YU43279B - Process for obtaining new benzopyran derivatives - Google Patents

Process for obtaining new benzopyran derivatives

Info

Publication number
YU43279B
YU43279B YU2101/82A YU210182A YU43279B YU 43279 B YU43279 B YU 43279B YU 2101/82 A YU2101/82 A YU 2101/82A YU 210182 A YU210182 A YU 210182A YU 43279 B YU43279 B YU 43279B
Authority
YU
Yugoslavia
Prior art keywords
alkyl
carbon atoms
hydrogen
alkylcarbonyl
cyano
Prior art date
Application number
YU2101/82A
Other languages
English (en)
Other versions
YU210182A (en
Inventor
R E Buckingham
J M Evans
K Willcocks
Original Assignee
Beecham Group Plc
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 Beecham Group Plc filed Critical Beecham Group Plc
Publication of YU210182A publication Critical patent/YU210182A/xx
Publication of YU43279B publication Critical patent/YU43279B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
    • C07D405/04—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
    • 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
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
    • C07D311/68—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4 with nitrogen atoms directly attached in position 4
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
    • C07D311/70—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4 with two hydrocarbon radicals attached in position 2 and elements other than carbon and hydrogen in position 6

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Cardiology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pyrane Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Medicinal Preparation (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Glass Compositions (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Saccharide Compounds (AREA)
YU2101/82A 1981-09-25 1982-09-22 Process for obtaining new benzopyran derivatives YU43279B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB8129064 1981-09-25
GB8206400 1982-03-04
GB8210490 1982-04-08

Publications (2)

Publication Number Publication Date
YU210182A YU210182A (en) 1984-12-31
YU43279B true YU43279B (en) 1989-06-30

Family

ID=27261315

Family Applications (4)

Application Number Title Priority Date Filing Date
YU2101/82A YU43279B (en) 1981-09-25 1982-09-22 Process for obtaining new benzopyran derivatives
YU1454/84A YU44768B (en) 1981-09-25 1984-08-24 Process for making new benzopyran derivatives
YU1452/84A YU44766B (en) 1981-09-25 1984-08-24 Process for making new benzopyran derivatives
YU1453/84A YU44767B (en) 1981-09-25 1984-08-24 Process for making new benzopyran derivatives

Family Applications After (3)

Application Number Title Priority Date Filing Date
YU1454/84A YU44768B (en) 1981-09-25 1984-08-24 Process for making new benzopyran derivatives
YU1452/84A YU44766B (en) 1981-09-25 1984-08-24 Process for making new benzopyran derivatives
YU1453/84A YU44767B (en) 1981-09-25 1984-08-24 Process for making new benzopyran derivatives

Country Status (24)

Country Link
US (1) US4446113A (xx)
EP (1) EP0076075B1 (xx)
JP (4) JPH0314573A (xx)
KR (1) KR880001943B1 (xx)
AT (1) ATE23718T1 (xx)
AU (1) AU561536B2 (xx)
CA (1) CA1174682A (xx)
DE (1) DE3274350D1 (xx)
DK (1) DK170165B1 (xx)
ES (4) ES8401061A1 (xx)
FI (1) FI73675C (xx)
GB (1) GB2107706A (xx)
GR (1) GR76732B (xx)
HK (1) HK17588A (xx)
IE (1) IE53875B1 (xx)
MX (3) MX174532B (xx)
MY (1) MY102061A (xx)
NO (4) NO159597C (xx)
NZ (1) NZ201984A (xx)
PH (1) PH18691A (xx)
PL (4) PL141133B1 (xx)
PT (1) PT75598B (xx)
SG (1) SG98587G (xx)
YU (4) YU43279B (xx)

Families Citing this family (85)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ183551A (en) * 1976-04-02 1978-09-20 Beecham Group Ltd Aminochromanols and pharmaceutical compositions containingthem
EP0091748B1 (en) * 1982-04-08 1986-06-18 Beecham Group Plc Antihypertensive benzopyranols
EP0093534A1 (en) * 1982-04-28 1983-11-09 Beecham Group Plc Novel chromanols
DE3368629D1 (en) * 1982-04-28 1987-02-05 Beecham Group Plc Novel chromenes and chromans
DE3368057D1 (en) * 1982-05-21 1987-01-15 Beecham Group Plc Pharmaceutically active aminobenzopyrans
EP0107423B1 (en) * 1982-10-19 1986-07-23 Beecham Group Plc Novel chromans and chromenes
GB8308064D0 (en) * 1983-03-24 1983-05-05 Beecham Group Plc Active compounds
GB8308063D0 (en) * 1983-03-24 1983-05-05 Beecham Group Plc Active compounds
GB8308062D0 (en) * 1983-03-24 1983-05-05 Beecham Group Plc Active compounds
EP0126311B1 (en) * 1983-05-18 1989-09-13 Beecham Group Plc Benzopyran derivatives.
DE3486354T2 (de) * 1983-05-18 1995-03-30 Beecham Group Plc Chroman- und Chromenderivate.
GB8313679D0 (en) * 1983-05-18 1983-06-22 Beecham Group Plc Active compounds
WO1985000602A1 (en) * 1983-07-27 1985-02-14 Beecham Group P.L.C. Di/tetra-hydroquinolines
DE3475786D1 (de) * 1983-09-01 1989-02-02 Beecham Group Plc Chromanol derivatives
DE3477779D1 (en) * 1983-10-13 1989-05-24 Beecham Group Plc Chroman derivatives
GB8409745D0 (en) * 1984-04-14 1984-05-23 Beecham Group Plc Active compounds
GB8413191D0 (en) * 1984-05-23 1984-06-27 Beecham Group Plc Pharmaceutical composition
ATE56007T1 (de) * 1984-06-22 1990-09-15 Beecham Group Plc Wirksame benzopyranverbindungen.
GB8419515D0 (en) * 1984-07-31 1984-09-05 Beecham Group Plc Treatment
GB8419516D0 (en) * 1984-07-31 1984-09-05 Beecham Group Plc Treatment
GB8513369D0 (en) * 1985-05-28 1985-07-03 Beecham Group Plc Treatment
DE3682331D1 (de) 1985-06-08 1991-12-12 Beecham Group Plc Pyrano(3,2-c)pyridinderivate, verfahren und zwischenprodukte zu ihrer herstellung und diese enthaltende pharmazeutische zubereitungen.
DE3669317D1 (de) * 1985-09-11 1990-04-12 Beecham Group Plc Chromanderivate und aehnliche verbindungen mit blutdrucksenkender wirkung.
PT84806B (pt) * 1986-05-03 1989-12-29 Beecham Group Plc Processo para a preparacao de benzopiranos
JPH07110806B2 (ja) * 1986-08-08 1995-11-29 ジ・アップジョン・カンパニー 脱毛症を治療するための組成物
US4801605A (en) * 1986-08-29 1989-01-31 Ciba-Geigy Corporation 3-amino-dihydro-[1]-benzopyrans and benzothiopyrans
GB8625185D0 (en) * 1986-10-21 1986-11-26 Beecham Group Plc Active compounds
DE3726261A1 (de) * 1986-12-23 1988-07-07 Merck Patent Gmbh Chromanderivate
DE3881714D1 (de) * 1987-02-04 1993-07-22 Hoechst Ag Alkylsubstituierte n-benzopyranyllactame, verfahren zu ihrer herstellung, ihre verwendung sowie pharmazeutische praeparate auf basis dieser verbindungen.
DE3703227A1 (de) * 1987-02-04 1988-08-18 Hoechst Ag Substituierte 3,4-dihydro-2h-benzopyrane, verfahren zu ihrer herstellung, ihre verwendung sowie pharmazeutische praeparate auf basis dieser verbindungen
US5284838A (en) * 1987-06-23 1994-02-08 Elf Sanofi Use of 2,2-dimethylchroman-3-ol derivatives in the treatment of asthma
FI90343C (fi) * 1987-06-23 1994-01-25 Merck Patent Gmbh Menetelmä korkeaa verenpainetta alentavien ja rytmihäiriöitä vastustavien trans-2,2-dimetyylikroman-3-olijohdannaisten valmistamiseksi
FR2625744B1 (fr) * 1988-01-12 1990-07-06 Sanofi Sa Derives du dimethyl-2,2 chromannol-3 procede d'obtention et compositions pharmaceutiques en contenant
FR2628424B1 (fr) * 1988-03-09 1990-12-28 Sanofi Sa Derives du dimethyl-2,2 chromannol-3 procede d'obtention et compositions pharmaceutiques en contenant
FR2617165B1 (fr) * 1987-06-23 1989-12-15 Sanofi Sa Derives du dimethyl-2, 2 chromannol-3
US4971982A (en) * 1987-07-06 1990-11-20 Hoffmann-La Roche Inc. Benzopyran derivatives
FR2621587B1 (fr) * 1987-10-12 1990-02-09 Sanofi Sa Derives du dimethyl-2,2 chromene, procede pour leur preparation et composition pharmaceutiques les contenant
IL88035A0 (en) * 1987-10-27 1989-06-30 American Home Prod Benzopyran derivatives,their preparation and pharmaceutical compositions containing them
GB8800199D0 (en) * 1988-01-06 1988-02-10 Beecham Group Plc Pharmaceutical preparation
DE3811017A1 (de) * 1988-03-31 1989-10-19 Hoechst Ag Ungesaettigte n-benzopyranyllactame
US5021432A (en) * 1988-04-26 1991-06-04 Yoshitomi Pharmaceutical Industries, Ltd. Benzopyran compound and its pharmaceutical use
AU628331B2 (en) * 1988-05-06 1992-09-17 Merck Patent Gesellschaft Mit Beschrankter Haftung Chroman derivatives
WO1989010757A1 (en) * 1988-05-10 1989-11-16 Leo Pharmaceutical Products Ltd. A/S (Løvens Kemis New ophthalmic preparation for treating glaucoma
DE3818245A1 (de) * 1988-05-28 1989-12-07 Hoechst Ag Kombination von angiotensin-converting-enzyme-hemmern mit kaliumkanal-modulatoren sowie deren verwendung in arzneimitteln
US4988723A (en) * 1988-06-02 1991-01-29 Fujisawa Pharmaceutical Co., Ltd. Benzopyran derivatives and their use as anti-hypertensives
EP0346724A1 (de) * 1988-06-16 1989-12-20 MERCK PATENT GmbH Chromanderivate
DE3823533A1 (de) * 1988-07-12 1990-02-08 Beiersdorf Ag Substituierte 4-heterocyclyl-2h-benzo(b)pyrane, verfahren und 4-hydroxy-3-brom-, 3,4-oxiranyl-3,4-dehydro-2h-benzo(b)pyrane als zwischenprodukte zu ihrer herstellung, sowie sie enthaltende pharmazeutsche praeparate
DE3827532A1 (de) * 1988-08-13 1990-03-01 Hoechst Ag 6-aroyl-substituierte 3,4-dihydro-2h-benzopyrane, verfahren zu ihrer herstellung, ihre verwendung sowie pharmazeutische praeparate auf basis dieser verbindungen
US5194442A (en) * 1988-09-17 1993-03-16 Hoechst Aktiengesellschaft 2,3,4,5-tetrahydro-1-benzoxepins, the use thereof and pharmaceutical products based on these compounds
US4992465A (en) * 1988-09-27 1991-02-12 Ciba-Geigy Corporation 3-amino-dihydro-(1)-benzopyrans
DE3837809A1 (de) * 1988-11-08 1990-05-10 Merck Patent Gmbh Tetralinderivate
FR2639227A1 (fr) * 1988-11-23 1990-05-25 Sanofi Sa Utilisation de derives du chromane pour le traitement des etats depressifs
DE68921972T2 (de) * 1988-12-13 1995-11-16 Beecham Group Plc Benzopyran und verwandte Verbindungen.
DE3901720A1 (de) * 1989-01-21 1990-07-26 Hoechst Ag Substituierte benzo(b)pyrane, verfahren zu ihrer herstellung, ihre verwendung sowie pharmazeutische praeparate auf basis dieser verbindungen
GB8902118D0 (en) * 1989-02-01 1989-03-22 Beecham Group Plc Chemical process
US5239090A (en) * 1989-02-01 1993-08-24 Beecham Group P.L.C. Certain optically active 3,4-dihydrobenzopyran-4-ols which are intermediates
US5066816A (en) * 1989-03-03 1991-11-19 Yoshitomi Pharmaceutical Industries, Ltd. Processes for preparing optically active 3,4-dihydro-3,4-epoxy-2h-1-benzopyran compounds and intermediates therefor
US5162553A (en) * 1989-03-03 1992-11-10 Yoshitomi Pharmaceutical Industries, Ltd. Processes for preparing optically active 3,4-dihydro-3,4-epoxy-2H-1-benzopyran compounds and intermediates therefor
DE3918041A1 (de) * 1989-06-02 1990-12-06 Merck Patent Gmbh Chromanderivate
IE63935B1 (en) * 1989-06-27 1995-06-28 Chem Pharm Forsch Gmbh Novel thienopyran derivatives a process for their preparation and their use
DE3922392A1 (de) 1989-07-07 1991-01-17 Merck Patent Gmbh Chromanderivate
DE3923839A1 (de) * 1989-07-19 1991-01-31 Beiersdorf Ag Benzopyran-derivate, verfahren zu ihrer herstellung und ihre verwendung sowie die verbindungen enthaltende zubereitungen
HU207861B (en) * 1989-07-21 1993-06-28 Alkaloida Vegyeszeti Gyar Process for producing benzopirane derivative of blood pressure lowering activity
US5223629A (en) * 1989-07-21 1993-06-29 Alkaloida Vegyeszeti Gyar Process for the preparation of anti-hypertensive benzopyran
DE3926001A1 (de) * 1989-08-05 1991-02-07 Merck Patent Gmbh Chromanderivate
US5254555A (en) * 1989-10-30 1993-10-19 Beecham Group P.L.C. Amino pyrimidin-7-yl substituted benzopyrans for treatment of hypertension
GB8924373D0 (en) * 1989-10-30 1989-12-20 Beecham Group Plc Novel compounds
TW224941B (xx) * 1989-11-08 1994-06-11 Yamanouchi Pharma Co Ltd
EP0430621A3 (en) * 1989-11-29 1992-03-04 Beecham Group P.L.C. Process for the preparation of chiral 3,4-epoxy benzopyrans
HU222726B1 (hu) * 1990-02-06 2003-09-29 Pfizer, Inc., Piperidinszármazékok, eljárás elżállításukra és az ezeket tartalmazó gyógyszerkészítmények
US5273998A (en) * 1990-05-11 1993-12-28 Yoshitomi Pharmaceutical Industries, Ltd. Process for making an optically active 3,4-dihydro-3,4-epoxy-2H-1-benzopyran compound
US5276168A (en) * 1990-06-18 1994-01-04 E. R. Squibb & Sons, Inc. Benzopyran derivatives and heterocyclic analogs thereof as antiischemic agents
CN1060467A (zh) * 1990-09-25 1992-04-22 武田药品工业株式会社 1，3-苯并嗪衍生物、其生产方法和用途
CA2061179A1 (en) * 1991-02-18 1992-08-19 Ryuji Tsuzuki Oxzazinobenzazole compounds
SK65794A3 (en) * 1991-12-05 1995-02-08 Smithkline Beecham Plc Pharmaceutical mixture, method of its preparing and using
FR2698873B1 (fr) 1992-12-07 1995-02-24 Lipha Benzocycloheptènes, benzoxépines et benzothiépines activateurs des canaux potassiques, procédé de préparation, composition pharmaceutique les contenant.
US5436255A (en) * 1992-07-23 1995-07-25 Pfizer Inc. Method of treating diseases susceptable to treatment by blocking NMDA-receptors
HUT72741A (en) * 1992-12-19 1996-05-28 Alkaloida Vegyeszeti Gyar Method for producing benzopyrane derivatives and pharmaceutical compositions containing them
US5416097A (en) * 1993-05-19 1995-05-16 Berlex Laboratories, Inc. Potassium channel activators/openers
ATE183184T1 (de) * 1994-01-31 1999-08-15 Pfizer Neuroprotektive chroman verbindungen
US5869478A (en) * 1995-06-07 1999-02-09 Bristol-Myers Squibb Company Sulfonamido substituted benzopyran derivatives
US5629429A (en) * 1995-06-07 1997-05-13 Bristol-Myers Squibb Company Process for preparing 4-arylamino-benzopyran and related compounds
US5612370A (en) * 1995-06-07 1997-03-18 Bristol-Myers Squibb Company Phenylglycine and phenylalaninen amido benzopyran derivatives
US5612323A (en) * 1995-06-07 1997-03-18 Bristol-Myers Squibb Company Phosphinic ester substituted benzopyran derivatives
AU4841700A (en) 1999-05-12 2000-11-21 Nitromed, Inc. Nitrosated and nitrosylated potassium channel activators, compositions and methods of use

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1495526A (en) * 1974-05-31 1977-12-21 Beecham Group Ltd Chroman derivatives
GB1548221A (en) * 1976-01-27 1979-07-04 Beecham Group Ltd Trans-4-heterocycyl-3,4-dihydro-2h-benzo pyran-3-ol esters
NZ183551A (en) * 1976-04-02 1978-09-20 Beecham Group Ltd Aminochromanols and pharmaceutical compositions containingthem
GB1511187A (en) * 1976-04-02 1978-05-17 Beecham Group Ltd Chromans
GB1548222A (en) * 1976-12-17 1979-07-04 Beecham Group Ltd Trans-4-heterocyclyl-3,4-dihydro-2h-benzo pyarn-3-ol derivatives
EP0009912B1 (en) * 1978-10-04 1983-06-22 Beecham Group Plc Chromanol derivatives, a process for their preparation and pharmaceutical compositions comprising them
EP0028449B1 (en) * 1979-09-28 1983-07-20 Beecham Group Plc Chromanol derivatives, a process for their preparation and a pharmaceutical composition comprising them
ZM7682A1 (en) * 1981-09-25 1983-05-23 Beecham Group Plc Active compounds
EP0093534A1 (en) * 1982-04-28 1983-11-09 Beecham Group Plc Novel chromanols

Also Published As

Publication number Publication date
FI823272L (fi) 1983-03-26
EP0076075A1 (en) 1983-04-06
PL141133B1 (en) 1987-06-30
PL247746A1 (en) 1985-01-30
NZ201984A (en) 1986-04-11
JPH05310729A (ja) 1993-11-22
YU145484A (en) 1986-06-30
DE3274350D1 (en) 1987-01-08
FI73675B (fi) 1987-07-31
PL238342A1 (en) 1985-01-16
YU44768B (en) 1991-02-28
PT75598A (en) 1982-10-01
YU210182A (en) 1984-12-31
PL247747A1 (en) 1985-04-24
FI73675C (fi) 1987-11-09
ES515921A0 (es) 1983-11-16
ES8500268A1 (es) 1984-10-01
YU44766B (en) 1991-02-28
KR880001943B1 (ko) 1988-10-04
JPH05394B2 (xx) 1993-01-05
NO159597C (no) 1989-01-18
PL141099B1 (en) 1987-06-30
JPH05301866A (ja) 1993-11-16
MY102061A (en) 1992-03-31
ES522937A0 (es) 1984-09-16
YU44767B (en) 1991-02-28
GB2107706A (en) 1983-05-05
YU145384A (en) 1986-06-30
NO834133L (no) 1983-03-28
ES8407490A1 (es) 1984-09-16
PT75598B (en) 1984-12-10
AU8867582A (en) 1983-03-31
EP0076075B1 (en) 1986-11-20
JP2504707B2 (ja) 1996-06-05
US4446113A (en) 1984-05-01
ATE23718T1 (de) 1986-12-15
ES8401061A1 (es) 1983-11-16
PL141134B1 (en) 1987-06-30
NO823247L (no) 1983-03-28
NO834135L (no) 1983-03-28
NO834134L (no) 1983-03-28
SG98587G (en) 1988-07-15
MX174531B (es) 1994-05-24
ES522939A0 (es) 1984-10-01
YU145284A (en) 1986-06-30
GR76732B (xx) 1984-08-30
JPH0314573A (ja) 1991-01-23
MX174532B (es) 1994-05-24
PL141135B1 (en) 1987-06-30
NO159597B (no) 1988-10-10
KR840001572A (ko) 1984-05-07
FI823272A0 (fi) 1982-09-23
PH18691A (en) 1985-09-05
DK424582A (da) 1983-03-26
AU561536B2 (en) 1987-05-14
IE53875B1 (en) 1989-03-29
US4446113B1 (xx) 1985-12-10
MX174533B (es) 1994-05-24
DK170165B1 (da) 1995-06-06
JP2504708B2 (ja) 1996-06-05
ES522938A0 (es) 1984-09-16
JPH0780875B2 (ja) 1995-08-30
JPH05202034A (ja) 1993-08-10
PL247748A1 (en) 1985-04-24
ES8407491A1 (es) 1984-09-16
HK17588A (en) 1988-03-11
CA1174682A (en) 1984-09-18
IE822313L (en) 1983-03-25

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