PL112442B1 - Process for preparing novel ethers of hydroxy-benzodiheterocyclic compounds - Google Patents

Process for preparing novel ethers of hydroxy-benzodiheterocyclic compounds Download PDF

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Publication number
PL112442B1
PL112442B1 PL1977214710A PL21471077A PL112442B1 PL 112442 B1 PL112442 B1 PL 112442B1 PL 1977214710 A PL1977214710 A PL 1977214710A PL 21471077 A PL21471077 A PL 21471077A PL 112442 B1 PL112442 B1 PL 112442B1
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Poland
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group
acid
compounds
hydroxy
tert
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PL1977214710A
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English (en)
Polish (pl)
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D263/00Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings
    • C07D263/52Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings condensed with carbocyclic rings or ring systems
    • C07D263/54Benzoxazoles; Hydrogenated benzoxazoles
    • C07D263/58Benzoxazoles; Hydrogenated benzoxazoles 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 in position 2
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00Drugs for disorders of the cardiovascular system
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00Drugs for disorders of the cardiovascular system
    • A61P9/06Antiarrhythmics
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00Drugs for disorders of the cardiovascular system
    • A61P9/08Vasodilators for multiple indications
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00Drugs for disorders of the cardiovascular system
    • A61P9/10Drugs 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00Drugs for disorders of the cardiovascular system
    • A61P9/12Antihypertensives
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D235/00Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
    • C07D235/02Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
    • C07D235/04Benzimidazoles; Hydrogenated benzimidazoles
    • C07D235/24Benzimidazoles; Hydrogenated benzimidazoles 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 in position 2
    • C07D235/26Oxygen atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D239/00Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
    • C07D239/70Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings condensed with carbocyclic rings or ring systems
    • C07D239/72Quinazolines; Hydrogenated quinazolines
    • C07D239/78Quinazolines; Hydrogenated quinazolines with hetero atoms directly attached in position 2
    • C07D239/80Oxygen atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D239/00Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
    • C07D239/70Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings condensed with carbocyclic rings or ring systems
    • C07D239/72Quinazolines; Hydrogenated quinazolines
    • C07D239/95Quinazolines; Hydrogenated quinazolines with hetero atoms directly attached in positions 2 and 4
    • C07D239/96Two oxygen atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D241/00Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
    • C07D241/36Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems
    • C07D241/38Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems with only hydrogen or carbon atoms directly attached to the ring nitrogen atoms
    • C07D241/40Benzopyrazines
    • C07D241/44Benzopyrazines 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 carbon atoms of the hetero ring
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D265/00Heterocyclic compounds containing six-membered rings having one nitrogen atom and one oxygen atom as the only ring hetero atoms
    • C07D265/041,3-Oxazines; Hydrogenated 1,3-oxazines
    • C07D265/121,3-Oxazines; Hydrogenated 1,3-oxazines condensed with carbocyclic rings or ring systems
    • C07D265/141,3-Oxazines; Hydrogenated 1,3-oxazines condensed with carbocyclic rings or ring systems condensed with one six-membered ring
    • C07D265/181,3-Oxazines; Hydrogenated 1,3-oxazines condensed with carbocyclic rings or ring systems condensed with one six-membered ring with hetero atoms directly attached in position 2
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D265/00Heterocyclic compounds containing six-membered rings having one nitrogen atom and one oxygen atom as the only ring hetero atoms
    • C07D265/281,4-Oxazines; Hydrogenated 1,4-oxazines
    • C07D265/341,4-Oxazines; Hydrogenated 1,4-oxazines condensed with carbocyclic rings
    • C07D265/361,4-Oxazines; Hydrogenated 1,4-oxazines condensed with carbocyclic rings condensed with one six-membered ring
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D285/00Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
    • C07D285/01Five-membered rings
    • C07D285/02Thiadiazoles; Hydrogenated thiadiazoles
    • C07D285/04Thiadiazoles; Hydrogenated thiadiazoles not condensed with other rings
    • C07D285/101,2,5-Thiadiazoles; Hydrogenated 1,2,5-thiadiazoles
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D303/00Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
    • C07D303/02Compounds containing oxirane rings
    • C07D303/12Compounds containing oxirane rings with hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms
    • C07D303/18Compounds containing oxirane rings with hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms by etherified hydroxyl radicals
    • C07D303/20Ethers with hydroxy compounds containing no oxirane rings
    • C07D303/22Ethers with hydroxy compounds containing no oxirane rings with monohydroxy compounds
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D303/00Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
    • C07D303/02Compounds containing oxirane rings
    • C07D303/12Compounds containing oxirane rings with hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms
    • C07D303/18Compounds containing oxirane rings with hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms by etherified hydroxyl radicals
    • C07D303/20Ethers with hydroxy compounds containing no oxirane rings
    • C07D303/24Ethers with hydroxy compounds containing no oxirane rings with polyhydroxy compounds
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D309/00Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
    • C07D309/02Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
    • C07D309/08Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having no 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, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D309/10Oxygen atoms
    • C07D309/12Oxygen atoms only hydrogen atoms and one oxygen atom directly attached to ring carbon atoms, e.g. tetrahydropyranyl ethers

Landscapes

  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Public Health (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Cardiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Urology & Nephrology (AREA)
  • Vascular Medicine (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Steroid Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
PL1977214710A 1976-01-08 1977-01-06 Process for preparing novel ethers of hydroxy-benzodiheterocyclic compounds PL112442B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH16176A CH624395A5 (enExample) 1976-01-08 1976-01-08

Publications (1)

Publication Number Publication Date
PL112442B1 true PL112442B1 (en) 1980-10-31

Family

ID=4180641

Family Applications (4)

Application Number Title Priority Date Filing Date
PL1977214710A PL112442B1 (en) 1976-01-08 1977-01-06 Process for preparing novel ethers of hydroxy-benzodiheterocyclic compounds
PL1977214709A PL112441B1 (en) 1976-01-08 1977-01-06 Process for preparing novel ethers of hydroxy-benzodiheterocyclic compounds
PL1977195154A PL110654B1 (en) 1976-01-08 1977-01-06 Method of producing new ethers of hydroxy-benzodiheterocyclic compounds
PL1977214708A PL112491B1 (en) 1976-01-08 1977-01-06 Process for preparing novel ethers of hydroxy-benzodiheterocyclic compounds

Family Applications After (3)

Application Number Title Priority Date Filing Date
PL1977214709A PL112441B1 (en) 1976-01-08 1977-01-06 Process for preparing novel ethers of hydroxy-benzodiheterocyclic compounds
PL1977195154A PL110654B1 (en) 1976-01-08 1977-01-06 Method of producing new ethers of hydroxy-benzodiheterocyclic compounds
PL1977214708A PL112491B1 (en) 1976-01-08 1977-01-06 Process for preparing novel ethers of hydroxy-benzodiheterocyclic compounds

Country Status (26)

Country Link
US (2) US4140789A (enExample)
JP (1) JPS5285166A (enExample)
AR (4) AR214869A1 (enExample)
AT (1) AT355564B (enExample)
AU (1) AU507884B2 (enExample)
BE (1) BE850166A (enExample)
CA (1) CA1083150A (enExample)
CH (1) CH624395A5 (enExample)
CS (1) CS201040B2 (enExample)
DD (1) DD129444A5 (enExample)
DE (1) DE2700193A1 (enExample)
DK (1) DK6177A (enExample)
ES (1) ES454779A1 (enExample)
FI (1) FI770036A7 (enExample)
FR (1) FR2337718A1 (enExample)
GB (1) GB1549945A (enExample)
GR (1) GR73132B (enExample)
IE (1) IE44246B1 (enExample)
IL (1) IL51222A (enExample)
NL (1) NL7700141A (enExample)
NO (1) NO770061L (enExample)
NZ (1) NZ182963A (enExample)
PL (4) PL112442B1 (enExample)
SE (1) SE7700056L (enExample)
SU (4) SU648091A3 (enExample)
ZA (1) ZA7787B (enExample)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH624395A5 (enExample) * 1976-01-08 1981-07-31 Ciba Geigy Ag
DE2644833A1 (de) * 1976-10-05 1978-04-20 Boehringer Sohn Ingelheim Neue 1-aryloxy-2-hydroxy-3-alkylenaminopropane und verfahren zu ihrer herstellung
NZ187066A (en) * 1977-05-03 1981-02-11 Hoffmann La Roche 4-(3-substitutedamino-2-hydroxypropoxy)-benzimidazolidin-2-(ones or thiones)
CA1108619A (en) * 1977-08-12 1981-09-08 Carl H. Ross 4-hydroxy-2-benzimidazolinone derivatives and the preparation thereof
DE2801980A1 (de) * 1978-01-18 1979-07-19 Boehringer Mannheim Gmbh 4-hydroxy-2-benzimidazolin-thion- derivate, verfahren zu ihrer herstellung sowie diese verbindungen enthaltende arzneimittel
EP0003758A1 (de) * 1978-02-09 1979-09-05 Ciba-Geigy Ag Verätherte Hydroxy-benzodiheterocyclen und ihre Säureadditionssalze, Verfahren zu deren Herstellung und diese enthaltende pharmazeutische Präparate
DE2905877A1 (de) * 1979-02-16 1980-08-28 Boehringer Mannheim Gmbh Neue aminopropanolderivate, verfahren zu ihrer herstellung und diese verbindungen enthaltende arzneimittel
DD150456A5 (de) * 1979-03-01 1981-09-02 Ciba Geigy Ag Verfahren zur herstellung von derivaten des 3-amino-1,2-propandiols
PT71175A (fr) 1979-05-04 1980-05-01 Continental Pharma Procede pour preparer derives de benzimidazoles
DE2922084A1 (de) 1979-05-31 1980-12-11 Boehringer Mannheim Gmbh Neue aminopropanol-derivate, verfahren zu ihrer herstellung und diese verbindungen enthaltende arzneimittel
US4442094A (en) * 1980-12-23 1984-04-10 Merck & Co., Inc. (3-Aralkylamino-2-or-propoxy)heterocyclic compounds
US4349673A (en) * 1980-12-23 1982-09-14 Merck & Co., Inc. Benzoxazines
US4656168A (en) * 1980-12-23 1987-04-07 Merck & Co., Inc. (3-aralkylamino-2-or-propoxy)heterocyclic compounds in method of effecting bronchodilation
US4331679A (en) * 1980-12-23 1982-05-25 Merck Sharp & Dohme (I.A.) Corp. (3-Aralkylamino-2-or-propoxy) heterocyclic compounds
DE3217012A1 (de) * 1982-05-06 1983-11-10 Dr. Karl Thomae Gmbh, 7950 Biberach Benzoxazin-2-one, deren herstellung und diese verbindungen enthaltende arzneimittel
IT1212552B (it) * 1982-10-20 1989-11-30 Italo Britannica L Manet Ti H Alcanolaminossi derivati di 3,4-diidro-2h-1.4-benzotiazin-3-one, loro procedimento di produzione e loro utilizzazione farmaceutica
GB8419797D0 (en) * 1984-08-03 1984-09-05 Beecham Group Plc Compounds
DE3800096A1 (de) * 1988-01-05 1989-07-13 Bayer Ag Verwendung von benzimidazolderivaten als leistungsfoerderer
FR2653430B1 (fr) * 1989-10-23 1991-12-20 Pf Medicament Nouveaux derives de dihydro-1,2 oxo-2 quinoxalines, leur preparation et leur application en therapeutique.
ZA967892B (en) * 1995-09-21 1998-03-18 Lilly Co Eli Selective β3 adrenergic agonists.
ATE215369T1 (de) 1996-09-05 2002-04-15 Lilly Co Eli Carbazolanaloge als selektive beta3-adrenergische agonisten
US5808080A (en) * 1996-09-05 1998-09-15 Eli Lilly And Company Selective β3 adrenergic agonists
US5990144A (en) * 1997-02-18 1999-11-23 American Home Products Corporation 4-aminoalkoxy-1,3-dihydrobenzoimidazol-2-one dopamine autoreceptor agonists
US5972958A (en) * 1997-02-18 1999-10-26 American Home Products Corporation 4-aminoalkoxy-1,3-dihydro-benzoimidazol-2-thiones
US5922715A (en) * 1997-02-18 1999-07-13 American Home Products Corporation 5-aminoalkoxy-1, 4-dihydroquinoxaline-2, 3-diones
EP0905121B1 (de) 1997-09-24 2002-07-03 Infineon Technologies AG o-Nitro(thio)phenolderivate und deren Herstellung
CO5011072A1 (es) 1997-12-05 2001-02-28 Lilly Co Eli Etanolaminas pirazinil substituidas como agfonistas de los receptores
AU1580001A (en) * 1999-11-15 2001-05-30 Eli Lilly And Company Process for the preparation of aryloxy propanolamines
FR2805159B1 (fr) 2000-02-23 2005-06-10 Oreal Compositions pour la teinture d'oxydation des fibres keratiniques comprenant un n-(2-hydroxybenzene)-carbamate ou un n-(2-hydroxybenzene)-uree a titre de coupleur, et procedes de teinture
DE60120748T2 (de) 2000-11-10 2007-05-16 Eli Lilly And Co., Indianapolis 3-substituierte oxindolderivate als beta-3-agonisten
US6911463B2 (en) 2001-08-14 2005-06-28 Eli Lilly And Company 3-substituted oxindole β-3 agonists
DE60215028T2 (de) 2001-08-14 2007-03-15 Eli Lilly And Co., Indianapolis Indol derivate als beta-3-adrenerge agonisten zur behandlung von typ 2 diabetes
DE60225174T2 (de) 2001-11-20 2009-02-12 Eli Lilly And Co., Indianapolis Beta-3 adrenergische agonisten
EP1448560B1 (en) 2001-11-20 2005-06-15 Eli Lilly And Company 3-SUBSTITUTED OXINDOLE beta 3 AGONISTS
AU2002357084A1 (en) 2002-01-11 2003-07-30 Eli Lilly And Company 2-oxo-benzimidazolyl substituted ethanolamine derivatives and their use as beta3 agonists
SI1535918T1 (sl) 2002-08-29 2011-01-31 Nissan Chemical Ind Ltd Postopek za proizvodnjo aminobenzopiranske spojine
RU2006104621A (ru) * 2003-07-15 2006-08-27 Смитклайн Бичам Корпорейшн (US) Новые соединения
KR101129868B1 (ko) * 2006-10-04 2012-04-12 화이자 프로덕츠 인코포레이티드 칼슘 수용체 길항제로서의 피리도[4,3-d]피리미딘-4(3H)-온 유도체
US9784726B2 (en) 2013-01-08 2017-10-10 Atrogi Ab Screening method, a kit, a method of treatment and a compound for use in a method of treatment
GB201714740D0 (en) 2017-09-13 2017-10-25 Atrogi Ab New compounds and uses
GB201714734D0 (en) 2017-09-13 2017-10-25 Atrogi Ab New compounds and uses
GB201714745D0 (en) 2017-09-13 2017-10-25 Atrogi Ab New compounds and uses
GB201714736D0 (en) 2017-09-13 2017-10-25 Atrogi Ab New compounds and uses
GB201903832D0 (en) 2019-03-20 2019-05-01 Atrogi Ab New compounds and methods
GB202205895D0 (en) 2022-04-22 2022-06-08 Atrogi Ab New medical uses

Family Cites Families (5)

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Publication number Priority date Publication date Assignee Title
CA726737A (en) * 1966-01-25 C. Scarborough Homer 4-substituted quinolines and quinazolines
US3686176A (en) * 1970-03-09 1972-08-22 Frosst & Co Charles E 1-morpholino phenoxy-3-alkylamino-2-propanols
US3763153A (en) * 1972-02-22 1973-10-02 Squibb & Sons Inc Benzothiazines
GB1488330A (en) * 1973-12-19 1977-10-12 Smith Kline French Lab Dihydropyridazinones
CH624395A5 (enExample) * 1976-01-08 1981-07-31 Ciba Geigy Ag

Also Published As

Publication number Publication date
IE44246L (en) 1977-07-08
AT355564B (de) 1980-03-10
CH624395A5 (enExample) 1981-07-31
AR215643A1 (es) 1979-10-31
ZA7787B (en) 1977-11-30
ES454779A1 (es) 1978-01-01
FR2337718A1 (fr) 1977-08-05
AR214746A1 (es) 1979-07-31
SU648091A3 (ru) 1979-02-15
GB1549945A (en) 1979-08-08
JPS5285166A (en) 1977-07-15
SU645568A3 (ru) 1979-01-30
BE850166A (fr) 1977-07-07
NO770061L (no) 1977-07-11
ATA4677A (de) 1979-08-15
NZ182963A (en) 1978-07-28
DK6177A (da) 1977-07-09
AR217258A1 (es) 1980-03-14
PL112441B1 (en) 1980-10-31
NL7700141A (nl) 1977-07-12
PL112491B1 (en) 1980-10-31
SU648092A3 (ru) 1979-02-15
AR214869A1 (es) 1979-08-15
AU2110577A (en) 1978-07-13
PL110654B1 (en) 1980-07-31
CA1083150A (en) 1980-08-05
IE44246B1 (en) 1981-09-23
FR2337718B1 (enExample) 1980-11-07
SU651695A3 (ru) 1979-03-05
DD129444A5 (de) 1978-01-18
US4140789A (en) 1979-02-20
DE2700193A1 (de) 1977-07-14
CS201040B2 (en) 1980-10-31
IL51222A0 (en) 1977-03-31
GR73132B (enExample) 1984-02-07
SE7700056L (sv) 1977-07-09
FI770036A7 (enExample) 1977-07-09
US4310527A (en) 1982-01-12
PL195154A1 (pl) 1979-05-07
AU507884B2 (en) 1980-02-28
IL51222A (en) 1980-12-31

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