NO753255L - - Google Patents
Info
- Publication number
- NO753255L NO753255L NO753255A NO753255A NO753255L NO 753255 L NO753255 L NO 753255L NO 753255 A NO753255 A NO 753255A NO 753255 A NO753255 A NO 753255A NO 753255 L NO753255 L NO 753255L
- Authority
- NO
- Norway
- Prior art keywords
- acid
- aca
- mmol
- group
- mixture
- Prior art date
Links
- HSHGZXNAXBPPDL-HZGVNTEJSA-N 7beta-aminocephalosporanic acid Chemical class S1CC(COC(=O)C)=C(C([O-])=O)N2C(=O)[C@@H]([NH3+])[C@@H]12 HSHGZXNAXBPPDL-HZGVNTEJSA-N 0.000 claims description 26
- 238000004519 manufacturing process Methods 0.000 claims description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 6
- -1 aikenyl Chemical group 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 6
- 125000006239 protecting group Chemical group 0.000 claims description 6
- 239000000543 intermediate Substances 0.000 claims description 5
- 229910052717 sulfur Inorganic materials 0.000 claims description 5
- 239000011593 sulfur Chemical group 0.000 claims description 5
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 125000000304 alkynyl group Chemical group 0.000 claims description 4
- 239000013067 intermediate product Substances 0.000 claims description 4
- 125000003342 alkenyl group Chemical group 0.000 claims description 3
- 125000002668 chloroacetyl group Chemical group ClCC(=O)* 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 150000002367 halogens Chemical class 0.000 claims description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 2
- 239000005864 Sulphur Chemical group 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 24
- JLTDJTHDQAWBAV-UHFFFAOYSA-N N,N-dimethylaniline Chemical compound CN(C)C1=CC=CC=C1 JLTDJTHDQAWBAV-UHFFFAOYSA-N 0.000 description 17
- 239000000203 mixture Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 15
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 12
- 229940124587 cephalosporin Drugs 0.000 description 11
- WETWJCDKMRHUPV-UHFFFAOYSA-N acetyl chloride Chemical compound CC(Cl)=O WETWJCDKMRHUPV-UHFFFAOYSA-N 0.000 description 10
- 239000012346 acetyl chloride Substances 0.000 description 10
- 150000008064 anhydrides Chemical class 0.000 description 10
- 150000001780 cephalosporins Chemical class 0.000 description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
- 229930186147 Cephalosporin Natural products 0.000 description 9
- 239000002253 acid Substances 0.000 description 9
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 8
- 230000007062 hydrolysis Effects 0.000 description 7
- 238000006460 hydrolysis reaction Methods 0.000 description 7
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 6
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 6
- UHZYTMXLRWXGPK-UHFFFAOYSA-N phosphorus pentachloride Chemical compound ClP(Cl)(Cl)(Cl)Cl UHZYTMXLRWXGPK-UHFFFAOYSA-N 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- HOKIDJSKDBPKTQ-GLXFQSAKSA-N Cephalosporin C Natural products S1CC(COC(=O)C)=C(C(O)=O)N2C(=O)[C@@H](NC(=O)CCC[C@@H](N)C(O)=O)[C@@H]12 HOKIDJSKDBPKTQ-GLXFQSAKSA-N 0.000 description 5
- 239000008346 aqueous phase Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 5
- HOKIDJSKDBPKTQ-GLXFQSAKSA-M cephalosporin C(1-) Chemical compound S1CC(COC(=O)C)=C(C([O-])=O)N2C(=O)[C@@H](NC(=O)CCC[C@@H]([NH3+])C([O-])=O)[C@@H]12 HOKIDJSKDBPKTQ-GLXFQSAKSA-M 0.000 description 5
- 150000002148 esters Chemical class 0.000 description 5
- CCGKOQOJPYTBIH-UHFFFAOYSA-N ethenone Chemical compound C=C=O CCGKOQOJPYTBIH-UHFFFAOYSA-N 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 239000000725 suspension Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 4
- ODUCDPQEXGNKDN-UHFFFAOYSA-N nitroxyl Chemical compound O=N ODUCDPQEXGNKDN-UHFFFAOYSA-N 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 125000003396 thiol group Chemical group [H]S* 0.000 description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 125000003277 amino group Chemical group 0.000 description 3
- 239000000908 ammonium hydroxide Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- GGSUCNLOZRCGPQ-UHFFFAOYSA-N diethylaniline Chemical compound CCN(CC)C1=CC=CC=C1 GGSUCNLOZRCGPQ-UHFFFAOYSA-N 0.000 description 3
- 125000001181 organosilyl group Chemical group [SiH3]* 0.000 description 3
- 235000019260 propionic acid Nutrition 0.000 description 3
- 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 description 3
- 238000004809 thin layer chromatography Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 125000003368 amide group Chemical group 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 239000006286 aqueous extract Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- 150000001721 carbon Chemical class 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000003776 cleavage reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 description 2
- 230000002140 halogenating effect Effects 0.000 description 2
- 238000006317 isomerization reaction Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- LCPDWSOZIOUXRV-UHFFFAOYSA-N phenoxyacetic acid Chemical compound OC(=O)COC1=CC=CC=C1 LCPDWSOZIOUXRV-UHFFFAOYSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 2
- JVSFQJZRHXAUGT-UHFFFAOYSA-N 2,2-dimethylpropanoyl chloride Chemical compound CC(C)(C)C(Cl)=O JVSFQJZRHXAUGT-UHFFFAOYSA-N 0.000 description 1
- VYSRZETUSAOIMP-UHFFFAOYSA-N 2-furanacetic acid Chemical compound OC(=O)CC1=CC=CO1 VYSRZETUSAOIMP-UHFFFAOYSA-N 0.000 description 1
- PKUPAJQAJXVUEK-UHFFFAOYSA-N 2-phenoxyacetyl chloride Chemical compound ClC(=O)COC1=CC=CC=C1 PKUPAJQAJXVUEK-UHFFFAOYSA-N 0.000 description 1
- WLJVXDMOQOGPHL-PPJXEINESA-N 2-phenylacetic acid Chemical compound O[14C](=O)CC1=CC=CC=C1 WLJVXDMOQOGPHL-PPJXEINESA-N 0.000 description 1
- VMZCDNSFRSVYKQ-UHFFFAOYSA-N 2-phenylacetyl chloride Chemical compound ClC(=O)CC1=CC=CC=C1 VMZCDNSFRSVYKQ-UHFFFAOYSA-N 0.000 description 1
- LNMBCRKRCIMQLW-UHFFFAOYSA-N 2-tert-butylsulfanyl-2-methylpropane Chemical class CC(C)(C)SC(C)(C)C LNMBCRKRCIMQLW-UHFFFAOYSA-N 0.000 description 1
- SMJRBWINMFUUDS-UHFFFAOYSA-N 2-thienylacetic acid Chemical compound OC(=O)CC1=CC=CS1 SMJRBWINMFUUDS-UHFFFAOYSA-N 0.000 description 1
- AJYXPNIENRLELY-UHFFFAOYSA-N 2-thiophen-2-ylacetyl chloride Chemical compound ClC(=O)CC1=CC=CS1 AJYXPNIENRLELY-UHFFFAOYSA-N 0.000 description 1
- CKWJMSJDPJKJON-UHFFFAOYSA-N 3-chloropent-2-enoic acid Chemical compound CCC(Cl)=CC(O)=O CKWJMSJDPJKJON-UHFFFAOYSA-N 0.000 description 1
- WJTPGNRSYSJJOP-UHFFFAOYSA-N 4-bromobut-2-ynoic acid Chemical compound BrCC#CC(=O)O WJTPGNRSYSJJOP-UHFFFAOYSA-N 0.000 description 1
- XVMSFILGAMDHEY-UHFFFAOYSA-N 6-(4-aminophenyl)sulfonylpyridin-3-amine Chemical compound C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=N1 XVMSFILGAMDHEY-UHFFFAOYSA-N 0.000 description 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical class [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- VGCXGMAHQTYDJK-UHFFFAOYSA-N Chloroacetyl chloride Chemical compound ClCC(Cl)=O VGCXGMAHQTYDJK-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
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229960000583 acetic acid Drugs 0.000 description 1
- 150000004075 acetic anhydrides Chemical class 0.000 description 1
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 1
- 125000003668 acetyloxy group Chemical group [H]C([H])([H])C(=O)O[*] 0.000 description 1
- 238000005903 acid hydrolysis reaction Methods 0.000 description 1
- 238000006136 alcoholysis reaction Methods 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 125000004453 alkoxycarbonyl group Chemical group 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 125000003435 aroyl group Chemical group 0.000 description 1
- 125000005161 aryl oxy carbonyl group Chemical group 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 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
- 125000001584 benzyloxycarbonyl group Chemical group C(=O)(OCC1=CC=CC=C1)* 0.000 description 1
- 238000012474 bioautography Methods 0.000 description 1
- 125000001589 carboacyl group Chemical group 0.000 description 1
- UEIHHVGIYYSXAY-UHFFFAOYSA-N carbon dioxide;tetrachloromethane Chemical compound O=C=O.ClC(Cl)(Cl)Cl UEIHHVGIYYSXAY-UHFFFAOYSA-N 0.000 description 1
- 238000007385 chemical modification Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 description 1
- 229940106681 chloroacetic acid Drugs 0.000 description 1
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 1
- XXBDWLFCJWSEKW-UHFFFAOYSA-N dimethylbenzylamine Chemical compound CN(C)CC1=CC=CC=C1 XXBDWLFCJWSEKW-UHFFFAOYSA-N 0.000 description 1
- ZZVUWRFHKOJYTH-UHFFFAOYSA-N diphenhydramine Chemical group C=1C=CC=CC=1C(OCCN(C)C)C1=CC=CC=C1 ZZVUWRFHKOJYTH-UHFFFAOYSA-N 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- UCVODTZQZHMTPN-UHFFFAOYSA-N heptanoyl chloride Chemical compound CCCCCCC(Cl)=O UCVODTZQZHMTPN-UHFFFAOYSA-N 0.000 description 1
- 239000012433 hydrogen halide Substances 0.000 description 1
- 229910000039 hydrogen halide Inorganic materials 0.000 description 1
- 238000007327 hydrogenolysis reaction Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 125000003232 p-nitrobenzoyl group Chemical group [N+](=O)([O-])C1=CC=C(C(=O)*)C=C1 0.000 description 1
- UYWQUFXKFGHYNT-UHFFFAOYSA-N phenylmethyl ester of formic acid Natural products O=COCC1=CC=CC=C1 UYWQUFXKFGHYNT-UHFFFAOYSA-N 0.000 description 1
- 125000000612 phthaloyl group Chemical group C(C=1C(C(=O)*)=CC=CC1)(=O)* 0.000 description 1
- RZWZRACFZGVKFM-UHFFFAOYSA-N propanoyl chloride Chemical compound CCC(Cl)=O RZWZRACFZGVKFM-UHFFFAOYSA-N 0.000 description 1
- 229940095574 propionic acid Drugs 0.000 description 1
- UORVCLMRJXCDCP-UHFFFAOYSA-N propynoic acid Chemical compound OC(=O)C#C UORVCLMRJXCDCP-UHFFFAOYSA-N 0.000 description 1
- GPVVBCKMCIOPMN-UHFFFAOYSA-N quinolin-1-ium;hydroxide Chemical compound O.N1=CC=CC2=CC=CC=C21 GPVVBCKMCIOPMN-UHFFFAOYSA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000012258 stirred mixture Substances 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 150000007970 thio esters Chemical class 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- 125000002221 trityl group Chemical group [H]C1=C([H])C([H])=C([H])C([H])=C1C([*])(C1=C(C(=C(C(=C1[H])[H])[H])[H])[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 229940005605 valeric acid Drugs 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Cephalosporin Compounds (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO753255A NO753255L (ru) | 1969-11-13 | 1975-09-24 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US87659769A | 1969-11-13 | 1969-11-13 | |
| NO4303/70A NO143318C (no) | 1969-11-13 | 1970-11-11 | Fremgangsmaate for fremstilling av 7-amino-cefalo-sporansyre ved spalting av 7-karboksamidogruppen i n-kloracetyl-cefalosporin c |
| NO753255A NO753255L (ru) | 1969-11-13 | 1975-09-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO753255L true NO753255L (ru) | 1971-05-14 |
Family
ID=27352668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO753255A NO753255L (ru) | 1969-11-13 | 1975-09-24 |
Country Status (1)
| Country | Link |
|---|---|
| NO (1) | NO753255L (ru) |
-
1975
- 1975-09-24 NO NO753255A patent/NO753255L/no unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| NO145918B (no) | Fremgangsmaate for fremstilling av 7-acylamido-3-cefem-4-karboksylsyrer. | |
| SE453507B (sv) | 7-amino-3-(1-karboxi-(legre alkyl)-tetrazol-5-yltiometyl)-3-cefem-4-karboxylsyror till anvendning som mellanprodukter for framstellning av motsvarande 7-acylamido-cefalosporiner | |
| NO147916B (no) | Fremgangsmaate for fremstilling av 3-metylen-cefalosporin-forbindelser. | |
| SU546282A3 (ru) | Способ получени 7- -амино-7 метокси-цефалоспориновых эфиров | |
| US4647658A (en) | Process for preparing aminohydroxycephamcarboxylates | |
| ITTO961040A1 (it) | Processo per la produziond di cefazolina | |
| NO753255L (ru) | ||
| US4387232A (en) | Process for preparing N-acylcarnosine | |
| US3507860A (en) | Process for the purification of crude 7-aminocephalosporanic acid and acid addition salts of 7 - amino - cephalosporanic acid employed therein | |
| US4071531A (en) | Oxathiino- and dithiino-aminoacetic acids | |
| US4281117A (en) | Process for 3-chloro cephalosporin nucleus | |
| US3641018A (en) | Process for preparing 7-amino cephalosporanic acid | |
| KR830001969B1 (ko) | 6―｛D―(―) α-(4―에틸-2. 3-디옥소-1 피페라지노카보닐아미노) 페닐(또는 하이드록시페닐)아세트아미도 페니실란산 및 그 염의 제조방법 | |
| WO1999020631A1 (fr) | Procede de production de composes de 3 cephems | |
| SU1039444A3 (ru) | Способ получени 1-оксадетиацефалоспоринов | |
| US6214997B1 (en) | Process for the preparation of crystalline (Z)-2-(2-tert.-butoxycarbonylprop-2-oxyimino)-2-(2-triphenylmethylaminothiazol-4-yl) acetic acid in association with N,N-dimethylformamide | |
| US3840532A (en) | Process for cleaving cephalosporin compounds | |
| AU581541B2 (en) | Method of preparing 6-betahalopenicillanic acids | |
| SU501676A3 (ru) | Способ получени 7-аминоцефалоспорановой кислоты | |
| EP0003329B1 (en) | Cephalexin-amide complex, process for its production and use in cephalexin-monohydrate production | |
| EP0014565B1 (en) | 3-hydroxycephalosporin solvates and process for their production | |
| Chauvette et al. | Preparation of 7-aminocephalosporanic acid and 6-aminopenicillanic acid | |
| US4204058A (en) | Process for obtaining cephalosporin C and the salts and derivatives thereof from culture filtrates or culture solutions | |
| KR810000637B1 (ko) | 세팔로스포린 화합물의 제조법 | |
| DE2163514A1 (de) | Verfahren zur herstellung von cephalosporinen |