CH634317A5 - Process for preparing piperazine and piperidine derivatives - Google Patents

Process for preparing piperazine and piperidine derivatives Download PDF

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Publication number
CH634317A5
CH634317A5 CH415477A CH415477A CH634317A5 CH 634317 A5 CH634317 A5 CH 634317A5 CH 415477 A CH415477 A CH 415477A CH 415477 A CH415477 A CH 415477A CH 634317 A5 CH634317 A5 CH 634317A5
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CH
Switzerland
Prior art keywords
general formula
base
parts
côhs
acid
Prior art date
Application number
CH415477A
Other languages
German (de)
English (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
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Publication date
Application filed by Janssen Pharmaceutica Nv filed Critical Janssen Pharmaceutica Nv
Publication of CH634317A5 publication Critical patent/CH634317A5/de

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    • 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

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Pulmonology (AREA)
  • Immunology (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Hydrogenated Pyridines (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pyridine Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Thiazole And Isothizaole Compounds (AREA)
CH415477A 1976-04-02 1977-04-01 Process for preparing piperazine and piperidine derivatives CH634317A5 (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 (1)

Publication Number Publication Date
CH634317A5 true CH634317A5 (en) 1983-01-31

Family

ID=27100846

Family Applications (1)

Application Number Title Priority Date Filing Date
CH415477A CH634317A5 (en) 1976-04-02 1977-04-01 Process for preparing piperazine and piperidine derivatives

Country Status (31)

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

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 (es) * 1982-06-17 1983-09-01 Ferrer Int "procedimiento de obtencion de nuevos derivados de piperazina".
DE3442757A1 (de) * 1984-11-23 1986-05-28 Wella Ag, 6100 Darmstadt Verwendung von 2-nitroanilinderivaten in haarfaerbemitteln und neue 2-nitroanilinderivate
JPS625956A (ja) * 1985-07-02 1987-01-12 Terumo Corp ビニル誘導体およびこれを含有する５−リポキシゲナ−ゼ作用阻害剤
FR2635524B1 (fr) * 1988-08-19 1992-04-24 Adir Nouveaux derives de benzopyrrolidinone, leur procede de preparation et les compositions pharmaceutiques les renfermant
US5169855A (en) * 1990-03-28 1992-12-08 Du Pont Merck Pharmaceutical Company Piperidine ether derivatives as psychotropic drugs or plant fungicides
IT1251144B (it) * 1991-07-30 1995-05-04 Boehringer Ingelheim Italia Derivati del benzimidazolone
EP0632717B1 (en) * 1992-03-23 1998-07-08 Janssen Pharmaceutica N.V. Agent for use as an anti-irritant
ES2115709T3 (es) * 1992-11-29 1998-07-01 Clariant Gmbh Nuevas benzofenonas halogenadas asimetricas, y procedimiento para su preparacion.
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 (it) * 1997-06-24 1999-02-08 Bidachem Spa Procedimento per la preparazione di oxatomide
GB0009479D0 (en) * 2000-04-17 2000-06-07 Cipla Limited Antihistaminic compounds
MXPA03002370A (es) * 2000-09-19 2003-10-15 Boehringer Ingelheim Pharma Nuevos derivados bencimidazolona n,n'-disustituidos con afinidad en los receptores de serotonina y dopamina.
US6939887B2 (en) 2001-01-30 2005-09-06 Sumitomo Pharmaceuticals Co., Ltd. Benzimidazolidinone derivatives
US20070173486A1 (en) * 2003-05-01 2007-07-26 Vernalis Research Limited Azetidinecarboxamide derivatives and their use in the treatment of cb1 receptor mediated disordrs
MY150958A (en) * 2005-06-16 2014-03-31 Astrazeneca Ab Compounds for the treatment of multi-drug resistant bacterial infections
WO2007137417A1 (en) * 2006-05-26 2007-12-06 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 (zh) * 2015-07-07 2017-04-05 苏州立新制药有限公司 氟班色林的制备方法

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 (el) * 1973-10-30 1975-06-11

Also Published As

Publication number Publication date
IE44942B1 (en) 1982-05-19
KE3338A (en) 1983-11-25
EG12722A (en) 1981-06-30
IL51797A (en) 1981-09-13
ATA230477A (de) 1979-12-15
DE2714437C2 (el) 1989-05-11
GB1579365A (en) 1980-11-19
AT357541B (de) 1980-07-10
AU515173B2 (en) 1981-03-19
GR62465B (en) 1979-04-13
IL51797A0 (en) 1977-05-31
DK153477C (da) 1988-11-21
DE2714437A1 (de) 1977-10-20
NL190522B (nl) 1993-11-01
PH12951A (en) 1979-10-18
NO771168L (no) 1977-10-04
NZ183506A (en) 1980-04-28
NO146774C (no) 1982-12-08
PT66384A (en) 1977-05-01
YU39992B (en) 1985-06-30
CS191337B2 (en) 1979-06-29
BG36044A3 (en) 1984-08-15
SE431333B (sv) 1984-01-30
CY1210A (en) 1984-04-06
MY8400208A (en) 1984-12-31
DK153477B (da) 1988-07-18
DK145977A (da) 1977-10-03
FI66178B (fi) 1984-05-31
AU2382477A (en) 1978-10-05
FR2346350A1 (fr) 1977-10-28
NO146774B (no) 1982-08-30
LU77052A1 (el) 1977-07-22
IE44942L (en) 1977-10-02
IT1086841B (it) 1985-05-31
FI66178C (fi) 1984-09-10
NL7703564A (nl) 1977-10-04
JPS52122380A (en) 1977-10-14
YU56677A (en) 1983-01-21
FI771020A (el) 1977-10-03
SU683621A3 (ru) 1979-08-30
FR2346350B1 (el) 1980-10-17
HU179491B (en) 1982-10-28
NL190522C (nl) 1994-04-05
ES456690A1 (es) 1978-07-16
SE7703842L (sv) 1977-10-03
CA1097646A (en) 1981-03-17
PT66384B (en) 1979-01-31
JPS6231707B2 (el) 1987-07-09

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