ES8203896A1 - Procedimiento para preparar 2,3-dihidroimidazo(1,2-b)pirida-zinas - Google Patents

Procedimiento para preparar 2,3-dihidroimidazo(1,2-b)pirida-zinas

Info

Publication number
ES8203896A1
ES8203896A1 ES498541A ES498541A ES8203896A1 ES 8203896 A1 ES8203896 A1 ES 8203896A1 ES 498541 A ES498541 A ES 498541A ES 498541 A ES498541 A ES 498541A ES 8203896 A1 ES8203896 A1 ES 8203896A1
Authority
ES
Spain
Prior art keywords
alkylaminophenyl
pyridazine derivatives
dihydroimidazo
preparation
radical
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES498541A
Other languages
English (en)
Other versions
ES498541A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Synthelabo SA
Original Assignee
Synthelabo SA
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 Synthelabo SA filed Critical Synthelabo SA
Publication of ES498541A0 publication Critical patent/ES498541A0/es
Publication of ES8203896A1 publication Critical patent/ES8203896A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
    • C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
    • C07D487/04—Ortho-condensed systems
    • 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
    • A61P25/24—Antidepressants
    • 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
    • A61P25/26—Psychostimulants, e.g. nicotine, cocaine

Landscapes

  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Neurosurgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Neurology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Psychiatry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pain & Pain Management (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Plural Heterocyclic Compounds (AREA)

Abstract

PROCEDIMIENTO PARA LA OBTENCION DE 2,3-DIHIDROIMIDAZO(1,2-B) PIRIDAZINAS Y DE SUS SALES DE ADICION DE ACIDOS FISIOLOGICAMENTE COMPATIBLES, DE FORMULA (I), EN LA QUE R2, ES HIDROGENO O UN RADICAL ALCOHILO C1-4, Y R1 Y R3 PUEDEN SER VARIOS TIPOS DE RADICALES. CONSISTE EN LA REACCION DE CICLISACION DE UN COMPUESTO DE FORMULA (II), E LA QUE R1, R2 Y R3 TIENEN EL MISMO SIGNIFICADO QUE EN LA FORMULA (I), POR TRATAMIENTO POR ACIDO POLIFOSFORICO EN CALIENTE O CON CLORURO DE TIONILO EN UN DISOLVENTE INERTE A LA TEMPERATURA DE REFLUJO, SEGUIDA DE CONCENTRACION POR EVAPORIZACION Y CALENTAMIENTO A LA TEMPERATURA DE REFLUJO EN ETANOL, EN PRESENCIA DE UN CARBONATO O BICARBONATO ALCALINO. ESTOS COMPUESTOS TIENEN APLICACIONES FARMACOLOGICAS COMO AGENTES ANTIDEPRESIVOS.
ES498541A 1980-01-16 1981-01-15 Procedimiento para preparar 2,3-dihidroimidazo(1,2-b)pirida-zinas Expired ES8203896A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8000926A FR2473522A1 (fr) 1980-01-16 1980-01-16 Nouveaux derives substitues de dihydro-2,3 imidazo(1,2-b)pyridazines et les medicaments, utiles notamment comme antidepresseurs, qui en contiennent

Publications (2)

Publication Number Publication Date
ES498541A0 ES498541A0 (es) 1982-04-16
ES8203896A1 true ES8203896A1 (es) 1982-04-16

Family

ID=9237594

Family Applications (1)

Application Number Title Priority Date Filing Date
ES498541A Expired ES8203896A1 (es) 1980-01-16 1981-01-15 Procedimiento para preparar 2,3-dihidroimidazo(1,2-b)pirida-zinas

Country Status (17)

Country Link
US (1) US4353903A (es)
EP (1) EP0032856B1 (es)
JP (1) JPS56103183A (es)
AT (1) ATE2431T1 (es)
AU (1) AU538882B2 (es)
CA (1) CA1155118A (es)
DE (1) DE3160044D1 (es)
DK (1) DK17581A (es)
ES (1) ES8203896A1 (es)
FI (1) FI810103L (es)
FR (1) FR2473522A1 (es)
GR (1) GR73647B (es)
IL (1) IL61911A (es)
NO (1) NO810126L (es)
NZ (1) NZ196018A (es)
PT (1) PT72359B (es)
ZA (1) ZA81269B (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2511366A1 (fr) * 1981-08-11 1983-02-18 Sanofi Sa Nouveaux derives de la pyridazine, leur procede de preparation et les medicaments, actifs sur le systeme nerveux central, qui en contiennent
GB8334210D0 (en) * 1983-12-22 1984-02-01 Roussel Lab Ltd Imidazo(1 2-c)pyrimidines
US4569934A (en) * 1984-10-09 1986-02-11 American Cyanamid Company Imidazo[1,2-b]pyridazines
FR2619818B1 (fr) * 1987-09-01 1990-01-12 Sanofi Sa Imidazo (1,2-b) pyridazines, procede pour leur preparation et compositions pharmaceutiques les contenant
PH27291A (en) * 1989-01-31 1993-05-04 Takeda Chemical Industries Ltd Imidazolpyrimidazines their production and use
WO2021193897A1 (ja) * 2020-03-27 2021-09-30 アステラス製薬株式会社 置換ピリダジン化合物

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3828041A (en) * 1971-02-24 1974-08-06 American Cyanamid Co 6-substituted 3-nitroimidazo(1,2-b)pyridazines and method of preparing same
CA1080712A (en) * 1976-09-22 1980-07-01 Jay D. Albright Hypotensive agents
GB1583911A (en) * 1977-02-09 1981-02-04 Allen & Hanburys Ltd Imidazopyridazines and their use as therapeutic agents

Also Published As

Publication number Publication date
FR2473522B1 (es) 1982-09-17
PT72359B (fr) 1981-12-18
EP0032856B1 (fr) 1983-02-09
AU6624281A (en) 1981-07-23
US4353903A (en) 1982-10-12
DK17581A (da) 1981-07-17
NO810126L (no) 1981-07-17
AU538882B2 (en) 1984-08-30
NZ196018A (en) 1982-09-14
ES498541A0 (es) 1982-04-16
FR2473522A1 (fr) 1981-07-17
ATE2431T1 (de) 1983-03-15
IL61911A0 (en) 1981-02-27
EP0032856A1 (fr) 1981-07-29
DE3160044D1 (en) 1983-03-17
ZA81269B (en) 1982-02-24
PT72359A (fr) 1981-02-01
IL61911A (en) 1983-10-31
GR73647B (es) 1984-03-26
FI810103L (fi) 1981-07-17
JPS56103183A (en) 1981-08-18
CA1155118A (en) 1983-10-11

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19971201