CS214694B2 - Method of preparation of the cefalosporine solvates - Google Patents
Method of preparation of the cefalosporine solvates Download PDFInfo
- Publication number
- CS214694B2 CS214694B2 CS80658A CS65880A CS214694B2 CS 214694 B2 CS214694 B2 CS 214694B2 CS 80658 A CS80658 A CS 80658A CS 65880 A CS65880 A CS 65880A CS 214694 B2 CS214694 B2 CS 214694B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- acetic acid
- solvate
- hydroxy
- water
- nitrobenzyl
- Prior art date
Links
- 239000012453 solvate Substances 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims description 9
- 238000002360 preparation method Methods 0.000 title claims description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical group CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 145
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 66
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims abstract description 65
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims abstract description 52
- 235000019260 propionic acid Nutrition 0.000 claims abstract description 26
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound 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 claims abstract description 26
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Natural products C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract 3
- ATTZFSUZZUNHBP-UHFFFAOYSA-N Piperonyl sulfoxide Chemical compound CCCCCCCCS(=O)C(C)CC1=CC=C2OCOC2=C1 ATTZFSUZZUNHBP-UHFFFAOYSA-N 0.000 claims abstract 2
- 239000000203 mixture Substances 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 125000000896 monocarboxylic acid group Chemical group 0.000 claims description 14
- 239000002904 solvent Substances 0.000 claims description 14
- 238000002425 crystallisation Methods 0.000 claims description 8
- 150000003462 sulfoxides Chemical class 0.000 claims description 8
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 7
- 230000008025 crystallization Effects 0.000 claims description 7
- -1 acetic acid sulfoxide Chemical class 0.000 claims description 6
- 229930186147 Cephalosporin Natural products 0.000 claims description 5
- 229940124587 cephalosporin Drugs 0.000 claims description 5
- 150000001780 cephalosporins Chemical class 0.000 claims description 4
- 239000003960 organic solvent Substances 0.000 claims description 3
- ZCHPKWUIAASXPV-UHFFFAOYSA-N acetic acid;methanol Chemical compound OC.CC(O)=O ZCHPKWUIAASXPV-UHFFFAOYSA-N 0.000 claims 1
- 150000001782 cephems Chemical class 0.000 claims 1
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 17
- 239000000243 solution Substances 0.000 description 16
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 15
- 239000000047 product Substances 0.000 description 13
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 9
- 150000001875 compounds Chemical class 0.000 description 7
- 239000011541 reaction mixture Substances 0.000 description 6
- ZUBXPSDFPQTKQN-ZCFIWIBFSA-N (6r)-3-hydroxy-5-thia-1-azabicyclo[4.2.0]oct-2-en-8-one Chemical compound S1CC(O)=CN2C(=O)C[C@H]21 ZUBXPSDFPQTKQN-ZCFIWIBFSA-N 0.000 description 5
- 238000005481 NMR spectroscopy Methods 0.000 description 5
- FXXACINHVKSMDR-UHFFFAOYSA-N acetyl bromide Chemical compound CC(Br)=O FXXACINHVKSMDR-UHFFFAOYSA-N 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- BKOOMYPCSUNDGP-UHFFFAOYSA-N 2-methylbut-2-ene Chemical group CC=C(C)C BKOOMYPCSUNDGP-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 101100087528 Mus musculus Rhoj gene Proteins 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 3
- FCZNNHHXCFARDY-WQRUCBPWSA-N (2s,5r,6r)-3,3-dimethyl-4,7-dioxo-6-[(2-phenylacetyl)amino]-4$l^{4}-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid Chemical compound N([C@H]1[C@@H]2N(C1=O)[C@H](C(S2=O)(C)C)C(O)=O)C(=O)CC1=CC=CC=C1 FCZNNHHXCFARDY-WQRUCBPWSA-N 0.000 description 2
- UBOXGVDOUJQMTN-UHFFFAOYSA-N 1,1,2-trichloroethane Chemical compound ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 230000003115 biocidal effect Effects 0.000 description 2
- 239000012267 brine Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 238000005949 ozonolysis reaction Methods 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- 235000011152 sodium sulphate Nutrition 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 2
- WCRKZNRTRADCRA-QRDQUSRPSA-N (4-nitrophenyl)methyl (6r)-3-hydroxy-5,8-dioxo-7-[(2-phenoxyacetyl)amino]-5$l^{4}-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate Chemical compound C1([C@@H]2N(C1=O)C(=C(CS2=O)O)C(=O)OCC=1C=CC(=CC=1)[N+]([O-])=O)NC(=O)COC1=CC=CC=C1 WCRKZNRTRADCRA-QRDQUSRPSA-N 0.000 description 1
- ARXCQCNOQIGXDG-CBQMELLWSA-N (6R)-3-hydroxy-4-[(4-nitrophenyl)methyl]-5,8-dioxo-7-[(2-phenoxyacetyl)amino]-5lambda4-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Chemical compound C1=CC=C(C=C1)OCC(=O)NC2[C@@H]3N(C2=O)C(=C(C(S3=O)CC4=CC=C(C=C4)[N+](=O)[O-])O)C(=O)O ARXCQCNOQIGXDG-CBQMELLWSA-N 0.000 description 1
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-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
- 229930182555 Penicillin Natural products 0.000 description 1
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 1
- PQLVXDKIJBQVDF-UHFFFAOYSA-N acetic acid;hydrate Chemical compound O.CC(O)=O PQLVXDKIJBQVDF-UHFFFAOYSA-N 0.000 description 1
- WETWJCDKMRHUPV-UHFFFAOYSA-N acetyl chloride Chemical compound CC(Cl)=O WETWJCDKMRHUPV-UHFFFAOYSA-N 0.000 description 1
- 239000012346 acetyl chloride Substances 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 125000002619 bicyclic group Chemical group 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 125000001271 cephalosporin group Chemical group 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 150000004292 cyclic ethers Chemical class 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- XBFMJHQFVWWFLA-UHFFFAOYSA-N hexane;pentane Chemical compound CCCCC.CCCCCC XBFMJHQFVWWFLA-UHFFFAOYSA-N 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000006503 p-nitrobenzyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1[N+]([O-])=O)C([H])([H])* 0.000 description 1
- 150000002960 penicillins Chemical class 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- FAIAAWCVCHQXDN-UHFFFAOYSA-N phosphorus trichloride Chemical compound ClP(Cl)Cl FAIAAWCVCHQXDN-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 238000005406 washing Methods 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
- C07D501/26—Methylene radicals, substituted by oxygen atoms; Lactones thereof with the 2-carboxyl group
- C07D501/32—Methylene radicals, substituted by oxygen atoms; Lactones thereof with the 2-carboxyl group with the 7-amino radical acylated by an araliphatic carboxylic acid, which is substituted on the aliphatic radical by hetero atoms
-
- 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
- C07D501/59—Compounds having a nitrogen atom directly attached in position 7 with a double bond between positions 2 and 3 with hetero atoms directly attached in position 3
-
- 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
-
- 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
- C07D501/26—Methylene radicals, substituted by oxygen atoms; Lactones thereof with the 2-carboxyl group
- C07D501/30—Methylene radicals, substituted by oxygen atoms; Lactones thereof with the 2-carboxyl group with the 7-amino-radical acylated by an araliphatic carboxylic acid
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US846879A | 1979-02-01 | 1979-02-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS214694B2 true CS214694B2 (en) | 1982-05-28 |
Family
ID=21731772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS80658A CS214694B2 (en) | 1979-02-01 | 1980-01-31 | Method of preparation of the cefalosporine solvates |
Country Status (32)
| Country | Link |
|---|---|
| EP (1) | EP0014565B1 (en, 2012) |
| JP (1) | JPS55104288A (en, 2012) |
| KR (1) | KR830001890B1 (en, 2012) |
| AR (1) | AR228342A1 (en, 2012) |
| AT (1) | AT366052B (en, 2012) |
| AU (1) | AU532573B2 (en, 2012) |
| BE (1) | BE881423A (en, 2012) |
| BG (1) | BG32857A3 (en, 2012) |
| CA (1) | CA1142173A (en, 2012) |
| CH (1) | CH647525A5 (en, 2012) |
| CS (1) | CS214694B2 (en, 2012) |
| DD (1) | DD148953A5 (en, 2012) |
| DE (1) | DE3062095D1 (en, 2012) |
| DK (1) | DK159157C (en, 2012) |
| ES (1) | ES8103098A1 (en, 2012) |
| FI (1) | FI68239C (en, 2012) |
| FR (1) | FR2447925A1 (en, 2012) |
| GB (1) | GB2041934B (en, 2012) |
| GR (1) | GR72785B (en, 2012) |
| HU (2) | HU181761B (en, 2012) |
| IE (1) | IE49374B1 (en, 2012) |
| IL (1) | IL59265A (en, 2012) |
| IT (1) | IT1130239B (en, 2012) |
| LU (1) | LU82118A1 (en, 2012) |
| NZ (1) | NZ192750A (en, 2012) |
| PH (1) | PH15152A (en, 2012) |
| PL (1) | PL122609B1 (en, 2012) |
| PT (1) | PT70742A (en, 2012) |
| RO (2) | RO83702B (en, 2012) |
| SU (2) | SU897109A3 (en, 2012) |
| YU (1) | YU22480A (en, 2012) |
| ZA (1) | ZA80523B (en, 2012) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3128949A1 (de) * | 1981-07-22 | 1983-02-10 | Basf Ag, 6700 Ludwigshafen | Lichtempfindliche aufzeichnungsmaterialien zur herstellung von abriebs- und kratzfesten tiefdruckformen sowie verfahren zur herstellung von tiefdruckformen mittels dieser aufzeichnungsmaterialien |
| JPS6011491A (ja) * | 1983-03-04 | 1985-01-21 | Shionogi & Co Ltd | セフアロチンナトリウムの結晶性凍結乾燥粉末の製造法 |
| US4782144A (en) * | 1987-09-14 | 1988-11-01 | Eli Lilly And Company | 1-carba(dethia)-3-hydroxy-3-cephem ester crystalline and crystalline solvate thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3985747A (en) * | 1974-05-24 | 1976-10-12 | Bristol-Myers Company | Crystalline sesquihydrate of 7-[D-α-amino-α-(p-hydroxyphenyl)acetamido]-3-(1,2,3-triazol-5-ylthiomethyl)-3-cephem-4-carboxylic acid |
| US4044002A (en) * | 1976-06-09 | 1977-08-23 | Eli Lilly And Company | Reduction process for cephalosporin sulfoxides |
-
1980
- 1980-01-03 IE IE191/80A patent/IE49374B1/en not_active IP Right Cessation
- 1980-01-29 PT PT70742A patent/PT70742A/pt active IP Right Revival
- 1980-01-29 HU HU80189A patent/HU181761B/hu unknown
- 1980-01-29 NZ NZ192750A patent/NZ192750A/xx unknown
- 1980-01-29 YU YU00224/80A patent/YU22480A/xx unknown
- 1980-01-29 GR GR61064A patent/GR72785B/el unknown
- 1980-01-29 AU AU55026/80A patent/AU532573B2/en not_active Expired
- 1980-01-29 ZA ZA00800523A patent/ZA80523B/xx unknown
- 1980-01-29 HU HU80192A patent/HU182095B/hu unknown
- 1980-01-29 IL IL59265A patent/IL59265A/xx unknown
- 1980-01-30 BE BE1/9699A patent/BE881423A/fr not_active IP Right Cessation
- 1980-01-30 CA CA000344677A patent/CA1142173A/en not_active Expired
- 1980-01-30 FR FR8001966A patent/FR2447925A1/fr active Granted
- 1980-01-30 BG BG046408A patent/BG32857A3/xx unknown
- 1980-01-31 CS CS80658A patent/CS214694B2/cs unknown
- 1980-01-31 JP JP1196280A patent/JPS55104288A/ja active Granted
- 1980-01-31 CH CH795/80A patent/CH647525A5/fr not_active IP Right Cessation
- 1980-01-31 LU LU82118A patent/LU82118A1/fr unknown
- 1980-01-31 GB GB8003294A patent/GB2041934B/en not_active Expired
- 1980-01-31 AT AT0049980A patent/AT366052B/de not_active IP Right Cessation
- 1980-01-31 EP EP80300281A patent/EP0014565B1/en not_active Expired
- 1980-01-31 IT IT19607/80A patent/IT1130239B/it active
- 1980-01-31 DK DK041180A patent/DK159157C/da not_active IP Right Cessation
- 1980-01-31 DE DE8080300281T patent/DE3062095D1/de not_active Expired
- 1980-02-01 ES ES488229A patent/ES8103098A1/es not_active Expired
- 1980-02-01 KR KR1019800000402A patent/KR830001890B1/ko not_active Expired
- 1980-02-01 SU SU802877808A patent/SU897109A3/ru active
- 1980-02-01 RO RO107056A patent/RO83702B/ro unknown
- 1980-02-01 FI FI800300A patent/FI68239C/fi not_active IP Right Cessation
- 1980-02-01 PL PL1980221748A patent/PL122609B1/pl unknown
- 1980-02-01 RO RO80100063A patent/RO79181A/ro unknown
- 1980-02-01 PH PH23579A patent/PH15152A/en unknown
- 1980-02-01 AR AR279834A patent/AR228342A1/es active
- 1980-02-01 DD DD80218815A patent/DD148953A5/de unknown
-
1981
- 1981-01-26 SU SU813233006A patent/SU938740A3/ru active
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