DE2055796C2 - Verfahren zur Herstellung von 7-Aminocephalosporansäure-Derivaten - Google Patents
Verfahren zur Herstellung von 7-Aminocephalosporansäure-DerivatenInfo
- Publication number
- DE2055796C2 DE2055796C2 DE19702055796 DE2055796A DE2055796C2 DE 2055796 C2 DE2055796 C2 DE 2055796C2 DE 19702055796 DE19702055796 DE 19702055796 DE 2055796 A DE2055796 A DE 2055796A DE 2055796 C2 DE2055796 C2 DE 2055796C2
- Authority
- DE
- Germany
- Prior art keywords
- added
- mixture
- stirred
- solution
- triethylamine
- 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.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims description 23
- 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 title claims description 4
- 238000002360 preparation method Methods 0.000 title claims description 3
- 125000000217 alkyl group Chemical group 0.000 claims description 5
- 125000003831 tetrazolyl group Chemical group 0.000 claims 1
- 125000001544 thienyl group Chemical group 0.000 claims 1
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 75
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 75
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 60
- 239000000203 mixture Substances 0.000 description 41
- -1 imide chloride Chemical class 0.000 description 29
- 239000000243 solution Substances 0.000 description 27
- 150000001875 compounds Chemical class 0.000 description 24
- IJOOHPMOJXWVHK-UHFFFAOYSA-N chlorotrimethylsilane Chemical compound C[Si](C)(C)Cl IJOOHPMOJXWVHK-UHFFFAOYSA-N 0.000 description 22
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 21
- JLTDJTHDQAWBAV-UHFFFAOYSA-N N,N-dimethylaniline Chemical compound CN(C)C1=CC=CC=C1 JLTDJTHDQAWBAV-UHFFFAOYSA-N 0.000 description 21
- 238000001816 cooling Methods 0.000 description 19
- 238000006243 chemical reaction Methods 0.000 description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 16
- 239000002904 solvent Substances 0.000 description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 13
- 239000011541 reaction mixture Substances 0.000 description 12
- 239000007864 aqueous solution Substances 0.000 description 10
- UHZYTMXLRWXGPK-UHFFFAOYSA-N phosphorus pentachloride Chemical compound ClP(Cl)(Cl)(Cl)Cl UHZYTMXLRWXGPK-UHFFFAOYSA-N 0.000 description 10
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 8
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 8
- GRWAIJBHBCCLGS-UHFFFAOYSA-N 2-(tetrazol-1-yl)acetic acid Chemical compound OC(=O)CN1C=NN=N1 GRWAIJBHBCCLGS-UHFFFAOYSA-N 0.000 description 7
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 7
- JUJWROOIHBZHMG-UHFFFAOYSA-N pyridine Substances C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 7
- 239000011734 sodium Substances 0.000 description 7
- 229910052708 sodium Inorganic materials 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 238000010992 reflux Methods 0.000 description 5
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 4
- 238000006460 hydrolysis reaction Methods 0.000 description 4
- ODUCDPQEXGNKDN-UHFFFAOYSA-N nitroxyl Chemical compound O=N ODUCDPQEXGNKDN-UHFFFAOYSA-N 0.000 description 4
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 4
- 239000012047 saturated solution Substances 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 4
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 4
- JVSFQJZRHXAUGT-UHFFFAOYSA-N 2,2-dimethylpropanoyl chloride Chemical compound CC(C)(C)C(Cl)=O JVSFQJZRHXAUGT-UHFFFAOYSA-N 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 3
- 150000008065 acid anhydrides Chemical class 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- 235000011089 carbon dioxide Nutrition 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 239000000543 intermediate Substances 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 150000007530 organic bases Chemical class 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 235000017557 sodium bicarbonate Nutrition 0.000 description 3
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 3
- 229920001567 vinyl ester resin Polymers 0.000 description 3
- OGFAWKRXZLGJSK-UHFFFAOYSA-N 1-(2,4-dihydroxyphenyl)-2-(4-nitrophenyl)ethanone Chemical compound OC1=CC(O)=CC=C1C(=O)CC1=CC=C([N+]([O-])=O)C=C1 OGFAWKRXZLGJSK-UHFFFAOYSA-N 0.000 description 2
- PVOAHINGSUIXLS-UHFFFAOYSA-N 1-Methylpiperazine Chemical compound CN1CCNCC1 PVOAHINGSUIXLS-UHFFFAOYSA-N 0.000 description 2
- AJYXPNIENRLELY-UHFFFAOYSA-N 2-thiophen-2-ylacetyl chloride Chemical compound ClC(=O)CC1=CC=CS1 AJYXPNIENRLELY-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 2
- DRSHXJFUUPIBHX-UHFFFAOYSA-N COc1ccc(cc1)N1N=CC2C=NC(Nc3cc(OC)c(OC)c(OCCCN4CCN(C)CC4)c3)=NC12 Chemical compound COc1ccc(cc1)N1N=CC2C=NC(Nc3cc(OC)c(OC)c(OCCCN4CCN(C)CC4)c3)=NC12 DRSHXJFUUPIBHX-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 150000004703 alkoxides Chemical class 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000002140 halogenating effect Effects 0.000 description 2
- 150000004678 hydrides Chemical class 0.000 description 2
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 2
- 235000019341 magnesium sulphate Nutrition 0.000 description 2
- 235000015497 potassium bicarbonate Nutrition 0.000 description 2
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 2
- 239000011736 potassium bicarbonate Substances 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 150000003512 tertiary amines Chemical class 0.000 description 2
- HJSGHKMSDOLGJJ-IOJJLOCKSA-N (6r)-7-amino-3-[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Chemical compound S1C(C)=NN=C1SCC1=C(C(O)=O)N2C(=O)C(N)[C@H]2SC1 HJSGHKMSDOLGJJ-IOJJLOCKSA-N 0.000 description 1
- HIXDQWDOVZUNNA-UHFFFAOYSA-N 2-(3,4-dimethoxyphenyl)-5-hydroxy-7-methoxychromen-4-one Chemical compound C=1C(OC)=CC(O)=C(C(C=2)=O)C=1OC=2C1=CC=C(OC)C(OC)=C1 HIXDQWDOVZUNNA-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 229930186147 Cephalosporin Natural products 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 125000005910 alkyl carbonate group Chemical group 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Chemical group BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Chemical group 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 125000006297 carbonyl amino group Chemical group [H]N([*:2])C([*:1])=O 0.000 description 1
- MLYYVTUWGNIJIB-BXKDBHETSA-N cefazolin Chemical compound S1C(C)=NN=C1SCC1=C(C(O)=O)N2C(=O)[C@@H](NC(=O)CN3N=NN=C3)[C@H]2SC1 MLYYVTUWGNIJIB-BXKDBHETSA-N 0.000 description 1
- 229960001139 cefazolin Drugs 0.000 description 1
- 229940124587 cephalosporin Drugs 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- QQVDYSUDFZZPSU-UHFFFAOYSA-M chloromethylidene(dimethyl)azanium;chloride Chemical compound [Cl-].C[N+](C)=CCl QQVDYSUDFZZPSU-UHFFFAOYSA-M 0.000 description 1
- XXBDWLFCJWSEKW-UHFFFAOYSA-N dimethylbenzylamine Chemical compound CN(C)CC1=CC=CC=C1 XXBDWLFCJWSEKW-UHFFFAOYSA-N 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 230000026030 halogenation Effects 0.000 description 1
- 238000005658 halogenation reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000001183 hydrocarbyl group Chemical group 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- 125000004184 methoxymethyl group Chemical group [H]C([H])([H])OC([H])([H])* 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 125000004170 methylsulfonyl group Chemical group [H]C([H])([H])S(*)(=O)=O 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 239000008363 phosphate buffer Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 235000011181 potassium carbonates Nutrition 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 description 1
- 150000003536 tetrazoles Chemical group 0.000 description 1
- VLLMWSRANPNYQX-UHFFFAOYSA-N thiadiazole Chemical compound C1=CSN=N1.C1=CSN=N1 VLLMWSRANPNYQX-UHFFFAOYSA-N 0.000 description 1
- 125000005270 trialkylamine group Chemical group 0.000 description 1
- 238000002211 ultraviolet spectrum Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cephalosporin Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9242169 | 1969-11-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2055796A1 DE2055796A1 (de) | 1971-05-27 |
| DE2055796C2 true DE2055796C2 (de) | 1982-04-01 |
Family
ID=14053939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19702055796 Expired DE2055796C2 (de) | 1969-11-17 | 1970-11-13 | Verfahren zur Herstellung von 7-Aminocephalosporansäure-Derivaten |
Country Status (10)
| Country | Link |
|---|---|
| AT (1) | AT309676B (enrdf_load_stackoverflow) |
| BE (1) | BE758587A (enrdf_load_stackoverflow) |
| CH (1) | CH569026A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2055796C2 (enrdf_load_stackoverflow) |
| DK (1) | DK147597C (enrdf_load_stackoverflow) |
| ES (1) | ES385581A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2069363A5 (enrdf_load_stackoverflow) |
| GB (1) | GB1336155A (enrdf_load_stackoverflow) |
| NL (1) | NL171708C (enrdf_load_stackoverflow) |
| SE (1) | SE374923B (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK154889B (da) * | 1971-12-23 | 1989-01-02 | Fujisawa Pharmaceutical Co | Fremgangsmaade til fremstilling af cefazolin |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE793037A (fr) * | 1971-12-23 | 1973-06-20 | Fujisawa Pharmaceutical Co | Procede de preparation de derives d'acide 7-acylamino-3-substitue-3-cephem-4-carboxylique et nouveaux produits ainsi obtenus |
| GB1492435A (en) * | 1974-08-30 | 1977-11-16 | Squibb & Sons Inc | Cephalosporins |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL150798B (nl) * | 1967-08-07 | 1976-09-15 | Koninklijke Gist Spiritus | Werkwijze voor de bereiding van 7-aminocefalosoranzuur en derivaten daarvan. |
| CH527215A (de) * | 1967-04-15 | 1972-08-31 | Fujisawa Pharmaceutical Co | Verfahren zur Herstellung von 3,7-disubstituierten Cephalosporinderivaten |
-
0
- BE BE758587D patent/BE758587A/xx not_active IP Right Cessation
-
1970
- 1970-11-11 GB GB5375370A patent/GB1336155A/en not_active Expired
- 1970-11-13 DE DE19702055796 patent/DE2055796C2/de not_active Expired
- 1970-11-13 FR FR7040707A patent/FR2069363A5/fr not_active Expired
- 1970-11-16 ES ES385581A patent/ES385581A1/es not_active Expired
- 1970-11-16 AT AT1028670A patent/AT309676B/de active
- 1970-11-16 SE SE1544970A patent/SE374923B/xx unknown
- 1970-11-17 NL NL7016844A patent/NL171708C/xx not_active IP Right Cessation
- 1970-11-17 DK DK583670A patent/DK147597C/da not_active IP Right Cessation
- 1970-11-17 CH CH1708070A patent/CH569026A5/xx not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK154889B (da) * | 1971-12-23 | 1989-01-02 | Fujisawa Pharmaceutical Co | Fremgangsmaade til fremstilling af cefazolin |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1336155A (en) | 1973-11-07 |
| AT309676B (de) | 1973-08-27 |
| CH569026A5 (enrdf_load_stackoverflow) | 1975-11-14 |
| DK147597C (da) | 1985-04-22 |
| SE374923B (enrdf_load_stackoverflow) | 1975-03-24 |
| FR2069363A5 (enrdf_load_stackoverflow) | 1971-09-03 |
| NL7016844A (enrdf_load_stackoverflow) | 1971-05-19 |
| ES385581A1 (es) | 1973-08-16 |
| DK147597B (da) | 1984-10-15 |
| BE758587A (fr) | 1971-05-06 |
| DE2055796A1 (de) | 1971-05-27 |
| NL171708B (nl) | 1982-12-01 |
| NL171708C (nl) | 1983-05-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8125 | Change of the main classification | ||
| 8126 | Change of the secondary classification | ||
| D2 | Grant after examination |