CH500145A - Verfahren zur Herstellung aromatischer, Äthylendoppelbindungen enthaltender Verbindungen - Google Patents

Verfahren zur Herstellung aromatischer, Äthylendoppelbindungen enthaltender Verbindungen

Info

Publication number
CH500145A
CH500145A CH1011067A CH1011067A CH500145A CH 500145 A CH500145 A CH 500145A CH 1011067 A CH1011067 A CH 1011067A CH 1011067 A CH1011067 A CH 1011067A CH 500145 A CH500145 A CH 500145A
Authority
CH
Switzerland
Prior art keywords
preparation
double bonds
compounds containing
aromatic compounds
containing ethylene
Prior art date
Application number
CH1011067A
Other languages
German (de)
English (en)
Inventor
Emil Dr Siegrist Adolf
Peter Dr Liechti
Rudolf Dr Meyer Hans
Kurt Dr Weber
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
Priority to CH1011067A priority Critical patent/CH500145A/de
Priority to SE07835/68A priority patent/SE368562B/xx
Priority to DE1768868A priority patent/DE1768868B2/de
Priority to DE19681793793 priority patent/DE1793793A1/de
Priority to GB33196/68A priority patent/GB1222863A/en
Priority to FR1576018D priority patent/FR1576018A/fr
Priority to NL6809918A priority patent/NL6809918A/xx
Priority to AT675568A priority patent/AT280253B/de
Priority to SU1256324A priority patent/SU405197A3/ru
Priority to ES356117A priority patent/ES356117A1/es
Priority to BE718107D priority patent/BE718107A/xx
Publication of CH500145A publication Critical patent/CH500145A/de
Priority to CA145399A priority patent/CA927090A/en
Priority to US05/506,663 priority patent/US3991049A/en

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
    • C07D213/06—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 containing only hydrogen and carbon atoms in addition to the ring nitrogen atom
    • C07D213/16—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 containing only hydrogen and carbon atoms in addition to the ring nitrogen atom containing only one pyridine ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/26—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton
    • C07C17/263—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by condensation reactions
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
    • C07C2/86—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01—Preparation of ethers
    • C07C41/18—Preparation of ethers by reactions not forming ether-oxygen bonds
    • C07C41/30—Preparation of ethers by reactions not forming ether-oxygen bonds by increasing the number of carbon atoms, e.g. by oligomerisation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C43/00—Ethers; Compounds having groups, groups or groups
    • C07C43/02—Ethers
    • C07C43/20—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring
    • C07C43/215—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring having unsaturation outside the six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C43/00—Ethers; Compounds having groups, groups or groups
    • C07C43/02—Ethers
    • C07C43/257—Ethers having an ether-oxygen atom bound to carbon atoms both belonging to six-membered aromatic rings
    • C07C43/285—Ethers having an ether-oxygen atom bound to carbon atoms both belonging to six-membered aromatic rings having unsaturation outside the six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
    • C07C63/66—Polycyclic acids with unsaturation outside the aromatic rings
    • 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
    • C07D213/06—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 containing only hydrogen and carbon atoms in addition to the ring nitrogen atom
    • 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
    • C07D213/28—Radicals substituted by singly-bound oxygen or sulphur atoms
    • C07D213/30—Oxygen atoms
    • 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
    • C07D317/44—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 ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D317/46—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 ortho- or peri-condensed with carbocyclic rings or ring systems condensed with one six-membered ring
    • C07D317/48—Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring
    • C07D317/50—Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to atoms of the carbocyclic ring
    • 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
    • C07D317/44—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 ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D317/46—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 ortho- or peri-condensed with carbocyclic rings or ring systems condensed with one six-membered ring
    • C07D317/48—Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring
    • C07D317/50—Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to atoms of the carbocyclic ring
    • C07D317/54—Radicals substituted by oxygen atoms
    • 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
    • C07D333/08—Hydrogen atoms or radicals containing only hydrogen and carbon atoms
    • 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
    • C07D333/14—Radicals substituted by singly bound hetero atoms other than halogen
    • C07D333/16—Radicals substituted by singly bound hetero atoms other than halogen by oxygen atoms
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0041—Optical brightening agents, organic pigments
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/14—Styryl dyes
    • C09B23/141—Bis styryl dyes containing two radicals C6H5-CH=CH-
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/14—Styryl dyes
    • C09B23/148—Stilbene dyes containing the moiety -C6H5-CH=CH-C6H5
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2603/00—Systems containing at least three condensed rings
    • C07C2603/02—Ortho- or ortho- and peri-condensed systems
    • C07C2603/04—Ortho- or ortho- and peri-condensed systems containing three rings
    • C07C2603/22—Ortho- or ortho- and peri-condensed systems containing three rings containing only six-membered rings
    • C07C2603/24—Anthracenes; Hydrogenated anthracenes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2603/00—Systems containing at least three condensed rings
    • C07C2603/02—Ortho- or ortho- and peri-condensed systems
    • C07C2603/04—Ortho- or ortho- and peri-condensed systems containing three rings
    • C07C2603/22—Ortho- or ortho- and peri-condensed systems containing three rings containing only six-membered rings
    • C07C2603/26—Phenanthrenes; Hydrogenated phenanthrenes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2603/00—Systems containing at least three condensed rings
    • C07C2603/02—Ortho- or ortho- and peri-condensed systems
    • C07C2603/40—Ortho- or ortho- and peri-condensed systems containing four condensed rings
    • C07C2603/42—Ortho- or ortho- and peri-condensed systems containing four condensed rings containing only six-membered rings
    • C07C2603/50—Pyrenes; Hydrogenated pyrenes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
CH1011067A 1967-07-14 1967-07-14 Verfahren zur Herstellung aromatischer, Äthylendoppelbindungen enthaltender Verbindungen CH500145A (de)

Priority Applications (13)

Application Number Priority Date Filing Date Title
CH1011067A CH500145A (de) 1967-07-14 1967-07-14 Verfahren zur Herstellung aromatischer, Äthylendoppelbindungen enthaltender Verbindungen
SE07835/68A SE368562B (ru) 1967-07-14 1968-06-11
DE1768868A DE1768868B2 (de) 1967-07-14 1968-07-09 Verfahren zur Herstellung aromatischer Aethylendoppelbindungen enthaltender Verbindungen
DE19681793793 DE1793793A1 (de) 1967-07-14 1968-07-09 Verwendung aromatischer aethylendoppelbindungen enthaltender verbindung als optische aufhellmittel
GB33196/68A GB1222863A (en) 1967-07-14 1968-07-11 Aromatic compounds containing ehtylene double bonds, processes for their manufacture and use
FR1576018D FR1576018A (ru) 1967-07-14 1968-07-12
NL6809918A NL6809918A (ru) 1967-07-14 1968-07-12
AT675568A AT280253B (de) 1967-07-14 1968-07-12 Verfahren zur Herstellung aromatischer Verbindungen mit Stilbenkonfiguration(en)
SU1256324A SU405197A3 (ru) 1967-07-14 1968-07-12
ES356117A ES356117A1 (es) 1967-07-14 1968-07-13 Procedimiento para la preparacion de compuestos aromaticos.
BE718107D BE718107A (ru) 1967-07-14 1968-07-15
CA145399A CA927090A (en) 1967-07-14 1972-06-22 Distyryl biphenyl optical brightener for polyamide materials
US05/506,663 US3991049A (en) 1967-07-14 1974-09-16 Aromatic compounds containing ethylene double bonds, processes for their manufacture and use

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1011067A CH500145A (de) 1967-07-14 1967-07-14 Verfahren zur Herstellung aromatischer, Äthylendoppelbindungen enthaltender Verbindungen

Publications (1)

Publication Number Publication Date
CH500145A true CH500145A (de) 1970-12-15

Family

ID=4359453

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1011067A CH500145A (de) 1967-07-14 1967-07-14 Verfahren zur Herstellung aromatischer, Äthylendoppelbindungen enthaltender Verbindungen

Country Status (9)

Country Link
AT (1) AT280253B (ru)
BE (1) BE718107A (ru)
CH (1) CH500145A (ru)
DE (2) DE1793793A1 (ru)
FR (1) FR1576018A (ru)
GB (1) GB1222863A (ru)
NL (1) NL6809918A (ru)
SE (1) SE368562B (ru)
SU (1) SU405197A3 (ru)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010113005A2 (en) * 2009-03-27 2010-10-07 Council Of Scientific & Industrial Research One pot multicomponent synthesis of some novel hydroxy stilbene derivatives with alpha, beta-carbonyl conjugation under microwave irradiation

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2209128C3 (de) * 1971-03-05 1981-10-22 CIBA-GEIGY AG, 4002 Basel Bis-Stilbenverbindungen, Verfahren zu deren Herstellung und deren Verwendung als optische Aufheller
CH583668A5 (ru) * 1972-06-30 1977-01-14 Ciba Geigy Ag
DE2841519A1 (de) * 1978-09-23 1980-04-03 Bayer Ag Fluoreszenzfarbstoffe
DE3118525A1 (de) * 1981-05-09 1982-12-02 Bayer Ag, 5090 Leverkusen 1,4-bis-(4-chlor-2-methoxystyryl)-benzol sowie dessen verwendung als weisstoener fuer makromolekulare organische stoffe
DE3347905C2 (ru) * 1982-04-30 1992-03-12 Ricoh Co., Ltd., Tokio/Tokyo, Jp
US4572884A (en) * 1982-11-25 1986-02-25 Ricoh Company, Ltd. Stilbene derivatives and electrophotographic photoconductor comprising one stilbene derivative
CA1340886C (en) * 1987-05-06 2000-02-01 Yoshihisa Inomata 1, 2-di (4-isobutylphenyl) hydrocarbon and its preparation and uses as intermediate
IL154467A0 (en) * 2000-09-01 2003-09-17 Fmc Corp 1,4-disubstituted benzenes as insecticides
JP4476932B2 (ja) * 2003-03-24 2010-06-09 日本化学工業株式会社 長い直線的共役系構造部分を持つベンゼン誘導体、その製造方法及び液晶性材料
CN102683590A (zh) * 2005-04-15 2012-09-19 E·I·内穆尔杜邦公司 芳基-乙烯取代的芳族化合物及其作为有机半导体的应用
JP2023056635A (ja) * 2021-10-08 2023-04-20 セイコーエプソン株式会社 結合材および成形体の製造方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010113005A2 (en) * 2009-03-27 2010-10-07 Council Of Scientific & Industrial Research One pot multicomponent synthesis of some novel hydroxy stilbene derivatives with alpha, beta-carbonyl conjugation under microwave irradiation
WO2010113005A3 (en) * 2009-03-27 2011-05-26 Council Of Scientific & Industrial Research One pot multicomponent synthesis of some novel hydroxy stilbene derivatives with alpha, beta-carbonyl conjugation under microwave irradiation
US8716532B2 (en) 2009-03-27 2014-05-06 Council Of Scientific And Industrial Research One pot multicomponent synthesis of some novel hydroxy stilbene derivatives with alpha, beta-carbonyl conjugation under microwave irradiation

Also Published As

Publication number Publication date
DE1768868C3 (ru) 1975-01-16
FR1576018A (ru) 1969-07-25
SU405197A3 (ru) 1973-10-22
DE1768868A1 (de) 1972-01-13
DE1768868B2 (de) 1974-05-16
DE1793793A1 (de) 1975-01-16
BE718107A (ru) 1969-01-15
NL6809918A (ru) 1969-01-16
AT280253B (de) 1970-04-10
GB1222863A (en) 1971-02-17
SE368562B (ru) 1974-07-08

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