PL135169B1 - Method of obtaining novel 4-/2-hydroxy-4-/substituted/phenyl/naphtalen-1h-oles-2-and their derivatives - Google Patents

Method of obtaining novel 4-/2-hydroxy-4-/substituted/phenyl/naphtalen-1h-oles-2-and their derivatives Download PDF

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Publication number
PL135169B1
PL135169B1 PL1981233104A PL23310481A PL135169B1 PL 135169 B1 PL135169 B1 PL 135169B1 PL 1981233104 A PL1981233104 A PL 1981233104A PL 23310481 A PL23310481 A PL 23310481A PL 135169 B1 PL135169 B1 PL 135169B1
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formula
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alpha
beta
compound
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PL1981233104A
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PL233104A1 (OSRAM
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Pfizer
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
    • C07D317/72—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 spiro-condensed with carbocyclic rings
    • 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
    • C07D295/14—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 carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A61P25/04—Centrally acting analgesics, e.g. opioids
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C39/00—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring
    • C07C39/12—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring polycyclic with no unsaturation outside the aromatic rings
    • C07C39/17—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring polycyclic with no unsaturation outside the aromatic rings containing other rings in addition to the six-membered aromatic rings, e.g. cyclohexylphenol
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C39/00—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring
    • C07C39/23—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring polycyclic, containing six-membered aromatic rings and other rings, with unsaturation outside the aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C39/00—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring
    • C07C39/24—Halogenated derivatives
    • C07C39/42—Halogenated derivatives containing six-membered aromatic rings and other rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C43/00—Ethers; Compounds having groups, groups or groups
    • C07C43/02—Ethers
    • C07C43/18—Ethers having an ether-oxygen atom bound to a carbon atom of a ring other than a six-membered aromatic ring
    • C07C43/196—Ethers having an ether-oxygen atom bound to a carbon atom of a ring other than a six-membered aromatic ring containing hydroxy or O-metal groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/56—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds
    • C07C45/57—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom
    • C07C45/59—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom in five-membered rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/673—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by change of size of the carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • C07C45/69—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by addition to carbon-to-carbon double or triple bonds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/587—Unsaturated compounds containing a keto groups being part of a ring
    • C07C49/703—Unsaturated compounds containing a keto groups being part of a ring containing hydroxy groups
    • C07C49/747—Unsaturated compounds containing a keto groups being part of a ring containing hydroxy groups containing six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/587—Unsaturated compounds containing a keto groups being part of a ring
    • C07C49/753—Unsaturated compounds containing a keto groups being part of a ring containing ether groups, groups, groups, or groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C62/00—Compounds having carboxyl groups bound to carbon atoms of rings other than six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
    • C07C62/30—Unsaturated compounds
    • C07C62/38—Unsaturated compounds containing keto groups
    • 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
    • C07D295/14—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 carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D295/145—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 carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals with the ring nitrogen atoms and the carbon atoms with three bonds to hetero atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings
    • C07D295/15—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 carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals with the ring nitrogen atoms and the carbon atoms with three bonds to hetero 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
    • C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • C07D493/06—Peri-condensed systems
    • 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
    • C07F9/06—Phosphorus compounds without P—C bonds
    • C07F9/08—Esters of oxyacids of phosphorus
    • C07F9/09—Esters of phosphoric acids
    • C07F9/12—Esters of phosphoric acids with hydroxyaryl compounds

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Neurosurgery (AREA)
  • Neurology (AREA)
  • Biochemistry (AREA)
  • Molecular Biology (AREA)
  • Pain & Pain Management (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
  • Hydrogenated Pyridines (AREA)
PL1981233104A 1980-09-19 1981-09-19 Method of obtaining novel 4-/2-hydroxy-4-/substituted/phenyl/naphtalen-1h-oles-2-and their derivatives PL135169B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/189,402 US4285867A (en) 1980-09-19 1980-09-19 Pharmacologically active 4-[2-hydroxy-4-(substituted)phenyl]naphthalen-2(1H)-ones and 2-ols, derivatives thereof and intermediates therefor

Publications (2)

Publication Number Publication Date
PL233104A1 PL233104A1 (OSRAM) 1982-11-08
PL135169B1 true PL135169B1 (en) 1985-10-31

Family

ID=22697189

Family Applications (5)

Application Number Title Priority Date Filing Date
PL1981237441A PL131787B1 (en) 1980-09-19 1981-09-19 Process for preparing novel derivatives of ketals of naphtalenodi-2,6-ones
PL1981242509A PL133727B1 (en) 1980-09-19 1981-09-19 Process for preparing novel 1,2,3,4,4a,5,6,7,8,8a-decahydro-4-beta-/4-(1,2-dimethylheptyl)-2-hydroxyphenyl/-6-alfa-hydroxymethylnaphtalene-2-beta-ol
PL1981237443A PL134880B1 (en) 1980-09-19 1981-09-19 Method of obtaining novel derivatives of ketals of naphtalenodiones-2,6
PL1981237442A PL138052B1 (en) 1980-09-19 1981-09-19 Method of obtaining novel 4-/2-hydroxy-4-/substituted/phenyl/naphtene-/1h/-ones-2 and their derivatives
PL1981233104A PL135169B1 (en) 1980-09-19 1981-09-19 Method of obtaining novel 4-/2-hydroxy-4-/substituted/phenyl/naphtalen-1h-oles-2-and their derivatives

Family Applications Before (4)

Application Number Title Priority Date Filing Date
PL1981237441A PL131787B1 (en) 1980-09-19 1981-09-19 Process for preparing novel derivatives of ketals of naphtalenodi-2,6-ones
PL1981242509A PL133727B1 (en) 1980-09-19 1981-09-19 Process for preparing novel 1,2,3,4,4a,5,6,7,8,8a-decahydro-4-beta-/4-(1,2-dimethylheptyl)-2-hydroxyphenyl/-6-alfa-hydroxymethylnaphtalene-2-beta-ol
PL1981237443A PL134880B1 (en) 1980-09-19 1981-09-19 Method of obtaining novel derivatives of ketals of naphtalenodiones-2,6
PL1981237442A PL138052B1 (en) 1980-09-19 1981-09-19 Method of obtaining novel 4-/2-hydroxy-4-/substituted/phenyl/naphtene-/1h/-ones-2 and their derivatives

Country Status (27)

Country Link
US (1) US4285867A (OSRAM)
EP (1) EP0049953B1 (OSRAM)
JP (1) JPS57112344A (OSRAM)
KR (1) KR850001337B1 (OSRAM)
AR (1) AR228617A1 (OSRAM)
AT (1) ATE7487T1 (OSRAM)
AU (1) AU526673B2 (OSRAM)
CA (2) CA1166639A (OSRAM)
CS (4) CS221988B2 (OSRAM)
DD (2) DD206986A5 (OSRAM)
DE (1) DE3163651D1 (OSRAM)
DK (1) DK415281A (OSRAM)
ES (2) ES505625A0 (OSRAM)
FI (1) FI75143C (OSRAM)
GR (1) GR75346B (OSRAM)
HU (1) HU191337B (OSRAM)
IE (1) IE51630B1 (OSRAM)
IL (1) IL63869A (OSRAM)
IN (1) IN157167B (OSRAM)
NO (2) NO813186L (OSRAM)
NZ (2) NZ198390A (OSRAM)
PH (1) PH17616A (OSRAM)
PL (5) PL131787B1 (OSRAM)
PT (1) PT73700B (OSRAM)
SU (2) SU1217248A3 (OSRAM)
YU (2) YU225981A (OSRAM)
ZA (1) ZA816489B (OSRAM)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4593131A (en) * 1980-09-19 1986-06-03 Pfizer Inc. Pharmacologically active 4-[2-hydroxy-4-(substituted)phenyl]naphthalen-2(1H)-ones and 2-ols, derivatives thereof and intermediates therefor
US4360700A (en) * 1981-11-02 1982-11-23 Pfizer Inc. Intermediates for making 1-(3-benzyloxyphenyl)-1,1-dimethylheptane
JP4639414B2 (ja) * 1998-12-25 2011-02-23 Ｄｉｃ株式会社 デカヒドロナフタレン誘導体及びその製造方法
CN107915633A (zh) * 2017-12-06 2018-04-17 安徽绩溪县徽煌化工有限公司 一种间苄氧基苯甲酸甲酯的制备方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB464328A (en) * 1935-10-09 1937-04-09 Henkel & Cie Gmbh Improvements in or relating to the manufacture of hydroarylated aromatic hydroxy compounds and derivatives thereof
US2993056A (en) * 1956-08-31 1961-07-18 Istituto Sieroterapico Italian Production of the 1-6-lactone of 6-hydroxy-8-acetoxy-octanoic acid
US2886589A (en) * 1957-08-05 1959-05-12 Merck & Co Inc 8-methyl-5-oxyphenyl hexahydroindan compounds
US3862986A (en) * 1966-07-01 1975-01-28 Hoffmann La Roche 1-Hydroxymethyl-amino-2-alkyl-or allyl-2-(3{40 -methoxy-phenyl)-chclohexanes
US3378589A (en) * 1967-05-01 1968-04-16 American Cyanamid Co Process of preparing the ring b carbon analog of griseofulvin
US3576887A (en) * 1967-05-01 1971-04-27 American Home Prod Process for the preparation of oxaphenanthrenes and intermediates therefor
US3974157A (en) * 1974-03-04 1976-08-10 Pennwalt Corporation 1-(Amino-alkyl)-2-aryl-cyclohexane alcohols and esters
PL122834B1 (en) 1977-09-13 1982-08-31 Process for preparing novel 3-/2-hydroxy-4-/substituted/-phenyl/-cyclohexanones
US4283569A (en) 1977-09-13 1981-08-11 Pfizer Inc. Hydroxyalkyl and oxoalkyl substituted phenols as analgesics and sedatives
SE431085B (sv) * 1977-09-13 1984-01-16 Pfizer 3-(2-hydroxi-4-(substituerade)fenyl)cykloalkanoner och -cykloalkanoder och vissa derivat derav till anvendning for farmakologiska och medicinska endamal
US4188495A (en) * 1977-11-14 1980-02-12 Pfizer Inc. 1,9-Dihydroxyoctahydrophenanthrenes and intermediates therefor

Also Published As

Publication number Publication date
ES8301872A1 (es) 1982-12-16
PL237442A1 (en) 1983-02-14
AU7547481A (en) 1982-06-10
EP0049953B1 (en) 1984-05-16
PH17616A (en) 1984-10-05
IN157167B (OSRAM) 1986-02-01
NO823160L (no) 1982-03-22
US4285867A (en) 1981-08-25
DE3163651D1 (en) 1984-06-20
CS221990B2 (en) 1983-04-29
AU526673B2 (en) 1983-01-27
CA1171416A (en) 1984-07-24
ATE7487T1 (de) 1984-06-15
HU191337B (en) 1987-02-27
ES505625A0 (es) 1982-12-16
DK415281A (da) 1982-03-20
PL133727B1 (en) 1985-06-29
NZ198390A (en) 1984-12-14
IE812185L (en) 1982-03-19
ES514376A0 (es) 1983-05-01
PL131787B1 (en) 1985-01-31
YU149283A (en) 1983-12-31
IL63869A (en) 1985-03-31
PT73700A (en) 1981-10-01
FI812927L (fi) 1982-03-20
CS221989B2 (en) 1983-04-29
CS221988B2 (en) 1983-04-29
FI75143C (fi) 1988-05-09
IL63869A0 (en) 1981-12-31
PL134880B1 (en) 1985-09-30
SU1217249A3 (ru) 1986-03-07
DD206986A5 (de) 1984-02-15
YU225981A (en) 1984-02-29
DD209434A5 (de) 1984-05-09
AR228617A1 (es) 1983-03-30
NO813186L (no) 1982-03-22
KR830007592A (ko) 1983-11-04
PT73700B (en) 1983-10-19
PL138052B1 (en) 1986-08-30
FI75143B (fi) 1988-01-29
GR75346B (OSRAM) 1984-07-13
KR850001337B1 (ko) 1985-09-19
CS221991B2 (en) 1983-04-29
IE51630B1 (en) 1987-01-21
SU1217248A3 (ru) 1986-03-07
JPS57112344A (en) 1982-07-13
EP0049953A2 (en) 1982-04-21
CA1166639A (en) 1984-05-01
PL237443A1 (en) 1983-02-14
JPS6158456B2 (OSRAM) 1986-12-11
ZA816489B (en) 1982-09-29
ES8306087A1 (es) 1983-05-01
PL237441A1 (en) 1983-02-14
NZ206872A (en) 1984-12-14
EP0049953A3 (en) 1982-12-08
PL233104A1 (OSRAM) 1982-11-08

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