NO964139L - Cefalosporinantibiotika - Google Patents

Cefalosporinantibiotika

Info

Publication number
NO964139L
NO964139L NO964139A NO964139A NO964139L NO 964139 L NO964139 L NO 964139L NO 964139 A NO964139 A NO 964139A NO 964139 A NO964139 A NO 964139A NO 964139 L NO964139 L NO 964139L
Authority
NO
Norway
Prior art keywords
new
relates
compounds
cephalosporin antibiotics
cephem
Prior art date
Application number
NO964139A
Other languages
English (en)
Norwegian (no)
Other versions
NO964139D0 (no
Inventor
Burton G Christensen
In-Seop Cho
Tomasz W Glinka
Scott J Hecker
Ving J Lee
Zhijia J Zhang
Original Assignee
Microcide Pharmaceuticals Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Microcide Pharmaceuticals Inc filed Critical Microcide Pharmaceuticals Inc
Publication of NO964139D0 publication Critical patent/NO964139D0/no
Publication of NO964139L publication Critical patent/NO964139L/no

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D477/00Heterocyclic compounds containing 1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. carbapenicillins, thienamycins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulphur-containing hetero ring
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D463/00Heterocyclic compounds containing 1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. carbacephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
    • C07D463/10Heterocyclic compounds containing 1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. carbacephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring with 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
    • C07D463/14Heterocyclic compounds containing 1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. carbacephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring with 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 with hetero atoms directly attached in position 7
    • C07D463/16Nitrogen atoms
    • C07D463/18Nitrogen atoms further acylated by radicals derived from carboxylic acids or by nitrogen or sulfur analogues thereof
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D463/00Heterocyclic compounds containing 1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. carbacephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
    • C07D463/10Heterocyclic compounds containing 1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. carbacephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring with 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
    • C07D463/14Heterocyclic compounds containing 1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. carbacephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring with 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 with hetero atoms directly attached in position 7
    • C07D463/16Nitrogen atoms
    • C07D463/18Nitrogen atoms further acylated by radicals derived from carboxylic acids or by nitrogen or sulfur analogues thereof
    • C07D463/20Nitrogen atoms further acylated by radicals derived from carboxylic acids or by nitrogen or sulfur analogues thereof with the acylating radicals further substituted by hetero atoms or by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
    • C07D463/22Nitrogen atoms further acylated by radicals derived from carboxylic acids or by nitrogen or sulfur analogues thereof with the acylating radicals further substituted by hetero atoms or by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen further substituted by nitrogen atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D477/00Heterocyclic compounds containing 1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. carbapenicillins, thienamycins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulphur-containing hetero ring
    • C07D477/10Heterocyclic compounds containing 1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. carbapenicillins, thienamycins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulphur-containing hetero ring with hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 4, and with 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
    • C07D477/12Heterocyclic compounds containing 1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. carbapenicillins, thienamycins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulphur-containing hetero ring with hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 4, and with 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 with hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, attached in position 6
    • C07D477/16Heterocyclic compounds containing 1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. carbapenicillins, thienamycins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulphur-containing hetero ring with hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 4, and with 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 with hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, attached in position 6 with hetero atoms or carbon atoms 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 3
    • C07D477/20Sulfur atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D499/00Heterocyclic 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
    • C07D499/88Compounds with a double bond between positions 2 and 3 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D501/00Heterocyclic 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D503/00Heterocyclic compounds containing 4-oxa-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. oxapenicillins, clavulanic acid derivatives; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D505/00Heterocyclic compounds containing 5-oxa-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. oxacephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D513/00Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00
    • C07D513/02Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00 in which the condensed system contains two hetero rings
    • C07D513/04Ortho-condensed systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Cephalosporin Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
NO964139A 1994-04-01 1996-09-30 Cefalosporinantibiotika NO964139L (no)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US22226294A 1994-04-01 1994-04-01
US36979895A 1995-01-06 1995-01-06
PCT/US1995/003976 WO1995026966A1 (en) 1994-04-01 1995-03-29 Cephalosporin antibiotics

Publications (2)

Publication Number Publication Date
NO964139D0 NO964139D0 (no) 1996-09-30
NO964139L true NO964139L (no) 1996-11-29

Family

ID=26916618

Family Applications (1)

Application Number Title Priority Date Filing Date
NO964139A NO964139L (no) 1994-04-01 1996-09-30 Cefalosporinantibiotika

Country Status (14)

Country Link
US (5) US5593986A (ja)
EP (1) EP0754184A1 (ja)
JP (1) JPH09511738A (ja)
CN (1) CN1149874A (ja)
AU (1) AU686371B2 (ja)
BR (1) BR9507267A (ja)
CA (1) CA2186894A1 (ja)
CZ (1) CZ287296A3 (ja)
MX (1) MX9604505A (ja)
NO (1) NO964139L (ja)
NZ (1) NZ284212A (ja)
PL (1) PL316633A1 (ja)
SK (1) SK126696A3 (ja)
WO (1) WO1995026966A1 (ja)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5698547A (en) * 1994-04-01 1997-12-16 Microcide Pharmaceuticals, Inc. Cephalosporin antibiotics
AU4123396A (en) * 1994-12-09 1996-06-26 Fujisawa Pharmaceutical Co., Ltd. Cephem compounds and pharmaceutical use thereof
WO1996038450A1 (en) * 1995-05-31 1996-12-05 Microcide Pharmaceuticals, Inc. Cephalosporin antibiotics
MY127641A (en) * 1995-10-12 2006-12-29 Essential Therapeutics Inc Cephalosporin antibiotics
AUPN801196A0 (en) * 1996-02-12 1996-03-07 Fujisawa Pharmaceutical Co., Ltd. New cephem compounds and pharmaceutical use thereof
US6025352A (en) * 1997-09-29 2000-02-15 Microcide Pharmaceuticals, Inc. Cephalosporin antibiotics
US6030965A (en) * 1997-09-30 2000-02-29 Microcide Pharmaceuticals, Inc. Cephalosporin antibiotics
US6159706A (en) * 1997-12-23 2000-12-12 Newbiotics, Inc. Application of enzyme prodrugs as anti-infective agents
JPH11279180A (ja) * 1998-01-23 1999-10-12 Toyama Chem Co Ltd 新規なセファロスポリン誘導体またはその塩並びにそれらを含有する抗菌剤
US6548362B1 (en) * 1998-05-22 2003-04-15 Texas Instruments-Acer Incorporated Method of forming MOSFET with buried contact and air-gap gate structure
WO2000026191A1 (fr) * 1998-11-04 2000-05-11 Meiji Seika Kaisha, Ltd. Derives de picolinamide et pesticides contenant ces derives comme ingredient actif
AR029004A1 (es) * 1999-09-22 2003-06-04 Essential Therapeutics Inc Compuesto del acido 7-acilamino-3-heteroariltio-3-cefem carboxilico y su uso para la preparacion de una composicion antibacteriana
US6544555B2 (en) 2000-02-24 2003-04-08 Advancis Pharmaceutical Corp. Antibiotic product, use and formulation thereof
CN1606558A (zh) * 2000-07-07 2005-04-13 株式会社Lg生命科学 新型头孢菌素化合物及其制备方法
CA2409337A1 (en) * 2000-07-07 2002-01-17 Lg Life Sciences Ltd. Novel cephalosporin compounds and process for preparing the same
US20020068078A1 (en) 2000-10-13 2002-06-06 Rudnic Edward M. Antifungal product, use and formulation thereof
WO2002096430A1 (en) * 2001-06-01 2002-12-05 Kylix B.V. Cephalosporin derivatives as anti-cancer agents
AU2004258944B2 (en) 2003-07-21 2011-02-10 Shionogi, Inc. Antibiotic product, use and formulation thereof
AU2004258949B2 (en) 2003-07-21 2011-02-10 Shionogi, Inc. Antibiotic product, use and formulation thereof
CA2533292C (en) 2003-07-21 2013-12-31 Advancis Pharmaceutical Corporation Antibiotic product, use and formulation thereof
JP2007502296A (ja) 2003-08-11 2007-02-08 アドバンシス ファーマスーティカル コーポレイション ロバストペレット
US8062672B2 (en) 2003-08-12 2011-11-22 Shionogi Inc. Antibiotic product, use and formulation thereof
WO2005023184A2 (en) * 2003-08-29 2005-03-17 Advancis Pharmaceuticals Corporation Antibiotic product, use and formulation thereof
WO2005027877A1 (en) 2003-09-15 2005-03-31 Advancis Pharmaceutical Corporation Antibiotic product, use and formulation thereof
WO2006014427A1 (en) 2004-07-02 2006-02-09 Advancis Pharmaceutical Corporation Tablet for pulsed delivery
US8357394B2 (en) 2005-12-08 2013-01-22 Shionogi Inc. Compositions and methods for improved efficacy of penicillin-type antibiotics
US8778924B2 (en) 2006-12-04 2014-07-15 Shionogi Inc. Modified release amoxicillin products
US8299052B2 (en) * 2006-05-05 2012-10-30 Shionogi Inc. Pharmaceutical compositions and methods for improved bacterial eradication
WO2008021089A2 (en) * 2006-08-07 2008-02-21 Middlebrook Pharmaceuticals, Inc. Once-a-day (rna-polymerase inhibiting or phenazine)-dihydropteroate synthase inhibiting-dihydrofolate reductase inhibiting antibiotic pharmaceutical product, formulation thereof, and use thereof in treating infection caused by methicillin-resistant staphylococcus aureus
JP2016503395A (ja) 2012-10-31 2016-02-04 バイエル・クロップサイエンス・アクチェンゲゼルシャフト 病害生物防除剤としての複素環化合物
WO2015115339A1 (ja) * 2014-01-30 2015-08-06 住友化学株式会社 ピリジン化合物の製造方法
CN104829524A (zh) * 2014-02-11 2015-08-12 Fmc公司 除草剂氟吡磺隆的中间体的合成方法
WO2016069578A1 (en) 2014-10-27 2016-05-06 Tensha Therapeutics, Inc. Bromodomain inhibitors
CN110117292A (zh) * 2019-05-31 2019-08-13 重庆医药高等专科学校 7-ATCAδ3-异构体的制备方法
EP4021453A4 (en) * 2019-08-29 2022-11-16 The Regents of The University of California COMPOUNDS FOR IDENTIFYING BETA-LACTAMASES AND METHODS OF USE THEREOF
CN112321606B (zh) * 2020-11-04 2022-05-17 福安药业集团重庆博圣制药有限公司 头孢唑肟钠及其中间体的制备方法

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH605999A5 (en) * 1974-08-30 1978-10-13 Ciba Geigy Ag 3-Thio-7-amino-3- and-2-cephem-4-carboxylic acids
CH605997A5 (ja) * 1974-08-30 1978-10-13 Ciba Geigy Ag
CH605998A5 (en) * 1974-08-30 1978-10-13 Ciba Geigy Ag 3-Thio-7-amino-3- and-2-cephem-4-carboxylic acids
US3992377A (en) * 1974-12-13 1976-11-16 Eli Lilly And Company 3-Thio-substituted cephalosporin antibiotics
JPS5214789A (en) * 1975-07-22 1977-02-03 Shionogi & Co Ltd Process for preparing 3-substiuted cephem compounds by ring closure
ZA766941B (en) * 1975-11-21 1978-06-28 Merck & Co Inc 3-(substituted thio)cephalosporins,derivatives and nuclear analogues thereof
US4150156A (en) * 1975-11-21 1979-04-17 Merck & Co., Inc. 7-(Substituted methyl)-3-(substituted thio)-cephalosporins, derivatives and pharmaceutical compositions containing them
GB1584762A (en) * 1977-04-01 1981-02-18 Beecham Group Ltd Azabicycloheptenes
EP0009008A3 (de) * 1978-09-08 1980-05-14 Ciba-Geigy Ag Cephalosporinderivate, Verfahren zu ihrer Herstellung und diese enthaltende pharmazeutische Präparate
EP0010312A3 (en) * 1978-10-23 1982-01-13 Merck & Co. Inc. Process for the preparation of 6-hydroxymethyl-2-(beta-aminoethylthio)-1-carbadethiapen-2-em-3-carboxylic acid and intermediates useful in this process
US4992542A (en) * 1984-01-24 1991-02-12 Merck & Co., Inc. 2-substituted-6-carbadethiapen-2-em-3-carboxylic acids
JPS6133190A (ja) * 1984-07-10 1986-02-17 Fujisawa Pharmaceut Co Ltd 新規セフエム化合物,その製造法およびその用途
GB8421180D0 (en) * 1984-08-21 1984-09-26 Fujisawa Pharmaceutical Co Cephem compounds
JPH0653739B2 (ja) * 1984-11-15 1994-07-20 協和醗酵工業株式会社 3位置換カルバセフエム化合物
US4812562A (en) * 1985-07-25 1989-03-14 Taisho Pharmaceutical Co., Ltd. Cephalosporin derivatives
NO862910L (no) * 1985-08-05 1987-02-06 Fujisawa Pharmaceutical Co Fremgangsmaate for fremstilling av 3,7-disubstituerte-3-cefemforbindelser.
US4782145A (en) * 1986-06-02 1988-11-01 Pfizer Inc. Process for penem derivatives
US4870168A (en) * 1987-02-26 1989-09-26 Bristol-Myers Company 3-Unsaturated alkyl cephems from 3-triflyl cephems
JPH0686459B2 (ja) * 1989-12-07 1994-11-02 明治製菓株式会社 3―置換チオ―3―セフエム化合物の製造法
US5025006A (en) * 1990-06-26 1991-06-18 Merck & Co., Inc. 2-biphenyl-carbapenem antibacterial agents
JPH0686461B2 (ja) * 1990-08-09 1994-11-02 田辺製薬株式会社 セファロスポリン化合物及びその製法
US5205006A (en) * 1990-09-13 1993-04-27 Panasuk Alfred J Electrician tool
US5077287A (en) * 1991-01-18 1991-12-31 Eli Lilly And Company 3-thiazolylthio carbacephem antibacterial agents
US5162521A (en) * 1991-06-06 1992-11-10 Bristol-Myers Squibb Company Processes for making cephems from allenylazetidinone derivatives
JPH05132488A (ja) * 1991-08-13 1993-05-28 Meiji Seika Kaisha Ltd 新規セフアロスポリン誘導体
JP2857532B2 (ja) * 1992-03-12 1999-02-17 明治製菓株式会社 新規セファロスポリン誘導体
JPH0733777A (ja) * 1993-07-16 1995-02-03 Fujisawa Pharmaceut Co Ltd 新規セフェム化合物
TW427993B (en) * 1993-09-09 2001-04-01 Fujisawa Pharmaceutical Co New cephem compounds

Also Published As

Publication number Publication date
WO1995026966A1 (en) 1995-10-12
MX9604505A (es) 1997-11-29
US5593986A (en) 1997-01-14
JPH09511738A (ja) 1997-11-25
US5604218A (en) 1997-02-18
BR9507267A (pt) 1997-09-23
EP0754184A1 (en) 1997-01-22
NO964139D0 (no) 1996-09-30
AU686371B2 (en) 1998-02-05
US5756493A (en) 1998-05-26
CN1149874A (zh) 1997-05-14
AU2275095A (en) 1995-10-23
NZ284212A (en) 1997-11-24
CA2186894A1 (en) 1995-10-12
US5607926A (en) 1997-03-04
CZ287296A3 (en) 1997-05-14
PL316633A1 (en) 1997-02-03
SK126696A3 (en) 1997-04-09
US5789584A (en) 1998-08-04

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