AR228236A1 - Procedimiento para la elaboracion de compuestos del acido 2-penem-3-carboxilico - Google Patents

Procedimiento para la elaboracion de compuestos del acido 2-penem-3-carboxilico

Info

Publication number
AR228236A1
AR228236A1 AR275390A AR27539079A AR228236A1 AR 228236 A1 AR228236 A1 AR 228236A1 AR 275390 A AR275390 A AR 275390A AR 27539079 A AR27539079 A AR 27539079A AR 228236 A1 AR228236 A1 AR 228236A1
Authority
AR
Argentina
Prior art keywords
penem
elaboration
procedure
carboxylic acid
acid compounds
Prior art date
Application number
AR275390A
Other languages
English (en)
Spanish (es)
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
Application granted granted Critical
Publication of AR228236A1 publication Critical patent/AR228236A1/es

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)
  • Veterinary Medicine (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Animal Behavior & Ethology (AREA)
  • Oncology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Communicable Diseases (AREA)
  • Public Health (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members (AREA)
  • Thiazole And Isothizaole Compounds (AREA)
AR275390A 1978-02-02 1979-02-02 Procedimiento para la elaboracion de compuestos del acido 2-penem-3-carboxilico AR228236A1 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
AR228236A1 true AR228236A1 (es) 1983-02-15

Family

ID=4203421

Family Applications (1)

Application Number Title Priority Date Filing Date
AR275390A AR228236A1 (es) 1978-02-02 1979-02-02 Procedimiento para la elaboracion de compuestos del acido 2-penem-3-carboxilico

Country Status (23)

Country Link
US (2) US4692442A (enExample)
EP (2) EP0003960B1 (enExample)
JP (3) JPS54119486A (enExample)
AR (1) AR228236A1 (enExample)
AT (1) AT362876B (enExample)
AU (1) AU519317B2 (enExample)
CA (1) CA1340273C (enExample)
CS (1) CS222279B2 (enExample)
DD (1) DD142342A5 (enExample)
DK (1) DK160099C (enExample)
ES (1) ES477336A1 (enExample)
FI (1) FI73219C (enExample)
GB (1) GB2013674A (enExample)
GR (1) GR72911B (enExample)
HU (1) HU182017B (enExample)
IE (1) IE48776B1 (enExample)
IL (1) IL56557A (enExample)
NO (1) NO158679C (enExample)
NZ (1) NZ189530A (enExample)
PL (1) PL122371B1 (enExample)
PT (1) PT69166A (enExample)
SU (1) SU925252A3 (enExample)
ZA (1) ZA79433B (enExample)

Families Citing this family (90)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4880793A (en) * 1978-07-24 1989-11-14 Merck & Co., Inc. Combination of thienamycin-type antibiotics with dipeptidase inhibitors
US5071843A (en) * 1978-07-24 1991-12-10 Merck & Co., Inc. Combination of 2-substituted carbapenems with dipeptidase inhibitors
US4282150A (en) 1978-12-18 1981-08-04 Bristol-Myers Company 2,6-Disubstituted penem compounds
JPS5625110A (en) * 1978-12-18 1981-03-10 Bristol Myers Co Antibacterial
US4272437A (en) 1978-12-18 1981-06-09 Bristol-Myers Company Antibacterial agents, and 4-thio azetidinone intermediates
EP0061205B1 (en) * 1979-01-10 1986-03-12 Schering Corporation 2-penem compounds; a method for their preparation and pharmaceutical compositions comprising them
IL59081A0 (en) * 1979-01-10 1980-05-30 Schering Corp 2-penem compounds and a method for preparing them
AT368506B (de) * 1979-02-24 1982-10-25 Erba Farmitalia Verfahren zur herstellung von neuen penemcarbonsaeuren und deren salzen
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 (en) * 1980-02-28 1985-04-17 Schering Corporation 2-penem compounds, pharmaceutical compositions containing them and methods for their preparation
SE8101464L (sv) * 1980-03-10 1981-09-11 Sankyo Co 2-penem-3-karboxylsyraderivat, deras framstellning och anvendning
JPS56142283A (en) * 1980-03-17 1981-11-06 Sankyo Co Ltd Penem-3-carboxylic acid derivative and its preparation
DE3176517D1 (en) * 1980-04-24 1987-12-17 Beecham Group Plc Beta-lactam compounds, their preparation and use
US4395418A (en) * 1980-06-06 1983-07-26 Sankyo Company Limited Penem-3-carboxylic acid derivatives
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
GB2083462B (en) * 1980-08-16 1984-05-02 Beecham Group Ltd 2-thiopenem derivatives
EP0051813B1 (en) * 1980-11-06 1986-07-30 Hoechst Uk Limited 7-oxo-4-thia-1-aza(3,2,0)heptane and 7-oxo-4-thia-1-aza(3,2,0)hept-2-ene derivatives
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
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
DE3277696D1 (en) * 1981-07-15 1987-12-23 Sumitomo Pharma Carboxylic beta-lactam compounds and the preparation thereof
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 (en) * 1981-10-23 1985-07-09 Edward J.J. Grabowski Antibiotic synthesis
US4411906A (en) * 1981-11-25 1983-10-25 Schering Corporation (5R,6S,8R)-6-(1-Hydroxyethyl)-2-(2-fluoroethylthio)-penem-3-carboxylates
NL8204720A (nl) * 1981-12-11 1983-07-01 Erba Farmitalia Werkwijze voor het bereiden van optisch actieve penemverbindingen.
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
KR900007181B1 (ko) * 1982-07-08 1990-09-29 훽스트 유케이 리미티드 펜엠 유도체의 제조방법
EP0112283B1 (de) * 1982-11-16 1987-08-12 Ciba-Geigy Ag Heterocyclylthioverbindungen, Verfahren zu ihrer Herstellung, pharmazeutische Präparate, welche diese Verbindungen enthalten, und Verwendung von letzteren
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
EP0109362A1 (de) * 1982-11-16 1984-05-23 Ciba-Geigy Ag Heterocyclylverbindungen, Verfahren zu ihrer Herstellung, pharmazeutische Präparate, welche diese Verbindungen enthalten, und Verwendung von letzteren
US4540580A (en) * 1982-11-16 1985-09-10 Schering Corporation 2-[(1'R)-1'-Aminoalkyl]penems
US4540579A (en) * 1982-11-16 1985-09-10 Schering Corporation 2-[(R) Amino acid alkyl]penems
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 (en) * 1982-11-29 1989-12-13 Schering Corporation Process for the production of penem compounds
CA1221358A (en) * 1982-12-08 1987-05-05 Erba Farmitalia 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
EP0125207A1 (de) * 1983-05-06 1984-11-14 Ciba-Geigy Ag 2-Tetrazolylpropyl-2-penem-Verbindungen, Verfahren zu ihrer Herstellung, pharmazeutische Präparate, welche diese Verbindungen enthalten, und Verwendung von letzteren
EP0125208A1 (de) * 1983-05-06 1984-11-14 Ciba-Geigy Ag Aminoniederalkyl-penem-Verbindungen, Verfahren zu ihrer Herstellung, pharmazeutische Präparate, welche diese Verbindungen enthalten, und Verwendung von letzteren
CA1283906C (en) * 1983-05-09 1991-05-07 Makoto Sunagawa .beta.-LACTAM COMPOUNDS AND PRODUCTION THEREOF
US4595539A (en) * 1983-06-10 1986-06-17 Pfizer Inc. Preparation of penem derivatives and azetidinone intermediates
US4619783A (en) * 1983-06-10 1986-10-28 Pfizer Inc. Process and intermediates for the preparation of penem derivatives
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 (de) * 1985-04-17 1986-10-29 Ciba-Geigy Ag Heterocyclyl-penem-Verbindungen
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
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
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
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 (en) * 1992-10-27 1994-05-11 James B. Doherty New substituted azetidinones as anti-inflammatory and antidegenerative agents
US5591737A (en) * 1992-12-17 1997-01-07 Merck & Co., Inc. Substituted azetidinones as anti-inflammatory and antidegenerative agents
HUP9602872A3 (en) * 1995-02-17 1999-03-01 Daiichi Asubio Pharma Co Ltd Penem derivatives and antimicrobial agent containing the same
US5747485A (en) * 1995-04-13 1998-05-05 Merck & Co., Inc. Substituted azetidiones as anti-inflammatory and antidegenerative agents
KR20000076105A (ko) 1998-01-13 2000-12-26 도리이 신이찌로 항생제를 함유한 국소 투여용 항균 조성물
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
CA2702257C (en) 2007-10-09 2016-07-12 Sopharmia, Inc. Broad spectrum beta-lactamase inhibitors
US9975905B2 (en) 2013-03-12 2018-05-22 Gladius Pharmaceuticals Corporation Derivatized 3-styryl-cephalosporins
CN112424114B (zh) * 2018-05-07 2024-07-30 柏林自由大学 用于从含氯气体中分离、存储和运输氯气的存储介质和方法

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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
LU77306A1 (enExample) * 1977-05-09 1979-01-18
US4500457A (en) * 1977-05-09 1985-02-19 Ciba-Geigy Corporation Process for preparing thia-aza compounds with a beta-lactam ring
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 (de) * 1982-11-16 1987-08-12 Ciba-Geigy Ag Heterocyclylthioverbindungen, Verfahren zu ihrer Herstellung, pharmazeutische Präparate, welche diese Verbindungen enthalten, und Verwendung von letzteren
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
DK43279A (da) 1979-08-03
US4692442A (en) 1987-09-08
NO158679C (no) 1988-10-19
PL213133A1 (enExample) 1980-03-10
IL56557A (en) 1982-01-31
JPS62129264A (ja) 1987-06-11
US4952690A (en) 1990-08-28
JPH0314037B2 (enExample) 1991-02-25
DK160099C (da) 1991-06-24
PT69166A (de) 1979-03-01
AT362876B (de) 1981-06-25
NO158679B (no) 1988-07-11
FI790321A7 (fi) 1979-08-03
DD142342A5 (de) 1980-06-18
NZ189530A (en) 1982-02-23
EP0003960A1 (de) 1979-09-19
CS222279B2 (en) 1983-06-24
FI73219B (fi) 1987-05-29
NO790332L (no) 1979-08-03
DK160099B (da) 1991-01-28
EP0003960B1 (de) 1983-06-29
PL122371B1 (en) 1982-07-31
IE48776B1 (en) 1985-05-15
SU925252A3 (ru) 1982-04-30
AU4384379A (en) 1979-08-09
ZA79433B (en) 1980-02-27
GB2013674A (en) 1979-08-15
IL56557A0 (en) 1979-03-12
IE790191L (en) 1979-08-02
FI73219C (fi) 1987-09-10
JPH0329789B2 (enExample) 1991-04-25
ATA74579A (de) 1980-11-15
JPH045677B2 (enExample) 1992-02-03
GR72911B (enExample) 1984-01-05
EP0042026B1 (de) 1986-01-08
JPH01110668A (ja) 1989-04-27
HU182017B (en) 1983-12-28
EP0042026A1 (de) 1981-12-23
JPS54119486A (en) 1979-09-17
CA1340273C (en) 1998-12-15
AU519317B2 (en) 1981-11-26
ES477336A1 (es) 1979-07-01

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