JPH0161117B2 - - Google Patents
Info
- Publication number
- JPH0161117B2 JPH0161117B2 JP56034674A JP3467481A JPH0161117B2 JP H0161117 B2 JPH0161117 B2 JP H0161117B2 JP 56034674 A JP56034674 A JP 56034674A JP 3467481 A JP3467481 A JP 3467481A JP H0161117 B2 JPH0161117 B2 JP H0161117B2
- Authority
- JP
- Japan
- Prior art keywords
- cefapirin
- ester
- acid
- group
- salt
- 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
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 46
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 42
- 229960004350 cefapirin Drugs 0.000 claims description 39
- UQLLWWBDSUHNEB-CZUORRHYSA-N Cefaprin Chemical class N([C@H]1[C@@H]2N(C1=O)C(=C(CS2)COC(=O)C)C(O)=O)C(=O)CSC1=CC=NC=C1 UQLLWWBDSUHNEB-CZUORRHYSA-N 0.000 claims description 34
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 34
- -1 cefapirin ester Chemical group 0.000 claims description 24
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 22
- HSHGZXNAXBPPDL-HZGVNTEJSA-N 7beta-aminocephalosporanic acid Chemical compound S1CC(COC(=O)C)=C(C([O-])=O)N2C(=O)[C@@H]([NH3+])[C@@H]12 HSHGZXNAXBPPDL-HZGVNTEJSA-N 0.000 claims description 11
- 150000003839 salts Chemical class 0.000 claims description 11
- 150000002148 esters Chemical class 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 239000003208 petroleum Substances 0.000 claims description 9
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims description 9
- 230000002378 acidificating effect Effects 0.000 claims description 8
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 claims description 6
- GGRHYQCXXYLUTL-UHFFFAOYSA-N chloromethyl 2,2-dimethylpropanoate Chemical compound CC(C)(C)C(=O)OCCl GGRHYQCXXYLUTL-UHFFFAOYSA-N 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- PGUPJAPHYIEKLT-UHFFFAOYSA-N 2-pyridin-4-ylsulfanylacetic acid Chemical compound OC(=O)CSC1=CC=NC=C1 PGUPJAPHYIEKLT-UHFFFAOYSA-N 0.000 claims description 5
- NMKSBNZBSLHAKW-UHFFFAOYSA-N Cl.ClO Chemical compound Cl.ClO NMKSBNZBSLHAKW-UHFFFAOYSA-N 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 5
- 159000000000 sodium salts Chemical group 0.000 claims description 5
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- KVBGVZZKJNLNJU-UHFFFAOYSA-N naphthalene-2-sulfonic acid Chemical compound C1=CC=CC2=CC(S(=O)(=O)O)=CC=C21 KVBGVZZKJNLNJU-UHFFFAOYSA-N 0.000 claims description 3
- 150000003973 alkyl amines Chemical class 0.000 claims description 2
- KVBGVZZKJNLNJU-UHFFFAOYSA-M naphthalene-2-sulfonate Chemical compound C1=CC=CC2=CC(S(=O)(=O)[O-])=CC=C21 KVBGVZZKJNLNJU-UHFFFAOYSA-M 0.000 claims description 2
- 239000003495 polar organic solvent Substances 0.000 claims description 2
- 230000008020 evaporation Effects 0.000 claims 1
- 238000001704 evaporation Methods 0.000 claims 1
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 65
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 30
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 21
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 15
- 239000000203 mixture Substances 0.000 description 15
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 13
- WNZQDUSMALZDQF-UHFFFAOYSA-N isobenzofuranone Natural products C1=CC=C2C(=O)OCC2=C1 WNZQDUSMALZDQF-UHFFFAOYSA-N 0.000 description 12
- 239000000243 solution Substances 0.000 description 12
- 238000004809 thin layer chromatography Methods 0.000 description 12
- 239000012071 phase Substances 0.000 description 10
- 239000008346 aqueous phase Substances 0.000 description 9
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- 235000019253 formic acid Nutrition 0.000 description 8
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 239000000460 chlorine Substances 0.000 description 6
- 239000005457 ice water Substances 0.000 description 6
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 230000002906 microbiologic effect Effects 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 5
- CLMSHAWYULIVFQ-UHFFFAOYSA-N 3-bromo-3h-2-benzofuran-1-one Chemical compound C1=CC=C2C(Br)OC(=O)C2=C1 CLMSHAWYULIVFQ-UHFFFAOYSA-N 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-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
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 4
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 4
- VGEOUKPOQQEQSX-OALZAMAHSA-M cephapirin sodium Chemical compound [Na+].N([C@H]1[C@@H]2N(C1=O)C(=C(CS2)COC(=O)C)C([O-])=O)C(=O)CSC1=CC=NC=C1 VGEOUKPOQQEQSX-OALZAMAHSA-M 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 239000000284 extract Substances 0.000 description 4
- IUGYQRQAERSCNH-UHFFFAOYSA-N pivalic acid Chemical compound CC(C)(C)C(O)=O IUGYQRQAERSCNH-UHFFFAOYSA-N 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000000370 acceptor Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 2
- 235000019341 magnesium sulphate Nutrition 0.000 description 2
- 239000012074 organic phase Substances 0.000 description 2
- KJIFKLIQANRMOU-UHFFFAOYSA-N oxidanium;4-methylbenzenesulfonate Chemical compound O.CC1=CC=C(S(O)(=O)=O)C=C1 KJIFKLIQANRMOU-UHFFFAOYSA-N 0.000 description 2
- 229950010765 pivalate Drugs 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- 235000011152 sodium sulphate Nutrition 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- LBLYYCQCTBFVLH-UHFFFAOYSA-N 2-Methylbenzenesulfonic acid Chemical compound CC1=CC=CC=C1S(O)(=O)=O LBLYYCQCTBFVLH-UHFFFAOYSA-N 0.000 description 1
- CFWRDBDJAOHXSH-SECBINFHSA-N 2-azaniumylethyl [(2r)-2,3-diacetyloxypropyl] phosphate Chemical compound CC(=O)OC[C@@H](OC(C)=O)COP(O)(=O)OCCN CFWRDBDJAOHXSH-SECBINFHSA-N 0.000 description 1
- LBLYYCQCTBFVLH-UHFFFAOYSA-M 2-methylbenzenesulfonate Chemical compound CC1=CC=CC=C1S([O-])(=O)=O LBLYYCQCTBFVLH-UHFFFAOYSA-M 0.000 description 1
- 208000035143 Bacterial infection Diseases 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 241000699670 Mus sp. Species 0.000 description 1
- 206010031252 Osteomyelitis Diseases 0.000 description 1
- 206010037596 Pyelonephritis Diseases 0.000 description 1
- 241000700159 Rattus Species 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- 241000193998 Streptococcus pneumoniae Species 0.000 description 1
- 241000193996 Streptococcus pyogenes Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 208000022362 bacterial infectious disease Diseases 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 201000003146 cystitis Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 210000000936 intestine Anatomy 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- PSZYNBSKGUBXEH-UHFFFAOYSA-M naphthalene-1-sulfonate Chemical compound C1=CC=C2C(S(=O)(=O)[O-])=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-M 0.000 description 1
- 210000002966 serum Anatomy 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- HIEHAIZHJZLEPQ-UHFFFAOYSA-M sodium;naphthalene-1-sulfonate Chemical compound [Na+].C1=CC=C2C(S(=O)(=O)[O-])=CC=CC2=C1 HIEHAIZHJZLEPQ-UHFFFAOYSA-M 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 229940031000 streptococcus pneumoniae Drugs 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H27/00—Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings
-
- 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
- C07D501/34—Methylene radicals, substituted by oxygen atoms; Lactones thereof with the 2-carboxyl group with the 7-amino radical acylated by carboxylic acids containing hetero rings
-
- 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
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)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Cephalosporin Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Description
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Claims (1)
- ãç¹èš±è«æ±ã®ç¯å²ã ïŒ åŒïŒïŒ åŒäžã㯠ãããªã矀ããéžæããã ãæããã»ãã¢ããªã³ãšã¹ãã«åã¯è¬åŠçã«èš±å®¹
ãããå¡©ã ïŒ äžèšå¡©ãã¯ãã«ãã€ãã¬ãŒããïœâãã«ãšã³
ã¹ã«ãããŒãåã³Î²âããã¿ãªã³âã¹ã«ãããŒã
ãããªã矀ããéžæãããç¹èš±è«æ±ã®ç¯å²ç¬¬ïŒé
ã«èšèŒã®ååç©ã ïŒ ïŒâã¢ããã»ãã¢ãã¹ãã©ã³é žïŒïŒâACAïŒ
ãããžã¡ãã«ãã«ã ã¢ããããžã¡ãã«ã¹ã«ããã·
ãããžã¡ãã«ã¢ã»ãã¢ããããã«ã ã¢ãããããª
ã矀ããéžæããã溶åªäžãã¢ã«ãã«ã¢ãã³ã®å
åšäžã§ãããã ãã¿ãªãåã¯ã¯ãã«ã¡ãã«ããã¬
ãŒããšïŒã70âã®ç¯å²ã®æž©åºŠã§åå¿ãããŠïŒâ
ACAã®ãšã¹ãã«ã補é ãïŒãããå¡©çŽ åããã
éãããã³æ§æ¥µæ§ææ©æº¶åªäžåã³å¡©é žã«å¯Ÿããå
容äœã®ååšäžã«ïŒâããªãžã«âããªé ¢é žã®ã¯ãã©
ã€ãã¯ãã«ãã€ãã¬ãŒããšåå¿ããïŒæ¬¡ãã§é žæ§
æ°Žã§PH1.0ã4.0ãŸã§æŽæµãåã³è¬åŠçã«èš±å®¹ãã
ãé žãæ·»å ããåŸããšãã«ãšãŒãã«åã³ç³æ²¹ãšãŒ
ãã«ãããªã矀ããéžæããã溶åªã§åŠçããã
ãšã«ãã€ãŠåŒïŒïŒ åŒäžã㯠ãããªã矀ããéžæããã ãæããã»ãã¢ããªã³ãšã¹ãã«ãå¡©ãšããŠåé¢ã
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補é æ³ã ïŒ è©²è¬åŠçã«èš±å®¹ãããé žãå¡©é žãïœâãã«ãš
ã³ã¹ã«ãã³é žåã³Î²âããã¿ã¬ã³ã¹ã«ãã³é žãã
ãªã矀ããéžæãããç¹èš±è«æ±ã®ç¯å²ç¬¬ïŒé èšèŒ
ã®æ¹æ³ã ïŒ åŒïŒïŒ åŒäžã㯠ãããªã矀ããéžæããã ã®ã»ãã¢ããªã³ãšã¹ãã«ã補é ããéã«ãã»ãã¢
ããªã³å¡©ãããžã¡ãã«ãã«ã ã¢ããããžã¡ãã«ã¹
ã«ããã·ãããžã¡ãã«ã¢ã»ãã¢ããåã³ãã«ã ã¢
ãããããªã矀ããéžæããã溶液äžã«ãããŠã
ãã ãã¿ãªãåã¯ã¯ãã«ã¡ãã«ããã¬ãŒããš0ãã
70âã®ç¯å²ã®æž©åºŠã§åå¿ãããç空åã³äœæž©ã§ã®
溶åªèžçºã«ãã€ãŠã»ãã¢ããªã³ãšã¹ãã«ãå¡©åºãš
ããŠåé¢ããããšãç¹åŸŽãšããæ¹æ³ã ïŒ è©²ã»ãã¢ããªã³å¡©ããããªãŠã å¡©ã§ããç¹èš±
è«æ±ã®ç¯å²ç¬¬ïŒé èšèŒã®æ¹æ³ã
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT20666/80A IT1130969B (it) | 1980-03-14 | 1980-03-14 | Esteri della cefapirina,loro sali e procedimento per il loro ottenimento |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56133295A JPS56133295A (en) | 1981-10-19 |
| JPH0161117B2 true JPH0161117B2 (ja) | 1989-12-27 |
Family
ID=11170271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3467481A Granted JPS56133295A (en) | 1980-03-14 | 1981-03-12 | Cephapyrin ester, pharmaceutically acceptable salt of same and manufacture thereof |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4393205A (ja) |
| JP (1) | JPS56133295A (ja) |
| KR (2) | KR840002045B1 (ja) |
| CA (1) | CA1133470A (ja) |
| CH (1) | CH652722A5 (ja) |
| DE (1) | DE3108237A1 (ja) |
| FR (1) | FR2478103A1 (ja) |
| GB (1) | GB2071659B (ja) |
| IL (1) | IL62253A (ja) |
| IT (1) | IT1130969B (ja) |
| NL (1) | NL8101271A (ja) |
| YU (1) | YU63081A (ja) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3422100A (en) * | 1967-05-02 | 1969-01-14 | Bristol Myers Co | S-substituted-thioacetamido-cephalosporins |
| FR2020209A1 (en) * | 1968-10-09 | 1970-07-10 | Sarath | Antibiotic acylxymethyl 7-(alpha-amino-alpha-phenyl- - acetamido)-3-methyl-delta-3-cephem-4-carboxylates |
| US3578661A (en) * | 1969-06-02 | 1971-05-11 | Bristol Myers Co | Process for the preparation of 7-(alpha-(4 - pyridylthio)acetamido)cephalosporanic acids |
| GB1355804A (en) * | 1970-12-04 | 1974-06-05 | Beecham Group Ltd | Penicillins and cephalosporinesters |
| GB1364672A (en) * | 1971-06-09 | 1974-08-29 | Beecham Group Ltd | Penicillins |
| GB1492393A (en) * | 1974-02-21 | 1977-11-16 | Beecham Group Ltd | Cephalosporin esters |
-
1980
- 1980-03-14 IT IT20666/80A patent/IT1130969B/it active
-
1981
- 1981-03-02 IL IL62253A patent/IL62253A/xx unknown
- 1981-03-05 DE DE19813108237 patent/DE3108237A1/de not_active Withdrawn
- 1981-03-05 US US06/240,945 patent/US4393205A/en not_active Expired - Fee Related
- 1981-03-09 CH CH1585/81A patent/CH652722A5/it not_active IP Right Cessation
- 1981-03-10 GB GB8107529A patent/GB2071659B/en not_active Expired
- 1981-03-10 FR FR8104702A patent/FR2478103A1/fr active Granted
- 1981-03-12 JP JP3467481A patent/JPS56133295A/ja active Granted
- 1981-03-12 YU YU00630/81A patent/YU63081A/xx unknown
- 1981-03-13 CA CA372,958A patent/CA1133470A/en not_active Expired
- 1981-03-14 KR KR1019810000832A patent/KR840002045B1/ko active
- 1981-03-16 NL NL8101271A patent/NL8101271A/nl not_active Application Discontinuation
-
1984
- 1984-06-21 KR KR1019840003507A patent/KR840002044B1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE3108237A1 (de) | 1982-04-01 |
| GB2071659A (en) | 1981-09-23 |
| KR840002044B1 (ko) | 1984-11-06 |
| JPS56133295A (en) | 1981-10-19 |
| CH652722A5 (it) | 1985-11-29 |
| IL62253A (en) | 1984-09-30 |
| IL62253A0 (en) | 1981-05-20 |
| GB2071659B (en) | 1983-11-09 |
| IT8020666A0 (it) | 1980-03-14 |
| KR830005243A (ko) | 1983-08-03 |
| YU63081A (en) | 1983-10-31 |
| FR2478103B1 (ja) | 1985-01-04 |
| CA1133470A (en) | 1982-10-12 |
| FR2478103A1 (fr) | 1981-09-18 |
| KR840002045B1 (ko) | 1984-11-06 |
| NL8101271A (nl) | 1981-10-01 |
| KR850000179A (ko) | 1985-02-25 |
| IT1130969B (it) | 1986-06-18 |
| US4393205A (en) | 1983-07-12 |
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