IL56557A - 6-substituted 2-penem-3-carboxylic acid derivatives,their production and pharmaceutical compositions containing them - Google Patents

6-substituted 2-penem-3-carboxylic acid derivatives,their production and pharmaceutical compositions containing them

Info

Publication number
IL56557A
IL56557A IL56557A IL5655779A IL56557A IL 56557 A IL56557 A IL 56557A IL 56557 A IL56557 A IL 56557A IL 5655779 A IL5655779 A IL 5655779A IL 56557 A IL56557 A IL 56557A
Authority
IL
Israel
Prior art keywords
penem
substituted
production
carboxylic acid
pharmaceutical compositions
Prior art date
Application number
IL56557A
Other languages
English (en)
Other versions
IL56557A0 (en
Original Assignee
Ciba Geigy Ag
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 Ciba Geigy Ag filed Critical Ciba Geigy Ag
Publication of IL56557A0 publication Critical patent/IL56557A0/xx
Publication of IL56557A publication Critical patent/IL56557A/xx

Links

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
    • C07D499/88—Compounds 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D205/00—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom
    • C07D205/02—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings
    • C07D205/06—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D205/08—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D205/00—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom
    • C07D205/02—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings
    • C07D205/06—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D205/08—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams
    • C07D205/09—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams with a sulfur atom directly attached in position 4
    • 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
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02—Phosphorus compounds
    • C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
    • C07F9/553—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having one nitrogen atom as the only ring hetero atom
    • C07F9/568—Four-membered rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Molecular Biology (AREA)
  • Oncology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Animal Behavior & Ethology (AREA)
  • Medicinal Chemistry (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Communicable Diseases (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
IL56557A 1978-02-02 1979-01-31 6-substituted 2-penem-3-carboxylic acid derivatives,their production and pharmaceutical compositions containing them IL56557A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH114078 1978-02-02

Publications (2)

Publication Number Publication Date
IL56557A0 IL56557A0 (en) 1979-03-12
IL56557A true IL56557A (en) 1982-01-31

Family

ID=4203421

Family Applications (1)

Application Number Title Priority Date Filing Date
IL56557A IL56557A (en) 1978-02-02 1979-01-31 6-substituted 2-penem-3-carboxylic acid derivatives,their production and pharmaceutical compositions containing them

Country Status (23)

Country Link
US (2) US4692442A (fr)
EP (2) EP0042026B1 (fr)
JP (3) JPS54119486A (fr)
AR (1) AR228236A1 (fr)
AT (1) AT362876B (fr)
AU (1) AU519317B2 (fr)
CA (1) CA1340273C (fr)
CS (1) CS222279B2 (fr)
DD (1) DD142342A5 (fr)
DK (1) DK160099C (fr)
ES (1) ES477336A1 (fr)
FI (1) FI73219C (fr)
GB (1) GB2013674A (fr)
GR (1) GR72911B (fr)
HU (1) HU182017B (fr)
IE (1) IE48776B1 (fr)
IL (1) IL56557A (fr)
NO (1) NO158679C (fr)
NZ (1) NZ189530A (fr)
PL (1) PL122371B1 (fr)
PT (1) PT69166A (fr)
SU (1) SU925252A3 (fr)
ZA (1) ZA79433B (fr)

Families Citing this family (90)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5071843A (en) * 1978-07-24 1991-12-10 Merck & Co., Inc. Combination of 2-substituted carbapenems with dipeptidase inhibitors
US4880793A (en) * 1978-07-24 1989-11-14 Merck & Co., Inc. Combination of thienamycin-type antibiotics with dipeptidase inhibitors
US4272437A (en) 1978-12-18 1981-06-09 Bristol-Myers Company Antibacterial agents, and 4-thio azetidinone intermediates
JPS5625110A (en) * 1978-12-18 1981-03-10 Bristol Myers Co Antibacterial
US4282150A (en) 1978-12-18 1981-08-04 Bristol-Myers Company 2,6-Disubstituted penem compounds
IL59081A0 (en) * 1979-01-10 1980-05-30 Schering Corp 2-penem compounds and a method for preparing them
DE3071497D1 (en) * 1979-01-10 1986-04-17 Schering Corp 2-penem compounds; a method for their preparation and pharmaceutical compositions comprising them
FI75163C (fi) * 1979-02-24 1988-05-09 Erba Farmitalia Foerfarande foer framstaellning av nya penemkarboxylsyror eller -estrar.
JPS55153789A (en) * 1979-04-11 1980-11-29 Sankyo Co Ltd Penem-3-carboxylic acid derivative and its preparation
US4374065A (en) 1979-09-21 1983-02-15 Bristol-Myers Company Antibacterial agents of the β-lactam type
US4378314A (en) 1979-09-21 1983-03-29 Bristol Myers Company Antibacterial agents and metal containing azetidinone intermediates therefore
US4443463A (en) * 1979-11-05 1984-04-17 Schering Corporation (5R,6S,8R)-6-(1-Hydroxyethyl)-2-(hydroxyalkylthio)-penem-3-carboxylates
EP0035188B1 (fr) * 1980-02-28 1985-04-17 Schering Corporation Dérivés de 2-pénème, compositions pharmaceutiques les contenant et procédés pour leur préparation
JPS56142283A (en) * 1980-03-17 1981-11-06 Sankyo Co Ltd Penem-3-carboxylic acid derivative and its preparation
SE8101464L (sv) * 1980-03-10 1981-09-11 Sankyo Co 2-penem-3-karboxylsyraderivat, deras framstellning och anvendning
DE3176517D1 (en) * 1980-04-24 1987-12-17 Beecham Group Plc Beta-lactam compounds, their preparation and use
ES502828A0 (es) * 1980-06-06 1982-11-01 Sankyo Co Un procedimiento para la preparacion de derivados del acido penen-3-carboxilico.
DE3121510A1 (de) * 1980-07-04 1982-06-16 Farmitalia Carlo Erba S.p.A., 20159 Milano 6-alkyl-2-subst.-peneme und verfahren zu ihrer herstellung
DE3167198D1 (en) * 1980-08-16 1984-12-20 Beecham Group Plc Process for the preparation of 2-thio penem derivatives and intermediates therefor
EP0176064A1 (fr) * 1980-11-06 1986-04-02 Hoechst Uk Limited Intermédiaires pour la préparation de dérivés de 7-oxo-4-thia-1-aza-[3,2,0]heptane et de 7-oxo-4-thia-1-aza[3,2,0]hept-2-éne
US4347183A (en) * 1981-02-02 1982-08-31 Schering Corporation Process for the synthesis of penems and carbapenems
JPS588084A (ja) * 1981-07-08 1983-01-18 Takeda Chem Ind Ltd （６ｒ）−置換−（５ｒ）−ペネム−３−カルボン酸誘導体およびその製造法
DE3277696D1 (en) * 1981-07-15 1987-12-23 Sumitomo Pharma Carboxylic beta-lactam compounds and the preparation thereof
JPS58116487A (ja) * 1981-12-28 1983-07-11 Sumitomo Chem Co Ltd 新規なβ−ラクタム化合物及びその製造法
JPS58198486A (ja) * 1982-05-14 1983-11-18 Sankyo Co Ltd ペネムまたはカルバペネム−３−カルボン酸誘導体およびその製法
JPS5835190A (ja) * 1981-08-25 1983-03-01 Sankyo Co Ltd ペネム−３−カルボン酸誘導体
CA1190236A (fr) * 1981-10-23 1985-07-09 Edward J.J. Grabowski Synthese d'un antibiotique
US4411906A (en) * 1981-11-25 1983-10-25 Schering Corporation (5R,6S,8R)-6-(1-Hydroxyethyl)-2-(2-fluoroethylthio)-penem-3-carboxylates
AT379399B (de) * 1981-12-11 1985-12-27 Erba Farmitalia Verfahren zur herstellung von optisch aktiven penemen
NO831160L (no) * 1982-04-08 1983-10-10 Erba Farmitalia Fremstilling av substituerte penem-derivater
JPS591464A (ja) * 1982-06-26 1984-01-06 Sankyo Co Ltd β−ラクタム化合物及びその製法
EP0099059B1 (fr) * 1982-07-08 1988-06-22 Hoechst Uk Limited Dérivés de pénème antibactériens
EP0109362A1 (fr) * 1982-11-16 1984-05-23 Ciba-Geigy Ag Composés hétérocycliques, procédé pour leur préparation, compositions pharmaceutiques les contenant et leur application
EP0112283B1 (fr) * 1982-11-16 1987-08-12 Ciba-Geigy Ag Dérivés hétérocyclylthio, procédé pour leur préparation, compositions pharmaceutiques les contenant et leur application
US4540579A (en) * 1982-11-16 1985-09-10 Schering Corporation 2-[(R) Amino acid alkyl]penems
US4540580A (en) * 1982-11-16 1985-09-10 Schering Corporation 2-[(1'R)-1'-Aminoalkyl]penems
PH21930A (en) * 1982-11-16 1988-04-08 Ciba Geigy Ag 6-hydroxy-lower alkylpenem compounds,pharmaceutical composition containing same and method of use thereof
DE3366926D1 (en) * 1982-11-16 1986-11-20 Schering Corp Penems, pharmaceutical compositions containing them, process for preparing them
US4435413A (en) 1983-01-28 1984-03-06 Schering Corporation (5R-6S,8R)-6-(1-Hydroxyethyl)-2-(2-glycylaminoethylthio)-penem-3-carboxylic acid
EP0345827A1 (fr) * 1982-11-29 1989-12-13 Schering Corporation Procédé de préparation de dérivés de pénème
AU563157B2 (en) * 1982-12-08 1987-07-02 Farmitalia Carlo Erba S.P.A. 2-thiacephems and (5r) penems derivatives
JPS59152387A (ja) * 1983-02-10 1984-08-31 Shionogi & Co Ltd 新規ペネム化合物
DK141784A (da) * 1983-03-14 1984-09-15 Schering Corp Penemforbindelser, fremgangsmaader til deres fremstilling samt farmaceutiske praeparater indeholdende disse
EP0125208A1 (fr) * 1983-05-06 1984-11-14 Ciba-Geigy Ag Dérivés d'amino-alcoyl-inférieur-pénème, procédé pour leur préparation, compositions pharmaceutiques les contenant et leur application
EP0125207A1 (fr) * 1983-05-06 1984-11-14 Ciba-Geigy Ag Dérivés de 2-tetrazolylpropyl-2-pénème, procédé pour leur préparation, compositions pharmaceutiques les contenant et leur application
CA1283906C (fr) * 1983-05-09 1991-05-07 Makoto Sunagawa COMPOSE DE .beta.-LACTAM ET PROCEDE DE PRODUCTION
US4619783A (en) * 1983-06-10 1986-10-28 Pfizer Inc. Process and intermediates for the preparation of penem derivatives
US4595539A (en) * 1983-06-10 1986-06-17 Pfizer Inc. Preparation of penem derivatives and azetidinone intermediates
US4725678A (en) * 1983-06-10 1988-02-16 Pfizer Inc. Azetidinone intermediates for the preparation of penem derivatives
US4554103A (en) * 1983-07-14 1985-11-19 Schering Corporation Preparation of 4-acyloxyazetidinones from acyl nitrates and penams
GB8321677D0 (en) * 1983-08-11 1983-09-14 Erba Farmitalia Preparation of penems
US4656165A (en) * 1983-09-02 1987-04-07 Ciba-Geigy Corporation Aminomethyl penem compounds
US4584133A (en) * 1983-11-07 1986-04-22 Schering Corporation Process for the production of penems
US4587241A (en) * 1983-11-28 1986-05-06 Schering Corporation Heterocyclic substituted penems
US5229381A (en) * 1983-12-01 1993-07-20 Merck & Co., Inc. Substituted azetidinones as anti-inflammatory and antidegenerative agents
US4680391A (en) * 1983-12-01 1987-07-14 Merck & Co., Inc. Substituted azetidinones as anti-inflammatory and antidegenerative agents
US5229510A (en) * 1983-12-01 1993-07-20 Merck & Co., Inc. β-lactams useful in determining the amount of elastase in a clinical sample
US4711886A (en) * 1984-07-02 1987-12-08 Merck & Co., Inc. β-lactam derivatives as anti-inflammatory and antidegenerative agents
JPS62501556A (ja) * 1984-07-13 1987-06-25 メルシャン株式会社 新規２↓−オキソアゼチジン類、その製造方法および応用
US4617300A (en) * 1984-09-21 1986-10-14 Schering Corporation 2(N-heterocyclyl) penems
DE3587546D1 (de) * 1984-10-01 1993-09-30 Ciba Geigy Verfahren zur Herstellung von optisch aktiven Acyloxyazetidinonen.
US4761408A (en) * 1984-11-02 1988-08-02 Ciba-Geigy Corporation Crystalline aminomethyl compound
JPH075463B2 (ja) * 1985-03-09 1995-01-25 サントリー株式会社 抗菌剤
EP0199675A1 (fr) * 1985-04-17 1986-10-29 Ciba-Geigy Ag Dérivés d'hétérocyclylpénème
DE3752124T2 (de) * 1986-01-17 1998-03-26 Beecham Group Plc Verfahren zur Herstellung von Penem Derivaten und Zwischenprodukte zu dieser Herstellung
US4806637A (en) * 1986-03-17 1989-02-21 Schering Corporation 6-(Hydroxyethyl)-2-(heterocyclylthio)-penem-3-carboxylates
US4826832A (en) * 1986-05-06 1989-05-02 Ciba-Geigy Corporation Penen compounds
JP2526046B2 (ja) * 1986-12-26 1996-08-21 サントリー株式会社 ペネム誘導体、その製造法およびその用途
DE3882730D1 (de) * 1987-02-11 1993-09-09 Ciba Geigy Ag Bicyclische beta-lactam-carbonsaeuren.
US4751297A (en) * 1987-03-20 1988-06-14 Pfizer Inc. Method for preparation of azetidinone-1-oxoacetate by oxidation of the corresponding 2-hydroxyacetate
GB8713515D0 (en) * 1987-06-10 1987-07-15 Erba Farmitalia Methoxymethyl compounds
AT392903B (de) * 1987-10-08 1991-07-10 Hoechst Ag Pharmazeutische zubereitung enthaltend ein cephalosporin und ein penemantibiotikum
DE3839987A1 (de) * 1988-11-26 1990-05-31 Hoechst Ag Penemderivate und verfahren zu ihrer herstellung
US4876365A (en) * 1988-12-05 1989-10-24 Schering Corporation Intermediate compounds for preparing penems and carbapenems
US5198544A (en) * 1989-04-29 1993-03-30 Hoechst Aktiengesellschaft Process for the preparation of penem compounds
US5100880A (en) * 1991-03-20 1992-03-31 Merck & Co., Inc. Novel betalactam elastase inhibitors containing phosphorous acid derivatives at the 4-position of the 2-azetidinone
US5104862A (en) * 1991-03-20 1992-04-14 Merck & Co., Inc. Bethalactam elastase inhibitors containing phosphorous acid derivatives at the 4-position of the 2-azetidinone
GB9110507D0 (en) * 1991-05-15 1991-07-03 Smithkline Beecham Plc Chemical compounds
US5348953A (en) * 1991-06-25 1994-09-20 Merck & Co., Inc. Substituted azetidinones as anti-inflammatory and antidegenerative agents
GB9216102D0 (en) * 1992-07-29 1992-09-09 Smithkline Beecham Plc Pharmaceutical substances
CA2147129A1 (fr) * 1992-10-27 1994-05-11 James B. Doherty Nouvelles azetidinones substituees utilisees comme agents anti-inflammatoires et anti-degeneratifs
US5591737A (en) * 1992-12-17 1997-01-07 Merck & Co., Inc. Substituted azetidinones as anti-inflammatory and antidegenerative agents
WO1996025417A1 (fr) * 1995-02-17 1996-08-22 Suntory Limited Derives de peneme et agent anti-microbien les contenant
US5747485A (en) * 1995-04-13 1998-05-05 Merck & Co., Inc. Substituted azetidiones as anti-inflammatory and antidegenerative agents
US6365635B1 (en) 1998-01-13 2002-04-02 Suntory Limited Antibacterial composition for topical administration containing antibiotic
JP2005239696A (ja) 2004-01-30 2005-09-08 Daiichi Suntory Pharma Co Ltd 無機物質を配合した医薬硬質カプセル剤
CN101029056B (zh) * 2006-02-28 2011-06-08 天津国韵生物材料有限公司 聚-3-羟基丁酸酯在制备β-内酰胺化合物中的用途
US8883772B2 (en) 2007-10-09 2014-11-11 Sopharmia, Inc. Broad spectrum beta-lactamase inhibitors
DK2968352T3 (da) 2013-03-12 2019-01-02 Gladius Pharmaceuticals Corp Derivatiserede 3-styryl-cephalosporiner
WO2019215037A1 (fr) * 2018-05-07 2019-11-14 Covestro Deutschland Ag Support de stockage et procédé de séparation, de stockage et de transport de chlore à partir de gaz contenant du chlore

Family Cites Families (13)

* Cited by examiner, † Cited by third party
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GB1368074A (en) * 1971-02-04 1974-09-25 Beecham Group Ltd Substituted beta-lactams and their preparation
US4364865A (en) * 1975-12-08 1982-12-21 Ciba-Geigy Corporation Bicyclic unsaturated thia-aza compounds and 4-acylthio azetidinone intermediates
US4543257A (en) * 1977-10-19 1985-09-24 Merck & Co., Inc. 1-Carba-2-penem-3-carboxylic acid
US4500457A (en) * 1977-05-09 1985-02-19 Ciba-Geigy Corporation Process for preparing thia-aza compounds with a beta-lactam ring
LU77306A1 (fr) * 1977-05-09 1979-01-18
US4168314A (en) * 1977-11-17 1979-09-18 Merck & Co., Inc. 6-(1'-Hydroxyethyl)-2-aminoethylthio-pen-2-em-3-carboxylic acid
US4123539A (en) * 1977-12-29 1978-10-31 Merck & Co., Inc. 6-Ethylpenicillanic acid
US4272437A (en) * 1978-12-18 1981-06-09 Bristol-Myers Company Antibacterial agents, and 4-thio azetidinone intermediates
DE3069597D1 (en) * 1979-08-01 1984-12-13 Ciba Geigy Ag 3-substituted bicyclic azetidinone derivatives, process for their preparation, and intermediates as well as their preparation
EP0112283B1 (fr) * 1982-11-16 1987-08-12 Ciba-Geigy Ag Dérivés hétérocyclylthio, procédé pour leur préparation, compositions pharmaceutiques les contenant et leur application
US4614614A (en) * 1983-03-28 1986-09-30 Ciba-Geigy Corporation Process for the manufacture of optically active azetidinones
US4656165A (en) * 1983-09-02 1987-04-07 Ciba-Geigy Corporation Aminomethyl penem compounds
US4826832A (en) * 1986-05-06 1989-05-02 Ciba-Geigy Corporation Penen compounds

Also Published As

Publication number Publication date
PL213133A1 (fr) 1980-03-10
AU4384379A (en) 1979-08-09
EP0003960A1 (fr) 1979-09-19
EP0003960B1 (fr) 1983-06-29
DK43279A (da) 1979-08-03
AT362876B (de) 1981-06-25
NZ189530A (en) 1982-02-23
SU925252A3 (ru) 1982-04-30
NO158679B (no) 1988-07-11
HU182017B (en) 1983-12-28
US4692442A (en) 1987-09-08
DK160099B (da) 1991-01-28
EP0042026B1 (fr) 1986-01-08
JPH0329789B2 (fr) 1991-04-25
IL56557A0 (en) 1979-03-12
US4952690A (en) 1990-08-28
JPH0314037B2 (fr) 1991-02-25
CS222279B2 (en) 1983-06-24
JPH045677B2 (fr) 1992-02-03
ATA74579A (de) 1980-11-15
DK160099C (da) 1991-06-24
JPS54119486A (en) 1979-09-17
AU519317B2 (en) 1981-11-26
PL122371B1 (en) 1982-07-31
FI73219B (fi) 1987-05-29
AR228236A1 (es) 1983-02-15
FI790321A (fi) 1979-08-03
ZA79433B (en) 1980-02-27
ES477336A1 (es) 1979-07-01
FI73219C (fi) 1987-09-10
NO790332L (no) 1979-08-03
JPH01110668A (ja) 1989-04-27
EP0042026A1 (fr) 1981-12-23
PT69166A (de) 1979-03-01
JPS62129264A (ja) 1987-06-11
IE790191L (en) 1979-08-02
IE48776B1 (en) 1985-05-15
DD142342A5 (de) 1980-06-18
GB2013674A (en) 1979-08-15
GR72911B (fr) 1984-01-05
NO158679C (no) 1988-10-19
CA1340273C (fr) 1998-12-15

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