DE2240442A1 - Verfahren zur herstellung von aminopenicillinen - Google Patents
Verfahren zur herstellung von aminopenicillinenInfo
- Publication number
- DE2240442A1 DE2240442A1 DE2240442A DE2240442A DE2240442A1 DE 2240442 A1 DE2240442 A1 DE 2240442A1 DE 2240442 A DE2240442 A DE 2240442A DE 2240442 A DE2240442 A DE 2240442A DE 2240442 A1 DE2240442 A1 DE 2240442A1
- Authority
- DE
- Germany
- Prior art keywords
- condensation
- water
- aminopenicillins
- substituted
- crystallization
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 21
- 238000004519 manufacturing process Methods 0.000 title description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 13
- NGHVIOIJCVXTGV-ALEPSDHESA-N 6-aminopenicillanic acid Chemical compound [O-]C(=O)[C@H]1C(C)(C)S[C@@H]2[C@H]([NH3+])C(=O)N21 NGHVIOIJCVXTGV-ALEPSDHESA-N 0.000 claims description 11
- NGHVIOIJCVXTGV-UHFFFAOYSA-N 6beta-amino-penicillanic acid Natural products OC(=O)C1C(C)(C)SC2C(N)C(=O)N21 NGHVIOIJCVXTGV-UHFFFAOYSA-N 0.000 claims description 11
- 239000002904 solvent Substances 0.000 claims description 11
- 238000009833 condensation Methods 0.000 claims description 10
- 230000005494 condensation Effects 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 9
- 238000000605 extraction Methods 0.000 claims description 8
- 238000002425 crystallisation Methods 0.000 claims description 6
- 230000008025 crystallization Effects 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 5
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 4
- 239000002585 base Substances 0.000 claims description 4
- 239000002609 medium Substances 0.000 claims description 4
- 239000012736 aqueous medium Substances 0.000 claims description 3
- 239000003960 organic solvent Substances 0.000 claims description 3
- 125000001424 substituent group Chemical group 0.000 claims description 3
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 claims description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 2
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 claims description 2
- 230000002378 acidificating effect Effects 0.000 claims description 2
- 239000003513 alkali Substances 0.000 claims description 2
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 2
- 125000003545 alkoxy group Chemical group 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- 239000000460 chlorine Substances 0.000 claims description 2
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 2
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 claims description 2
- MEAZEHJUPLREOQ-UHFFFAOYSA-N 2-amino-2-phenylacetyl chloride Chemical compound ClC(=O)C(N)C1=CC=CC=C1 MEAZEHJUPLREOQ-UHFFFAOYSA-N 0.000 claims 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 claims 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 238000003756 stirring Methods 0.000 description 10
- 239000000047 product Substances 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- 239000008346 aqueous phase Substances 0.000 description 6
- 125000003277 amino group Chemical group 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- AVKUERGKIZMTKX-NJBDSQKTSA-N ampicillin Chemical compound C1([C@@H](N)C(=O)N[C@H]2[C@H]3SC([C@@H](N3C2=O)C(O)=O)(C)C)=CC=CC=C1 AVKUERGKIZMTKX-NJBDSQKTSA-N 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000008231 carbon dioxide-free water Substances 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 108090000765 processed proteins & peptides Proteins 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- AVKUERGKIZMTKX-YXLKDIQASA-N (2s,5r)-6-[(2-amino-2-phenylacetyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid Chemical compound C1([C@H]2SC([C@@H](N2C1=O)C(O)=O)(C)C)NC(=O)C(N)C1=CC=CC=C1 AVKUERGKIZMTKX-YXLKDIQASA-N 0.000 description 2
- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical compound CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 description 2
- GVVFCAFBYHYGEE-UHFFFAOYSA-N 2-amino-2-phenylacetyl chloride;hydron;chloride Chemical compound Cl.ClC(=O)C(N)C1=CC=CC=C1 GVVFCAFBYHYGEE-UHFFFAOYSA-N 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- 229930182555 Penicillin Natural products 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 150000008065 acid anhydrides Chemical class 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- ZGUNAGUHMKGQNY-UHFFFAOYSA-N alpha-phenylglycine Chemical class OC(=O)C(N)C1=CC=CC=C1 ZGUNAGUHMKGQNY-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000007429 general method Methods 0.000 description 2
- 239000012074 organic phase Substances 0.000 description 2
- 125000006239 protecting group Chemical group 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000013557 residual solvent Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- BWLUMTFWVZZZND-UHFFFAOYSA-N Dibenzylamine Chemical compound C=1C=CC=CC=1CNCC1=CC=CC=C1 BWLUMTFWVZZZND-UHFFFAOYSA-N 0.000 description 1
- 206010020751 Hypersensitivity Diseases 0.000 description 1
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 1
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 1
- HTLZVHNRZJPSMI-UHFFFAOYSA-N N-ethylpiperidine Chemical compound CCN1CCCCC1 HTLZVHNRZJPSMI-UHFFFAOYSA-N 0.000 description 1
- JGSARLDLIJGVTE-MBNYWOFBSA-N Penicillin G Chemical compound N([C@H]1[C@H]2SC([C@@H](N2C1=O)C(O)=O)(C)C)C(=O)CC1=CC=CC=C1 JGSARLDLIJGVTE-MBNYWOFBSA-N 0.000 description 1
- 239000012346 acetyl chloride Substances 0.000 description 1
- BQCLJECBJVWSES-UHFFFAOYSA-N acetyl chloride;hydrochloride Chemical compound Cl.CC(Cl)=O BQCLJECBJVWSES-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- JUHORIMYRDESRB-UHFFFAOYSA-N benzathine Chemical compound C=1C=CC=CC=1CNCCNCC1=CC=CC=C1 JUHORIMYRDESRB-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000007857 degradation product Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- AAOVKJBEBIDNHE-UHFFFAOYSA-N diazepam Chemical compound N=1CC(=O)N(C)C2=CC=C(Cl)C=C2C=1C1=CC=CC=C1 AAOVKJBEBIDNHE-UHFFFAOYSA-N 0.000 description 1
- FBELJLCOAHMRJK-UHFFFAOYSA-L disodium;2,2-bis(2-ethylhexyl)-3-sulfobutanedioate Chemical compound [Na+].[Na+].CCCCC(CC)CC(C([O-])=O)(C(C([O-])=O)S(O)(=O)=O)CC(CC)CCCC FBELJLCOAHMRJK-UHFFFAOYSA-L 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 150000004682 monohydrates Chemical class 0.000 description 1
- KVBGVZZKJNLNJU-UHFFFAOYSA-N naphthalene-2-sulfonic acid Chemical compound C1=CC=CC2=CC(S(=O)(=O)O)=CC=C21 KVBGVZZKJNLNJU-UHFFFAOYSA-N 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229940049954 penicillin Drugs 0.000 description 1
- 150000002960 penicillins Chemical class 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- MFDFERRIHVXMIY-UHFFFAOYSA-N procaine Chemical compound CCN(CC)CCOC(=O)C1=CC=C(N)C=C1 MFDFERRIHVXMIY-UHFFFAOYSA-N 0.000 description 1
- 229960004919 procaine Drugs 0.000 description 1
- 102000004196 processed proteins & peptides Human genes 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 150000004684 trihydrates Chemical class 0.000 description 1
- -1 α-aminophenylacetyl Chemical group 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D499/00—Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
- C07D499/21—Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring with a nitrogen atom directly attached in position 6 and a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2
- C07D499/44—Compounds with an amino radical acylated by carboxylic acids, attached in position 6
- C07D499/48—Compounds with an amino radical acylated by carboxylic acids, attached in position 6 with a carbon chain, substituted by hetero atoms or by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, attached to the carboxamido radical
- C07D499/58—Compounds with an amino radical acylated by carboxylic acids, attached in position 6 with a carbon chain, substituted by hetero atoms or by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, attached to the carboxamido radical substituted in alpha-position to the carboxamido radical
- C07D499/64—Compounds with an amino radical acylated by carboxylic acids, attached in position 6 with a carbon chain, substituted by hetero atoms or by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, attached to the carboxamido radical substituted in alpha-position to the carboxamido radical by nitrogen atoms
- C07D499/68—Compounds with an amino radical acylated by carboxylic acids, attached in position 6 with a carbon chain, substituted by hetero atoms or by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, attached to the carboxamido radical substituted in alpha-position to the carboxamido radical by nitrogen atoms with aromatic rings as additional substituents on the carbon chain
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PT5696671 | 1971-12-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2240442A1 true DE2240442A1 (de) | 1973-07-26 |
Family
ID=20081760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2240442A Pending DE2240442A1 (de) | 1971-12-17 | 1972-08-17 | Verfahren zur herstellung von aminopenicillinen |
Country Status (13)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2527235A1 (de) * | 1974-06-19 | 1976-01-08 | Bristol Myers Co | Verfahren zur herstellung von phenylglycinderivaten |
| DE2732528A1 (de) * | 1976-07-20 | 1978-01-26 | Bristol Myers Co | Verfahren zur herstellung von amoxicillintrihydrat |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2364217A1 (fr) * | 1976-09-08 | 1978-04-07 | Biocraft Laboratories Inc | Procede pour la preparation de derives de l'acide 6-aminopenicillanique |
| NL162387C (nl) * | 1977-09-06 | 1980-05-16 | Gist Brocades Nv | Werkwijze voor het bereiden van 6-(d-alpha-amino-p- -hydroxyfenylacetamido)penicillanzuur. |
| DE2817228A1 (de) * | 1978-04-20 | 1979-10-31 | Bayer Ag | Verfahren zur herstellung halbsynthetischer beta-lactamantibiotika |
-
1972
- 1972-04-19 JP JP4001872A patent/JPS5318515B2/ja not_active Expired
- 1972-07-26 DK DK369772AA patent/DK140669B/da unknown
- 1972-07-26 CA CA147,978A patent/CA1003407A/en not_active Expired
- 1972-07-27 AT AT647772A patent/AT327377B/de not_active IP Right Cessation
- 1972-07-28 ZA ZA725231A patent/ZA725231B/xx unknown
- 1972-08-15 FI FI2246/72A patent/FI60209C/fi active
- 1972-08-17 DE DE2240442A patent/DE2240442A1/de active Pending
- 1972-08-23 SE SE7210908A patent/SE414768B/xx unknown
- 1972-10-03 CH CH1440172A patent/CH561725A5/xx not_active IP Right Cessation
- 1972-10-24 BE BE790466A patent/BE790466A/xx unknown
- 1972-11-09 GB GB5182872A patent/GB1400236A/en not_active Expired
- 1972-11-13 NL NL7215359A patent/NL7215359A/xx not_active Application Discontinuation
- 1972-11-20 FR FR7241103A patent/FR2165409A5/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2527235A1 (de) * | 1974-06-19 | 1976-01-08 | Bristol Myers Co | Verfahren zur herstellung von phenylglycinderivaten |
| DE2732528A1 (de) * | 1976-07-20 | 1978-01-26 | Bristol Myers Co | Verfahren zur herstellung von amoxicillintrihydrat |
Also Published As
| Publication number | Publication date |
|---|---|
| SE414768B (sv) | 1980-08-18 |
| CH561725A5 (enrdf_load_stackoverflow) | 1975-05-15 |
| JPS5318515B2 (enrdf_load_stackoverflow) | 1978-06-15 |
| ATA647772A (de) | 1975-04-15 |
| JPS4867297A (enrdf_load_stackoverflow) | 1973-09-13 |
| CA1003407A (en) | 1977-01-11 |
| DK140669B (da) | 1979-10-22 |
| FR2165409A5 (enrdf_load_stackoverflow) | 1973-08-03 |
| AU4697172A (en) | 1974-03-28 |
| NL7215359A (enrdf_load_stackoverflow) | 1973-06-19 |
| ZA725231B (en) | 1973-05-30 |
| AT327377B (de) | 1976-01-26 |
| FI60209B (fi) | 1981-08-31 |
| BE790466A (fr) | 1973-02-15 |
| FI60209C (fi) | 1981-12-10 |
| DK140669C (enrdf_load_stackoverflow) | 1980-03-24 |
| GB1400236A (en) | 1975-07-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3427859C2 (de) | Verfahren zur Herstellung von Natrium-Cefuroxim | |
| DE1963645C3 (de) | Verfahren zur Herstellung von Penicillinen | |
| DE69319296T2 (de) | Verfahren zur Reinigung von roher Clavulansäure | |
| DE2309582B2 (de) | Verfahren zur Gewinnung von reinem 7-Dimethylamino-6-desmethyl-6-desoxytetracyclinhydrochlorid aus seinen wäßrigen Rohlösungen und dabei gebildete Komplexverbindung mit Calciumchlorid | |
| DE1445506C3 (de) | Verfahren zur Gewinnung von reinem a-Aminobenzylpenicillin | |
| DE2425983B2 (de) | Sulfonsaeuresalze von acylcholinen, verfahren zu ihrer herstellung und diese enthaltende pharmazeutische zusammensetzung | |
| EP0312726A1 (de) | Optisch aktive Salze aus einem substituierten Thiazolidin-4-carboxylat und 3-Chlor-2-hydroxypropyltrimethylammonium, deren Herstellung und Verwendung | |
| DE2240442A1 (de) | Verfahren zur herstellung von aminopenicillinen | |
| DE2225149C2 (de) | Oxofurylesterderivate der 6-(ą-Aminophenylacetamido)penicillansäure, Verfahren zu deren Herstellung und ihre Verwendung | |
| DE2053886C3 (de) | Verfahren zur Herstellung von kristallinem Mononatrium- oder Monokaliumalpha- carboxybenzyl penicillin | |
| DE1289053B (de) | ª‡-Hydroxy-2-thienylmethyl-penicilline und Verfahren zur ihrer Herstellung | |
| EP0001797B1 (de) | Verfahren zur Gewinnung von Cephalosporin C, seinen Salzen und Derivaten aus Kulturfiltraten oder -lösungen | |
| DE1294383B (de) | Penicilline und deren Salze sowie Verfahren zu ihrer Herstellung | |
| DD213219A5 (de) | Verfahren zur herstellung von kristallinem natrium-cefoperazon | |
| DE3012667A1 (de) | Verfahren zur herstellung von derivaten von 6- beta -amidinopenicillansaeure | |
| DE1967320C2 (de) | Verfahren zur Herstellung von wasserfreien 6-(1-Aminocycloalkylcarboxamido)-penicillansäuren | |
| DE850297C (de) | Verfahren zur Herstellung von Amidinsalzen | |
| DE932675C (de) | Verfahren zur Herstellung von Estern des Penicillins mit eine sekundaere Aminogruppe aufweisenden Alkoholen und von Salzen dieser Ester | |
| DE896984C (de) | Verfahren zur Herstellung von reinen Alkalisalzen, insbesondere Natriumsalzen, von Penicillin | |
| DE1903388C3 (de) | Verfahren zur Herstellung des Natriumsalzes von Ampicillin | |
| DE863248C (de) | Verfahren zur Reinigung von Penicillin und seinen Salzen | |
| AT365598B (de) | Verfahren zur herstellung eines neuen formamidkomplexes von 7-beta-(d-2-phenylacetamido) -3-methylceph-3-emcarbonsaeure | |
| DE19813886C2 (de) | Verfahren zur Herstellung von 2,4-Dichlor-5-hydroxyacetanilid | |
| DE3518207A1 (de) | Verfahren zur herstellung von 6-(d(-)-(alpha)-4-aethyl-2,3-dioxo-1-piperazinylcarbonylamino)-phenylacetamido)-penicillansaeure-natriumsalz | |
| DE2601328A1 (de) | D-alpha-isobutylsulfobenzylpenicillin- hemisolvatkristalle und verfahren zu ihrer herstellung |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHA | Expiration of time for request for examination |