ES551564A0 - Un procedimiento para la preparacion de nuevas 1,4-dihidropiridinas - Google Patents

Un procedimiento para la preparacion de nuevas 1,4-dihidropiridinas

Info

Publication number
ES551564A0
ES551564A0 ES551564A ES551564A ES551564A0 ES 551564 A0 ES551564 A0 ES 551564A0 ES 551564 A ES551564 A ES 551564A ES 551564 A ES551564 A ES 551564A ES 551564 A0 ES551564 A0 ES 551564A0
Authority
ES
Spain
Prior art keywords
dihydropyridines
procedure
preparation
new
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.)
Granted
Application number
ES551564A
Other languages
English (en)
Other versions
ES8800928A1 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bristol Myers Co
Original Assignee
Bristol Myers Co
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 Bristol Myers Co filed Critical Bristol Myers Co
Publication of ES8800928A1 publication Critical patent/ES8800928A1/es
Publication of ES551564A0 publication Critical patent/ES551564A0/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/62—Oxygen or sulfur atoms
    • C07D213/70—Sulfur atoms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P3/00—Drugs for disorders of the metabolism
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P7/00—Drugs for disorders of the blood or the extracellular fluid
    • A61P7/02—Antithrombotic agents; Anticoagulants; Platelet aggregation inhibitors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00—Drugs for disorders of the cardiovascular system
    • A61P9/08—Vasodilators for multiple indications
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00—Drugs for disorders of the cardiovascular system
    • A61P9/10—Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00—Drugs for disorders of the cardiovascular system
    • A61P9/12—Antihypertensives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
    • C07C205/49—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by carboxyl groups
    • C07C205/56—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by carboxyl groups having nitro groups bound to carbon atoms of six-membered aromatic rings and carboxyl groups bound to acyclic carbon atoms of the carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
    • C07D209/04—Indoles; Hydrogenated indoles
    • C07D209/10—Indoles; Hydrogenated indoles with substituted hydrocarbon radicals attached to carbon atoms of the hetero ring
    • C07D209/18—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
    • C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D211/80—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members
    • C07D211/84—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen directly attached to ring carbon atoms
    • C07D211/90—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/24—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
    • C07D213/54—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D213/55—Acids; Esters
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D271/00—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms
    • C07D271/12—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms condensed with carbocyclic rings or ring systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D285/00—Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
    • C07D285/01—Five-membered rings
    • C07D285/02—Thiadiazoles; Hydrogenated thiadiazoles
    • C07D285/14—Thiadiazoles; Hydrogenated thiadiazoles condensed with carbocyclic rings or ring systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
    • C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
    • C07D295/08—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms
    • C07D295/084—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings
    • C07D295/088—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings to an acyclic saturated chain
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D307/38—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms
    • C07D307/54—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
    • C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
    • C07D333/06—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
    • C07D333/24—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
    • C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
    • C07D401/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links
ES551564A 1984-04-11 1986-02-01 Un procedimiento para la preparacion de nuevas 1,4-dihidropiridinas Expired ES8800928A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US59909784A 1984-04-11 1984-04-11
US06/693,426 US4755512A (en) 1984-04-11 1985-01-22 Pharmaceutically useful dihydropyridinyldicarboxylate amides and esters incorporating arylpiperazinylalkyl moities

Publications (2)

Publication Number Publication Date
ES8800928A1 ES8800928A1 (es) 1987-12-01
ES551564A0 true ES551564A0 (es) 1987-12-01

Family

ID=27083238

Family Applications (2)

Application Number Title Priority Date Filing Date
ES542120A Expired ES8607283A1 (es) 1984-04-11 1985-04-10 Un procedimiento para la preparacion de 1,4-dihidropiridinas.
ES551564A Expired ES8800928A1 (es) 1984-04-11 1986-02-01 Un procedimiento para la preparacion de nuevas 1,4-dihidropiridinas

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES542120A Expired ES8607283A1 (es) 1984-04-11 1985-04-10 Un procedimiento para la preparacion de 1,4-dihidropiridinas.

Country Status (20)

Country Link
US (1) US4755512A (es)
JP (1) JPS6117562A (es)
KR (1) KR920005742B1 (es)
AU (1) AU587182B2 (es)
BE (1) BE902154A (es)
CA (1) CA1320204C (es)
CH (1) CH664757A5 (es)
DE (1) DE3512995A1 (es)
DK (1) DK164594C (es)
ES (2) ES8607283A1 (es)
FI (1) FI84063C (es)
FR (1) FR2562892B1 (es)
GB (1) GB2158065B (es)
GR (1) GR850924B (es)
IE (1) IE58410B1 (es)
IT (1) IT1206730B (es)
LU (1) LU85847A1 (es)
NL (1) NL8501046A (es)
PT (1) PT80272B (es)
SE (1) SE465220B (es)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3377352D1 (en) * 1982-06-03 1988-08-18 Pierrel Spa Dihydropyridines with an antagonistic activity to calcium, process for their preparation, and pharmaceutical compositions containing them
EP0145956A1 (de) * 1983-11-16 1985-06-26 Ciba-Geigy Ag Neue Amid-Verbindungen
NZ220022A (en) * 1986-04-22 1990-04-26 Byk Gulden Lomberg Chem Fab 1,4-dihydropyridine derivatives and pharmaceutical compositions
US4868181A (en) * 1986-08-04 1989-09-19 E. I. Du Pont De Nemours And Company 1,4-dihydropyridine derivatives with calcium agonist and alpha1 -antagonist activity
JPH0725750B2 (ja) * 1987-12-18 1995-03-22 富士レビオ株式会社 １，４‐ジヒドロピリジン誘導体
JPH02149563A (ja) * 1988-11-30 1990-06-08 Nisshin Flour Milling Co Ltd ２−ハロエトキシカルボニル基を含有する１，４−ジヒドロピリジン誘導体の製造法
US5286869A (en) * 1988-12-15 1994-02-15 Fujirebio Kabushiki Kaisha 1,4-dihydropyridine derivatives
WO1990009377A1 (en) * 1989-02-17 1990-08-23 Institut Organicheskogo Sinteza Akademii Nauk Latviiskoi Ssr Alcaline salts of 2-(2,6-dimethyl-3,5-diethoxycarbonyl-1,4-dihydropyridine-4-carboxamido) ethane sulphonic acid and method of obtaining them
EP0461264A4 (en) * 1989-12-29 1992-02-19 Kaken Pharmaceutical Co., Ltd. Ethynylphenyl derivative, production thereof, and remedy for diseases of circulatory organs containing the same as active ingredient
WO1992006087A1 (fr) * 1990-10-02 1992-04-16 Kaken Pharmaceutical Co., Ltd. Derive d'ethynylphenyle a substitution pyridazinone et medicament contre les affections des organes circulatoires contenant ce derive en tant qu'ingredient actif
WO1993009774A1 (en) * 1991-11-18 1993-05-27 G.D. Searle & Co. 2-(4-substituted)phenylmethylene derivatives and methods of use
US6211198B1 (en) 1993-04-05 2001-04-03 Synaptic Pharmaceutical Corporation Dihydropyridines and new uses thereof
IL109220A0 (en) * 1993-04-05 1994-07-31 Synaptic Pharma Corp Dihydropyridines and new uses thereof
US5767131A (en) * 1993-04-05 1998-06-16 Synaptic Pharmaceutical Corporation Dihydropyridines and new uses thereof
US5700801A (en) * 1994-12-23 1997-12-23 Karl Thomae, Gmbh Piperazine derivatives, pharmaceutical compositions containing these compounds, their use and processes for preparing them
US5635503A (en) * 1995-06-07 1997-06-03 Bristol-Myers Squibb Company Dihydropyridine npy antagonists: piperazine derivatives
WO1997028152A1 (fr) * 1996-01-29 1997-08-07 Nikken Chemicals Co., Ltd. Composes de dihydropyridine et composition medicinale les comprenant
US6566359B1 (en) 2002-05-20 2003-05-20 Board Of Supervisors Of Louisiana State University And Agricultural And Mechanical College 2,4,6-trimethyl-1,4-dihydro-pyridine-3,5-dicarboxylic acid esters as neuroprotective drugs
CN101215258A (zh) * 2008-01-21 2008-07-09 中国药科大学 二氢吡啶类钙拮抗剂化合物及其制备方法与医药用途
CN102557957A (zh) * 2010-12-20 2012-07-11 四川科伦药物研究有限公司 一种2-(3-硝基苯亚甲基)乙酰乙酸异丙酯的制备方法
CN102491902A (zh) * 2011-11-30 2012-06-13 青岛黄海制药有限责任公司 一种2-(3-硝基亚苄基)乙酰乙酸异丙酯的制备方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1670827C3 (de) * 1967-03-20 1974-10-24 Bayer Ag, 5090 Leverkusen 4-(2'-Nitrophenyl)-2,6-dimethyl-3,5-dicarbmethoxy-1,4-dihydropyridin
GB1345449A (en) * 1971-05-14 1974-01-30 Science Union & Cie Pyridylpiperazines and process for their preparation
US3974275A (en) * 1972-04-18 1976-08-10 Bayer Aktiengesellschaft 1,4-Dihydropyridine carboxylic acid esters useful as coronary vessel dilators and anti-hypertensives
DE2218644C3 (de) * 1972-04-18 1982-08-19 Bayer Ag, 5090 Leverkusen Basische Ester von 1,4-Dihydropyridinen, Verfahren zu ihrer Herstellung sowie ihre Verwendung als Arzneimittel
US3996234A (en) * 1972-04-18 1976-12-07 Bayer Aktiengesellschaft 1,4-Dihydropyridine carboxylic acid esters
US4307103A (en) * 1978-09-08 1981-12-22 Fujisawa Pharmaceutical Co., Ltd. Dihydropyridine derivative, processes for preparation thereof and pharmaceutical composition comprising the same
CS228917B2 (en) * 1981-03-14 1984-05-14 Pfizer Method of preparing substituted derivatives of 1,4-dihydropyridine
JPS57171968A (en) * 1981-04-17 1982-10-22 Kyowa Hakko Kogyo Co Ltd 1,4-dihydropyridine derivative
WO1983003249A1 (en) * 1982-03-17 1983-09-29 Yoshitomi Pharmaceutical 1,4-dihydropyridine-3,5-dicarboxylate derivatives
EP0094159B1 (en) * 1982-05-10 1990-03-14 Takeda Chemical Industries, Ltd. Dihydropyridine derivatives, their production and use
JPS58201765A (ja) * 1982-05-10 1983-11-24 Takeda Chem Ind Ltd ジヒドロピリジン誘導体，その製造法および用途
DE3377352D1 (en) * 1982-06-03 1988-08-18 Pierrel Spa Dihydropyridines with an antagonistic activity to calcium, process for their preparation, and pharmaceutical compositions containing them
IT1198377B (it) * 1982-06-03 1988-12-21 Pierrel Spa Esteri basici ad attivita' calcioanatagonista,procedimenti per la loro preparazione e relative composizioni farmaceutiche
WO1985000169A1 (en) * 1983-06-21 1985-01-17 Sandoz Ag 1,4-dihydropyridine derivatives, production thereof and pharmaceutical preparations containing them

Also Published As

Publication number Publication date
SE465220B (sv) 1991-08-12
ES8607283A1 (es) 1986-06-16
FR2562892B1 (fr) 1989-06-16
GB8509250D0 (en) 1985-05-15
FI851404L (fi) 1985-10-12
DE3512995A1 (de) 1985-10-17
DK164594B (da) 1992-07-20
JPS6339588B2 (es) 1988-08-05
ES8800928A1 (es) 1987-12-01
NL8501046A (nl) 1985-11-01
FI84063B (fi) 1991-06-28
FI851404A0 (fi) 1985-04-09
GB2158065A (en) 1985-11-06
IE58410B1 (en) 1993-09-22
AU587182B2 (en) 1989-08-10
IT1206730B (it) 1989-05-03
SE8501767D0 (sv) 1985-04-10
SE8501767L (sv) 1985-11-20
FI84063C (fi) 1991-10-10
DK164594C (da) 1992-12-07
JPS6117562A (ja) 1986-01-25
FR2562892A1 (fr) 1985-10-18
CA1320204C (en) 1993-07-13
IE850898L (en) 1985-10-11
IT8520276A0 (it) 1985-04-09
CH664757A5 (de) 1988-03-31
ES542120A0 (es) 1986-06-16
DK162485A (da) 1985-10-12
GR850924B (es) 1985-11-25
KR850007255A (ko) 1985-12-02
BE902154A (fr) 1985-10-10
DK162485D0 (da) 1985-04-10
KR920005742B1 (ko) 1992-07-18
GB2158065B (en) 1988-05-25
PT80272B (pt) 1987-10-20
US4755512A (en) 1988-07-05
PT80272A (en) 1985-05-01
AU4094985A (en) 1985-10-17
LU85847A1 (fr) 1985-12-16

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970519