N+]1(C)CCCC1 LRAJHPGSGBRUJN-OMIVUECESA-N 0.000 claims description 11
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims description 10
- 238000006386 neutralization reaction Methods 0.000 claims 1
- HVFLCNVBZFFHBT-ZKDACBOMSA-N cefepime Chemical compound S([C@@H]1[C@@H](C(N1C=1C([O-])=O)=O)NC(=O)\C(=N/OC)C=2N=C(N)SC=2)CC=1C[N+]1(C)CCCC1 HVFLCNVBZFFHBT-ZKDACBOMSA-N 0.000 abstract description 46
- 238000005917 acylation reaction Methods 0.000 abstract description 38
- 230000010933 acylation Effects 0.000 abstract description 34
- 230000006181 N-acylation Effects 0.000 abstract description 4
- IIVPIDBZUUAWTF-FFFFSGIJSA-N (6R)-7-amino-3-[(1-methylpyrrolidin-1-ium-1-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate Chemical compound C[N+]1(CC2=C(N3[C@H](SC2)C(N)C3=O)C([O-])=O)CCCC1 IIVPIDBZUUAWTF-FFFFSGIJSA-N 0.000 abstract 1
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 108
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- 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 8
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 8
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- HVFLCNVBZFFHBT-FKULVZFESA-N (6r,7r)-7-[[(2e)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-[(1-methylpyrrolidin-1-ium-1-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate Chemical compound S([C@@H]1[C@@H](C(N1C=1C([O-])=O)=O)NC(=O)/C(=N/OC)C=2N=C(N)SC=2)CC=1C[N+]1(C)CCCC1 HVFLCNVBZFFHBT-FKULVZFESA-N 0.000 description 6
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- RTZWKPDHSRYJTN-UHFFFAOYSA-N 2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetic acid;hydrochloride Chemical compound Cl.CON=C(C(O)=O)C1=CSC(N)=N1 RTZWKPDHSRYJTN-UHFFFAOYSA-N 0.000 description 5
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- FHKPLLOSJHHKNU-INIZCTEOSA-N [(3S)-3-[8-(1-ethyl-5-methylpyrazol-4-yl)-9-methylpurin-6-yl]oxypyrrolidin-1-yl]-(oxan-4-yl)methanone Chemical compound C(C)N1N=CC(=C1C)C=1N(C2=NC=NC(=C2N=1)O[C@@H]1CN(CC1)C(=O)C1CCOCC1)C FHKPLLOSJHHKNU-INIZCTEOSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 125000000676 alkoxyimino group Chemical group 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000002152 aqueous-organic solution Substances 0.000 description 1
- 150000001540 azides Chemical class 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- MQLRYUCJDNBWMV-GHXIOONMSA-N cefetamet Chemical compound N([C@@H]1C(N2C(=C(C)CS[C@@H]21)C(O)=O)=O)C(=O)\C(=N/OC)C1=CSC(N)=N1 MQLRYUCJDNBWMV-GHXIOONMSA-N 0.000 description 1
- 229960004041 cefetamet Drugs 0.000 description 1
- HJJDBAOLQAWBMH-YCRCPZNHSA-N cefmenoxime Chemical compound S([C@@H]1[C@@H](C(N1C=1C(O)=O)=O)NC(=O)\C(=N/OC)C=2N=C(N)SC=2)CC=1CSC1=NN=NN1C HJJDBAOLQAWBMH-YCRCPZNHSA-N 0.000 description 1
- 229960003791 cefmenoxime Drugs 0.000 description 1
- 229960004261 cefotaxime Drugs 0.000 description 1
- AZZMGZXNTDTSME-JUZDKLSSSA-M cefotaxime sodium Chemical compound [Na+].N([C@@H]1C(N2C(=C(COC(C)=O)CS[C@@H]21)C([O-])=O)=O)C(=O)\C(=N/OC)C1=CSC(N)=N1 AZZMGZXNTDTSME-JUZDKLSSSA-M 0.000 description 1
- DKOQGJHPHLTOJR-WHRDSVKCSA-N cefpirome Chemical compound N([C@@H]1C(N2C(=C(C[N+]=3C=4CCCC=4C=CC=3)CS[C@@H]21)C([O-])=O)=O)C(=O)\C(=N/OC)C1=CSC(N)=N1 DKOQGJHPHLTOJR-WHRDSVKCSA-N 0.000 description 1
- 229960000466 cefpirome Drugs 0.000 description 1
- 229950000679 cefteram Drugs 0.000 description 1
- ZBHXIWJRIFEVQY-IHMPYVIRSA-N ceftiofur Chemical compound S([C@@H]1[C@@H](C(N1C=1C(O)=O)=O)NC(=O)\C(=N/OC)C=2N=C(N)SC=2)CC=1CSC(=O)C1=CC=CO1 ZBHXIWJRIFEVQY-IHMPYVIRSA-N 0.000 description 1
- 229960005229 ceftiofur Drugs 0.000 description 1
- CXHKZHZLDMQGFF-ZSDSSEDPSA-N cefuzonam Chemical compound S([C@@H]1[C@@H](C(N1C=1C(O)=O)=O)NC(=O)\C(=N/OC)C=2N=C(N)SC=2)CC=1CSC1=CN=NS1 CXHKZHZLDMQGFF-ZSDSSEDPSA-N 0.000 description 1
- 229950000807 cefuzonam Drugs 0.000 description 1
- 150000001782 cephems Chemical class 0.000 description 1
- 239000007810 chemical reaction solvent Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 238000013375 chromatographic separation Methods 0.000 description 1
- 238000004440 column chromatography Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010511 deprotection reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- CKQQMPJQZXIYMJ-UHFFFAOYSA-N dihydrate;dihydrochloride Chemical compound O.O.Cl.Cl CKQQMPJQZXIYMJ-UHFFFAOYSA-N 0.000 description 1
- NLFBCYMMUAKCPC-KQQUZDAGSA-N ethyl (e)-3-[3-amino-2-cyano-1-[(e)-3-ethoxy-3-oxoprop-1-enyl]sulfanyl-3-oxoprop-1-enyl]sulfanylprop-2-enoate Chemical compound CCOC(=O)\C=C\SC(=C(C#N)C(N)=O)S\C=C\C(=O)OCC NLFBCYMMUAKCPC-KQQUZDAGSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- AKRQHOWXVSDJEF-UHFFFAOYSA-N heptane-1-sulfonic acid Chemical compound CCCCCCCS(O)(=O)=O AKRQHOWXVSDJEF-UHFFFAOYSA-N 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical class I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000643 oven drying Methods 0.000 description 1
- 150000002923 oximes Chemical class 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920001467 poly(styrenesulfonates) Polymers 0.000 description 1
- 238000000634 powder X-ray diffraction Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- OVARTBFNCCXQKS-UHFFFAOYSA-N propan-2-one;hydrate Chemical compound O.CC(C)=O OVARTBFNCCXQKS-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000001055 reflectance spectroscopy Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000012453 solvate Substances 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 150000003462 sulfoxides Chemical class 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 150000007970 thio esters Chemical class 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D501/00—Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
- C07D501/14—Compounds having a nitrogen atom directly attached in position 7
- C07D501/16—Compounds having a nitrogen atom directly attached in position 7 with a double bond between positions 2 and 3
- C07D501/20—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids
- C07D501/24—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with hydrocarbon radicals, substituted by hetero atoms or hetero rings, attached in position 3
- C07D501/38—Methylene radicals, substituted by nitrogen atoms; Lactams thereof with the 2-carboxyl group; Methylene radicals substituted by nitrogen-containing hetero rings attached by the ring nitrogen atom; Quaternary compounds thereof
- C07D501/46—Methylene radicals, substituted by nitrogen atoms; Lactams thereof with the 2-carboxyl group; Methylene radicals substituted by nitrogen-containing hetero rings attached by the ring nitrogen atom; Quaternary compounds thereof with the 7-amino radical acylated by carboxylic acids containing hetero rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D501/00—Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/04—Antibacterial agents
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Communicable Diseases (AREA)
- Pharmacology & Pharmacy (AREA)
- Oncology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Cephalosporin Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Thiazole And Isothizaole Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US75710891A | 1991-09-10 | 1991-09-10 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO923496D0 NO923496D0 (no) | 1992-09-09 |
| NO923496L NO923496L (no) | 1993-03-11 |
| NO301766B1 true NO301766B1 (no) | 1997-12-08 |
Family
ID=25046385
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO923496A NO301766B1 (no) | 1991-09-10 | 1992-09-09 | Fremgangsmåte til fremstilling av et cefalosporinantibiotikum under anvendelse av syn-isomeren av et tiazolmellomprodukt |
| NO972098A NO306724B1 (no) | 1991-09-10 | 1997-05-07 | Fremgangsmåte til fremstilling av syn-isomeren av 2-(2-aminotiazol-4-yl)-2-metoksyaminoacetylklorid-hydroklorid |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO972098A NO306724B1 (no) | 1991-09-10 | 1997-05-07 | Fremgangsmåte til fremstilling av syn-isomeren av 2-(2-aminotiazol-4-yl)-2-metoksyaminoacetylklorid-hydroklorid |
Country Status (29)
| Country | Link |
|---|---|
| EP (1) | EP0533047B1 (fi) |
| JP (1) | JP3434839B2 (fi) |
| KR (1) | KR0177828B1 (fi) |
| CN (2) | CN1042536C (fi) |
| AT (1) | ATE239735T1 (fi) |
| AU (1) | AU654384B2 (fi) |
| BG (1) | BG61163B1 (fi) |
| CZ (1) | CZ282602B6 (fi) |
| DE (1) | DE69233042T2 (fi) |
| DK (1) | DK0533047T3 (fi) |
| EG (1) | EG20123A (fi) |
| ES (1) | ES2199215T3 (fi) |
| FI (1) | FI109126B (fi) |
| HU (1) | HU213267B (fi) |
| IL (1) | IL103110A (fi) |
| MX (1) | MX9205148A (fi) |
| MY (1) | MY108872A (fi) |
| NO (2) | NO301766B1 (fi) |
| NZ (2) | NZ244296A (fi) |
| OA (1) | OA09763A (fi) |
| PH (1) | PH30925A (fi) |
| PL (1) | PL175011B1 (fi) |
| PT (1) | PT533047E (fi) |
| RO (1) | RO109652B1 (fi) |
| RU (1) | RU2039059C1 (fi) |
| SK (1) | SK277992A3 (fi) |
| TW (1) | TW221442B (fi) |
| UY (1) | UY23476A1 (fi) |
| ZA (1) | ZA926870B (fi) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| YU81692A (sh) * | 1991-09-10 | 1995-03-27 | Bristol-Myers Co. | Postupak za proizvodnju cefalosporinskog antibiotika |
| CA2101571A1 (en) * | 1992-09-08 | 1994-03-09 | Elizabeth A. Garofalo | Crystalline dihydrate of a cephalosporin dihydrate salt and injectable compositions thereof |
| KR19980019860A (ko) * | 1996-09-04 | 1998-06-25 | 김윤배 | 세팔로스포린 중간체의 신규한 제조방법 |
| BG64828B1 (bg) * | 2001-04-04 | 2006-05-31 | "Векта" Оод | Метод за получаване на горивна смес от дизелово гориво |
| CN1301240C (zh) * | 2005-01-25 | 2007-02-21 | 江苏省原子医学研究所 | 一种荧光标记试剂2－萘氧基乙酰氯的制备和应用 |
| KR100760429B1 (ko) * | 2006-03-03 | 2007-10-04 | 한미약품 주식회사 | 세팔로스포린 제조용 중간체로 사용되는2-아미노티아졸-4-일 아세틸클로라이드 염산염의 개선된제조방법 |
| ES2973874T3 (es) * | 2016-06-06 | 2024-06-24 | Merck Sharp & Dohme Llc | Formas sólidas de ceftolozano y procesos para su preparación |
| CN108285436B (zh) * | 2018-03-16 | 2020-10-16 | 河北合佳医药科技集团股份有限公司 | 一种ae-活性酯的制备工艺 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1213882A (en) * | 1982-03-04 | 1986-11-12 | Jun Okumura | Cephalosporins |
| DE3419015A1 (de) * | 1984-05-22 | 1985-11-28 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von cephalosporinen |
| GB2165245B (en) * | 1984-10-01 | 1988-05-25 | Glaxo Group Ltd | Chemical compounds |
| US4910301A (en) * | 1985-08-05 | 1990-03-20 | Bristol-Myers Company | Cefepime cephalosporin salts |
| US4714760A (en) * | 1985-08-20 | 1987-12-22 | Bristol-Myers Company | Cephalosporin intermediates |
| YU81692A (sh) * | 1991-09-10 | 1995-03-27 | Bristol-Myers Co. | Postupak za proizvodnju cefalosporinskog antibiotika |
-
1992
- 1992-09-08 MY MYPI92001607A patent/MY108872A/en unknown
- 1992-09-08 IL IL103110A patent/IL103110A/xx not_active IP Right Cessation
- 1992-09-09 CZ CS922779A patent/CZ282602B6/cs not_active IP Right Cessation
- 1992-09-09 DK DK92115430T patent/DK0533047T3/da active
- 1992-09-09 EG EG52592A patent/EG20123A/xx active
- 1992-09-09 SK SK2779-92A patent/SK277992A3/sk not_active IP Right Cessation
- 1992-09-09 PL PL92295872A patent/PL175011B1/pl not_active IP Right Cessation
- 1992-09-09 RO RO92-01176A patent/RO109652B1/ro unknown
- 1992-09-09 EP EP92115430A patent/EP0533047B1/en not_active Expired - Lifetime
- 1992-09-09 FI FI924032A patent/FI109126B/fi not_active IP Right Cessation
- 1992-09-09 MX MX9205148A patent/MX9205148A/es unknown
- 1992-09-09 CN CN92110601A patent/CN1042536C/zh not_active Expired - Fee Related
- 1992-09-09 JP JP28213492A patent/JP3434839B2/ja not_active Expired - Fee Related
- 1992-09-09 PH PH44906A patent/PH30925A/en unknown
- 1992-09-09 ES ES92115430T patent/ES2199215T3/es not_active Expired - Lifetime
- 1992-09-09 PT PT92115430T patent/PT533047E/pt unknown
- 1992-09-09 OA OA60268A patent/OA09763A/fr unknown
- 1992-09-09 AT AT92115430T patent/ATE239735T1/de active
- 1992-09-09 NO NO923496A patent/NO301766B1/no not_active IP Right Cessation
- 1992-09-09 UY UY23476A patent/UY23476A1/es not_active IP Right Cessation
- 1992-09-09 DE DE69233042T patent/DE69233042T2/de not_active Expired - Lifetime
- 1992-09-09 TW TW081107126A patent/TW221442B/zh not_active IP Right Cessation
- 1992-09-09 HU HU9202885A patent/HU213267B/hu not_active IP Right Cessation
- 1992-09-09 KR KR1019920016596A patent/KR0177828B1/ko not_active IP Right Cessation
- 1992-09-09 RU SU925052818A patent/RU2039059C1/ru active
- 1992-09-09 ZA ZA926870A patent/ZA926870B/xx unknown
- 1992-09-09 AU AU22845/92A patent/AU654384B2/en not_active Ceased
- 1992-09-10 NZ NZ244296A patent/NZ244296A/en not_active IP Right Cessation
- 1992-09-10 BG BG96858A patent/BG61163B1/bg unknown
- 1992-09-10 NZ NZ272673A patent/NZ272673A/en not_active IP Right Cessation
-
1996
- 1996-05-20 CN CN96106640A patent/CN1140714A/zh active Pending
-
1997
- 1997-05-07 NO NO972098A patent/NO306724B1/no not_active IP Right Cessation
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM1K | Lapsed by not paying the annual fees |