NO146774C - ANALOGY PROCEDURE FOR THE PREPARATION OF THERAPEUTIC ACTIVE PIPERAZINE AND PIPERIDE INGREDIENTS - Google Patents

ANALOGY PROCEDURE FOR THE PREPARATION OF THERAPEUTIC ACTIVE PIPERAZINE AND PIPERIDE INGREDIENTS

Info

Publication number
NO146774C
NO146774C NO771168A NO771168A NO146774C NO 146774 C NO146774 C NO 146774C NO 771168 A NO771168 A NO 771168A NO 771168 A NO771168 A NO 771168A NO 146774 C NO146774 C NO 146774C
Authority
NO
Norway
Prior art keywords
preparation
therapeutic active
analogy procedure
active piperazine
piperide
Prior art date
Application number
NO771168A
Other languages
Norwegian (no)
Other versions
NO771168L (en
NO146774B (en
Inventor
Jan Vandenberk
Ludo E J Kennis
Marcel J M C Van Der Aa
Albert H M Th Van Heertum
Original Assignee
Janssen Pharmaceutica Nv
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 Janssen Pharmaceutica Nv filed Critical Janssen Pharmaceutica Nv
Publication of NO771168L publication Critical patent/NO771168L/en
Publication of NO146774B publication Critical patent/NO146774B/en
Publication of NO146774C publication Critical patent/NO146774C/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
    • C07D213/24—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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00—Drugs for immunological or allergic disorders
    • A61P37/08—Antiallergic agents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
    • 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
    • C07C45/45—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
    • C07C45/46—Friedel-Crafts reactions
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/76—Ketones containing a keto group bound to a six-membered aromatic ring
    • C07C49/80—Ketones containing a keto group bound to a six-membered aromatic ring containing halogen
    • C07C49/813—Ketones containing a keto group bound to a six-membered aromatic ring containing halogen polycyclic
    • 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
    • C07D211/06—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 no double bonds between ring members or between ring members and non-ring members
    • C07D211/36—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 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
    • C07D211/40—Oxygen atoms
    • C07D211/44—Oxygen atoms attached in position 4
    • C07D211/46—Oxygen atoms attached in position 4 having a hydrogen atom as the second substituent in position 4
    • 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
    • C07D213/26—Radicals substituted by halogen atoms or nitro radicals
    • 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
    • C07D213/44—Radicals substituted by doubly-bound oxygen, sulfur, or nitrogen atoms, or by two such atoms singly-bound to the same carbon atom
    • C07D213/46—Oxygen atoms
    • C07D213/50—Ketonic radicals
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
    • C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
    • C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
    • C07D235/06—Benzimidazoles; Hydrogenated benzimidazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
    • C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
    • C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
    • C07D235/06—Benzimidazoles; Hydrogenated benzimidazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2
    • C07D235/08—Radicals containing only hydrogen and carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
    • C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
    • C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
    • C07D235/18—Benzimidazoles; Hydrogenated benzimidazoles with aryl radicals directly attached in position 2
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
    • C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
    • C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
    • C07D235/24—Benzimidazoles; 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
    • C07D235/26—Oxygen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
    • C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
    • C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
    • C07D235/24—Benzimidazoles; 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
    • C07D235/28—Sulfur atoms
    • 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
    • C07D295/06—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 halogen atoms or nitro radicals
    • C07D295/073—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 halogen atoms or nitro radicals with the ring nitrogen atoms and the substituents separated by carbocyclic rings or by carbon chains interrupted by 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
    • C07D295/12—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 or doubly bound nitrogen atoms
    • C07D295/125—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 or doubly bound nitrogen atoms with the ring nitrogen atoms and the substituent nitrogen atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings
    • C07D295/13—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 or doubly bound nitrogen atoms with the ring nitrogen atoms and the substituent nitrogen atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings to an acyclic saturated chain
NO771168A 1976-04-02 1977-04-01 ANALOGY PROCEDURE FOR THE PREPARATION OF THERAPEUTIC ACTIVE PIPERAZINE AND PIPERIDE INGREDIENTS NO146774C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US67291976A 1976-04-02 1976-04-02
US75306276A 1976-12-21 1976-12-21

Publications (3)

Publication Number Publication Date
NO771168L NO771168L (en) 1977-10-04
NO146774B NO146774B (en) 1982-08-30
NO146774C true NO146774C (en) 1982-12-08

Family

ID=27100846

Family Applications (1)

Application Number Title Priority Date Filing Date
NO771168A NO146774C (en) 1976-04-02 1977-04-01 ANALOGY PROCEDURE FOR THE PREPARATION OF THERAPEUTIC ACTIVE PIPERAZINE AND PIPERIDE INGREDIENTS

Country Status (31)

Country Link
JP (1) JPS52122380A (en)
AT (1) AT357541B (en)
AU (1) AU515173B2 (en)
BG (1) BG36044A3 (en)
CA (1) CA1097646A (en)
CH (1) CH634317A5 (en)
CS (1) CS191337B2 (en)
CY (1) CY1210A (en)
DE (1) DE2714437A1 (en)
DK (1) DK153477C (en)
EG (1) EG12722A (en)
ES (1) ES456690A1 (en)
FI (1) FI66178C (en)
FR (1) FR2346350A1 (en)
GB (1) GB1579365A (en)
GR (1) GR62465B (en)
HU (1) HU179491B (en)
IE (1) IE44942B1 (en)
IL (1) IL51797A (en)
IT (1) IT1086841B (en)
KE (1) KE3338A (en)
LU (1) LU77052A1 (en)
MY (1) MY8400208A (en)
NL (1) NL190522C (en)
NO (1) NO146774C (en)
NZ (1) NZ183506A (en)
PH (1) PH12951A (en)
PT (1) PT66384B (en)
SE (1) SE431333B (en)
SU (1) SU683621A3 (en)
YU (1) YU39992B (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4181802A (en) * 1978-05-11 1980-01-01 Janssen Pharmaceutica N.V. 1-(Heterocyclylalkyl)-1,3-dihydro-2-H-benzimidazole-2-ones
US4254127A (en) * 1980-04-03 1981-03-03 Janssen Pharmaceutica, N.V. 1,3-Dihydro-1-[(1-piperidinyl)alkyl]-2H-benzimidazol-2-one derivatives
JPS57106663A (en) * 1980-12-23 1982-07-02 Kyorin Pharmaceut Co Ltd 1,4-disubstituted piperazine derivative and its preparation
ES8308553A1 (en) * 1982-06-17 1983-09-01 Ferrer Int Piperazine derivatives, a process for preparing them and pharmaceutical compositions.
DE3442757A1 (en) * 1984-11-23 1986-05-28 Wella Ag, 6100 Darmstadt USE OF 2-NITROANILINE DERIVATIVES IN HAIR COLORING AGENTS AND NEW 2-NITROANILINE DERIVATIVES
JPS625956A (en) * 1985-07-02 1987-01-12 Terumo Corp Vinyl derivative and 5-lipoxygenase action inhibitor containing same
FR2635524B1 (en) * 1988-08-19 1992-04-24 Adir NOVEL BENZOPYRROLIDINONE DERIVATIVES, THEIR PREPARATION PROCESS AND THE PHARMACEUTICAL COMPOSITIONS CONTAINING THEM
US5169855A (en) * 1990-03-28 1992-12-08 Du Pont Merck Pharmaceutical Company Piperidine ether derivatives as psychotropic drugs or plant fungicides
IT1251144B (en) * 1991-07-30 1995-05-04 Boehringer Ingelheim Italia BENZIMIDAZOLONE DERIVATIVES
US5476853A (en) * 1992-03-23 1995-12-19 Janssen Pharmaceutica N.V. Agent for use as an anti-irritant
EP0600318B1 (en) * 1992-11-29 1998-04-08 Clariant GmbH Asymmetric, halogenated benzophenones and process for their preparation
US5883094A (en) * 1995-04-24 1999-03-16 Pfizer Inc. Benzimidazolone derivatives with central dopaminergic activity
US5889010A (en) * 1995-05-18 1999-03-30 Pfizer Inc. Benzimidazole derivatives having dopaminergic activity
IT1292409B1 (en) * 1997-06-24 1999-02-08 Bidachem Spa PROCEDURE FOR THE PREPARATION OF OXATOMIDE
GB0009479D0 (en) * 2000-04-17 2000-06-07 Cipla Limited Antihistaminic compounds
WO2002024661A2 (en) * 2000-09-19 2002-03-28 Boehringer Ingelheim Pharma Gmbh & Co. Kg New n, n'-disubstituted benzimidazolone derivatives with affinity at the serotonin and dopamine receptors
JPWO2002060878A1 (en) * 2001-01-30 2004-06-03 住友製薬株式会社 Benzimidazolidinone derivatives
JP2006525299A (en) * 2003-05-01 2006-11-09 ヴァーナリス リサーチ リミテッド Azetidine carboxamide derivatives and their use in the treatment of CB1 receptor mediated disorders
MY150958A (en) * 2005-06-16 2014-03-31 Astrazeneca Ab Compounds for the treatment of multi-drug resistant bacterial infections
EP2024364A1 (en) * 2006-05-26 2009-02-18 Neuromed Pharmaceuticals, Ltd. Heterocyclic compounds as calcium channel blockers
WO2010128516A2 (en) * 2009-05-04 2010-11-11 Symed Labs Limited Process for the preparation of flibanserin involving novel intermediates
CN104926734B (en) * 2015-07-07 2017-04-05 苏州立新制药有限公司 The preparation method of flibanserin

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2882271A (en) * 1959-04-14 Xcixcxh
US3362956A (en) * 1965-08-19 1968-01-09 Sterling Drug Inc 1-[(heterocyclyl)-lower-alkyl]-4-substituted-piperazines
US3369022A (en) * 1966-11-07 1968-02-13 Robins Co Inc A H 3-piperazinoalkyl-2-benzoxazolinones
JPS5070389A (en) * 1973-10-30 1975-06-11

Also Published As

Publication number Publication date
NO771168L (en) 1977-10-04
NZ183506A (en) 1980-04-28
CH634317A5 (en) 1983-01-31
NL190522C (en) 1994-04-05
SU683621A3 (en) 1979-08-30
FI771020A (en) 1977-10-03
FR2346350B1 (en) 1980-10-17
YU39992B (en) 1985-06-30
MY8400208A (en) 1984-12-31
YU56677A (en) 1983-01-21
DK153477C (en) 1988-11-21
JPS6231707B2 (en) 1987-07-09
FI66178C (en) 1984-09-10
KE3338A (en) 1983-11-25
PT66384A (en) 1977-05-01
SE7703842L (en) 1977-10-03
CY1210A (en) 1984-04-06
BG36044A3 (en) 1984-08-15
DK145977A (en) 1977-10-03
ES456690A1 (en) 1978-07-16
LU77052A1 (en) 1977-07-22
DK153477B (en) 1988-07-18
FR2346350A1 (en) 1977-10-28
HU179491B (en) 1982-10-28
AU2382477A (en) 1978-10-05
JPS52122380A (en) 1977-10-14
EG12722A (en) 1981-06-30
PH12951A (en) 1979-10-18
PT66384B (en) 1979-01-31
GR62465B (en) 1979-04-13
NO146774B (en) 1982-08-30
DE2714437C2 (en) 1989-05-11
NL7703564A (en) 1977-10-04
CS191337B2 (en) 1979-06-29
AT357541B (en) 1980-07-10
FI66178B (en) 1984-05-31
DE2714437A1 (en) 1977-10-20
GB1579365A (en) 1980-11-19
NL190522B (en) 1993-11-01
ATA230477A (en) 1979-12-15
CA1097646A (en) 1981-03-17
AU515173B2 (en) 1981-03-19
IL51797A0 (en) 1977-05-31
IE44942L (en) 1977-10-02
IL51797A (en) 1981-09-13
IT1086841B (en) 1985-05-31
SE431333B (en) 1984-01-30
IE44942B1 (en) 1982-05-19

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