DE2334343C2 - Verfahren zur Herstellung von Pivaloyloxymethyl-6-[ α-(carboxy)phenylacetamido]-penicillanat - Google Patents
Verfahren zur Herstellung von Pivaloyloxymethyl-6-[ α-(carboxy)phenylacetamido]-penicillanatInfo
- Publication number
- DE2334343C2 DE2334343C2 DE2334343A DE2334343A DE2334343C2 DE 2334343 C2 DE2334343 C2 DE 2334343C2 DE 2334343 A DE2334343 A DE 2334343A DE 2334343 A DE2334343 A DE 2334343A DE 2334343 C2 DE2334343 C2 DE 2334343C2
- Authority
- DE
- Germany
- Prior art keywords
- acid
- ester
- reaction
- carboxy
- preparation
- 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 12
- 238000002360 preparation method Methods 0.000 title claims description 8
- -1 pivaloyloxymethyl Chemical group 0.000 title description 22
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 title description 9
- 238000005917 acylation reaction Methods 0.000 claims description 14
- 230000010933 acylation Effects 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 3
- 125000000896 monocarboxylic acid group Chemical group 0.000 claims 1
- 239000002253 acid Substances 0.000 description 20
- NGHVIOIJCVXTGV-UHFFFAOYSA-N 6beta-amino-penicillanic acid Natural products OC(=O)C1C(C)(C)SC2C(N)C(=O)N21 NGHVIOIJCVXTGV-UHFFFAOYSA-N 0.000 description 12
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 12
- 239000002904 solvent Substances 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 11
- 239000000047 product Substances 0.000 description 11
- 239000000203 mixture Substances 0.000 description 9
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 8
- 150000002148 esters Chemical class 0.000 description 8
- 239000012442 inert solvent Substances 0.000 description 8
- 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 description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
- YMWUJEATGCHHMB-UHFFFAOYSA-N dichloromethane Natural products ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- OISVCGZHLKNMSJ-UHFFFAOYSA-N 2,6-dimethylpyridine Chemical compound CC1=CC=CC(C)=N1 OISVCGZHLKNMSJ-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- 229930182555 Penicillin Natural products 0.000 description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-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
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- IJOOHPMOJXWVHK-UHFFFAOYSA-N chlorotrimethylsilane Chemical compound C[Si](C)(C)Cl IJOOHPMOJXWVHK-UHFFFAOYSA-N 0.000 description 4
- RBKMMJSQKNKNEV-RITPCOANSA-N penicillanic acid Chemical group OC(=O)[C@H]1C(C)(C)S[C@@H]2CC(=O)N21 RBKMMJSQKNKNEV-RITPCOANSA-N 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical compound COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 description 3
- 239000008346 aqueous phase Substances 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 150000002960 penicillins Chemical class 0.000 description 3
- WWYDYZMNFQIYPT-UHFFFAOYSA-N ru78191 Chemical compound OC(=O)C(C(O)=O)C1=CC=CC=C1 WWYDYZMNFQIYPT-UHFFFAOYSA-N 0.000 description 3
- 238000006884 silylation reaction Methods 0.000 description 3
- 150000003512 tertiary amines Chemical class 0.000 description 3
- 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
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 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 2
- 150000008065 acid anhydrides Chemical class 0.000 description 2
- 125000005041 acyloxyalkyl group Chemical group 0.000 description 2
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 2
- 150000008041 alkali metal carbonates Chemical class 0.000 description 2
- 239000012320 chlorinating reagent Substances 0.000 description 2
- HPYNZHMRTTWQTB-UHFFFAOYSA-N dimethylpyridine Natural products CC1=CC=CN=C1C HPYNZHMRTTWQTB-UHFFFAOYSA-N 0.000 description 2
- 125000004185 ester group Chemical group 0.000 description 2
- 150000004820 halides Chemical class 0.000 description 2
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 2
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 2
- 235000019341 magnesium sulphate Nutrition 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Substances CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 description 2
- GQKZBCPTCWJTAS-UHFFFAOYSA-N methoxymethylbenzene Chemical compound COCC1=CC=CC=C1 GQKZBCPTCWJTAS-UHFFFAOYSA-N 0.000 description 2
- 125000001181 organosilyl group Chemical group [SiH3]* 0.000 description 2
- CTSLXHKWHWQRSH-UHFFFAOYSA-N oxalyl chloride Chemical compound ClC(=O)C(Cl)=O CTSLXHKWHWQRSH-UHFFFAOYSA-N 0.000 description 2
- 229940049954 penicillin Drugs 0.000 description 2
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 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
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 description 1
- PZHIWRCQKBBTOW-UHFFFAOYSA-N 1-ethoxybutane Chemical compound CCCCOCC PZHIWRCQKBBTOW-UHFFFAOYSA-N 0.000 description 1
- CXBDYQVECUFKRK-UHFFFAOYSA-N 1-methoxybutane Chemical compound CCCCOC CXBDYQVECUFKRK-UHFFFAOYSA-N 0.000 description 1
- NDVMCQUOSYOQMZ-UHFFFAOYSA-N 2,2-bis(trimethylsilyl)acetamide Chemical compound C[Si](C)(C)C(C(N)=O)[Si](C)(C)C NDVMCQUOSYOQMZ-UHFFFAOYSA-N 0.000 description 1
- DLTWEQZAWUHBDH-UHFFFAOYSA-N 2-phenylpropanedioyl dichloride Chemical compound ClC(=O)C(C(Cl)=O)C1=CC=CC=C1 DLTWEQZAWUHBDH-UHFFFAOYSA-N 0.000 description 1
- AHYMVHCBZKZJMF-UHFFFAOYSA-N 3-oxo-2-phenyl-3-trimethylsilyloxypropanoic acid Chemical compound C[Si](C)(C)OC(=O)C(C(O)=O)C1=CC=CC=C1 AHYMVHCBZKZJMF-UHFFFAOYSA-N 0.000 description 1
- WNPVZANXRCPJPW-UHFFFAOYSA-N 5-[isocyano-(4-methylphenyl)sulfonylmethyl]-1,2,3-trimethoxybenzene Chemical compound COC1=C(OC)C(OC)=CC(C([N+]#[C-])S(=O)(=O)C=2C=CC(C)=CC=2)=C1 WNPVZANXRCPJPW-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 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 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- JLTDJTHDQAWBAV-UHFFFAOYSA-N N,N-dimethylaniline Chemical compound CN(C)C1=CC=CC=C1 JLTDJTHDQAWBAV-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical class [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical class [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 1
- XAKBSHICSHRJCL-UHFFFAOYSA-N [CH2]C(=O)C1=CC=CC=C1 Chemical group [CH2]C(=O)C1=CC=CC=C1 XAKBSHICSHRJCL-UHFFFAOYSA-N 0.000 description 1
- KOOADCGQJDGAGA-UHFFFAOYSA-N [amino(dimethyl)silyl]methane Chemical class C[Si](C)(C)N KOOADCGQJDGAGA-UHFFFAOYSA-N 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 125000005907 alkyl ester group Chemical group 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 150000008378 aryl ethers Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 125000001797 benzyl group Chemical class [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 125000005998 bromoethyl group Chemical group 0.000 description 1
- NHYXMAKLBXBVEO-UHFFFAOYSA-N bromomethyl acetate Chemical compound CC(=O)OCBr NHYXMAKLBXBVEO-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229960003669 carbenicillin Drugs 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000006114 decarboxylation reaction Methods 0.000 description 1
- POLCUAVZOMRGSN-UHFFFAOYSA-N dipropyl ether Chemical compound CCCOCCC POLCUAVZOMRGSN-UHFFFAOYSA-N 0.000 description 1
- 239000012259 ether extract Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- LWFWUJCJKPUZLV-UHFFFAOYSA-N n-trimethylsilylacetamide Chemical compound CC(=O)N[Si](C)(C)C LWFWUJCJKPUZLV-UHFFFAOYSA-N 0.000 description 1
- 239000012454 non-polar solvent Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- YCOFRPYSZKIPBQ-UHFFFAOYSA-N penicillic acid Natural products COC1=CC(=O)OC1(O)C(C)=C YCOFRPYSZKIPBQ-UHFFFAOYSA-N 0.000 description 1
- VOUGEZYPVGAPBB-UHFFFAOYSA-N penicillin acid Natural products OC(=O)C=C(OC)C(=O)C(C)=C VOUGEZYPVGAPBB-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- UHZYTMXLRWXGPK-UHFFFAOYSA-N phosphorus pentachloride Chemical compound ClP(Cl)(Cl)(Cl)Cl UHZYTMXLRWXGPK-UHFFFAOYSA-N 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- DSNYFFJTZPIKFZ-UHFFFAOYSA-N propoxybenzene Chemical compound CCCOC1=CC=CC=C1 DSNYFFJTZPIKFZ-UHFFFAOYSA-N 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 150000003377 silicon compounds Chemical class 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- VYPDUQYOLCLEGS-UHFFFAOYSA-M sodium;2-ethylhexanoate Chemical compound [Na+].CCCCC(CC)C([O-])=O VYPDUQYOLCLEGS-UHFFFAOYSA-M 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000005051 trimethylchlorosilane Substances 0.000 description 1
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
- C07F7/1896—Compounds having one or more Si-O-acyl linkages
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US271160A US3862933A (en) | 1972-07-12 | 1972-07-12 | Process for making esters of 6-(alpha-(carboxy)aryla-cetamido)penicillanic acids |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2334343A1 DE2334343A1 (de) | 1974-01-31 |
| DE2334343C2 true DE2334343C2 (de) | 1982-07-22 |
Family
ID=23034438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2334343A Expired DE2334343C2 (de) | 1972-07-12 | 1973-07-06 | Verfahren zur Herstellung von Pivaloyloxymethyl-6-[ α-(carboxy)phenylacetamido]-penicillanat |
Country Status (6)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS557620B2 (US06534493-20030318-C00166.png) * | 1973-07-19 | 1980-02-27 | ||
| JPS51118715U (US06534493-20030318-C00166.png) * | 1975-03-19 | 1976-09-27 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1004670A (en) * | 1963-04-23 | 1965-09-15 | Beecham Res Lab | Penicillins |
| US3453263A (en) * | 1965-03-01 | 1969-07-01 | American Home Prod | Method of preparing penicillins |
| US3654266A (en) * | 1968-05-08 | 1972-04-04 | American Home Prod | Intermediates for preparing semisynthetic penicillins and methods of production |
| US3580908A (en) * | 1968-10-17 | 1971-05-25 | Pfizer | Process for the conversion of alpha-carboaryloxybenzylpenicillins to alpha-carboxybenzylpenicillins |
| US3595855A (en) * | 1968-12-05 | 1971-07-27 | American Home Prod | Process for producing aminopenicillins |
| BE759498A (fr) * | 1969-11-26 | 1971-05-26 | Pfizer | Nouveaux esters d'alpha-carboxybenzylpenicilline |
| SU419038A3 (ru) * | 1970-04-16 | 1974-03-05 | Хиноин Гиодьишер Еш Вегешети Дь р | Способ получени производных 6-аминопенициллановой кислоты |
| IL37124A (en) * | 1970-07-03 | 1974-10-22 | Chinoin Gyogyszer Es Vegyeszet | Chlorocarbonyl history of penicillin and their preparation |
-
1972
- 1972-07-12 US US271160A patent/US3862933A/en not_active Expired - Lifetime
-
1973
- 1973-06-25 GB GB3014973A patent/GB1432962A/en not_active Expired
- 1973-07-06 DE DE2334343A patent/DE2334343C2/de not_active Expired
- 1973-07-10 BE BE1005221A patent/BE802121A/xx not_active IP Right Cessation
- 1973-07-12 JP JP7797673A patent/JPS566998B2/ja not_active Expired
- 1973-07-12 FR FR7325615A patent/FR2192110B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2334343A1 (de) | 1974-01-31 |
| GB1432962A (US06534493-20030318-C00166.png) | 1976-04-22 |
| US3862933A (en) | 1975-01-28 |
| JPS566998B2 (US06534493-20030318-C00166.png) | 1981-02-14 |
| FR2192110B1 (US06534493-20030318-C00166.png) | 1977-07-29 |
| FR2192110A1 (US06534493-20030318-C00166.png) | 1974-02-08 |
| JPS4942690A (US06534493-20030318-C00166.png) | 1974-04-22 |
| BE802121A (fr) | 1974-01-10 |
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