CA1126269A - Process for the preparation of imidazobenzodiazepines - Google Patents

Process for the preparation of imidazobenzodiazepines

Info

Publication number
CA1126269A
CA1126269A CA348,470A CA348470A CA1126269A CA 1126269 A CA1126269 A CA 1126269A CA 348470 A CA348470 A CA 348470A CA 1126269 A CA1126269 A CA 1126269A
Authority
CA
Canada
Prior art keywords
methyl
compound
formula
chloro
acid
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
CA348,470A
Other languages
English (en)
French (fr)
Inventor
George F. Field
William J. Zally
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.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche 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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Application granted granted Critical
Publication of CA1126269A publication Critical patent/CA1126269A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
    • C07D233/64—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms, e.g. histidine
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
    • 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
    • C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
    • C07C45/511—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups
    • C07C45/515—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups the singly bound functional group being an acetalised, ketalised hemi-acetalised, or hemi-ketalised hydroxyl group
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00—Compounds having —CHO groups
    • C07C47/02—Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen
    • C07C47/14—Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen containing halogen
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Dentistry (AREA)
  • Wood Science & Technology (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Agronomy & Crop Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Plural Heterocyclic Compounds (AREA)
CA348,470A 1979-03-29 1980-03-26 Process for the preparation of imidazobenzodiazepines Expired CA1126269A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US25,219 1979-03-29
US06/025,219 US4194049A (en) 1979-03-29 1979-03-29 2-[[2-Methyl-1-[2-benzoyl(or benzyl)phenyl]-1H-imidazol-5-yl]methyl]-1H-isoindole-1,3(2H)-diones
US8690979A 1979-10-22 1979-10-22
US86,909 1979-10-22

Publications (1)

Publication Number Publication Date
CA1126269A true CA1126269A (en) 1982-06-22

Family

ID=26699457

Family Applications (1)

Application Number Title Priority Date Filing Date
CA348,470A Expired CA1126269A (en) 1979-03-29 1980-03-26 Process for the preparation of imidazobenzodiazepines

Country Status (11)

Country Link
US (1) US4194049A (show.php)
EP (1) EP0017181A1 (show.php)
JP (1) JPS55147285A (show.php)
KR (1) KR830001967B1 (show.php)
CA (1) CA1126269A (show.php)
DK (1) DK135380A (show.php)
ES (1) ES490022A0 (show.php)
FI (1) FI800943A7 (show.php)
GR (1) GR67758B (show.php)
NO (1) NO800899L (show.php)
PT (1) PT71031B (show.php)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4250095A (en) * 1979-07-25 1981-02-10 Hoffmann-La Roche Inc. Imidazobenzodiazepines
FR2617478B1 (fr) * 1987-07-01 1990-01-05 Esteve Labor Dr Nouveaux derives d'aryl-heteroaryl cetones, leur procede de preparation ainsi que leur application a titre de medicament
ES2004809A6 (es) * 1987-07-29 1989-02-01 Ferrer Int Procedimiento de obtencion de nuevas 1-(2-(fenilmetil)fenil)piperazinas
US5565577A (en) * 1992-09-23 1996-10-15 Smithkline Beecham Corporation Process for preparing 1-alkyaryl-2-alkyl-5-formylimidazole
IN184976B (show.php) * 1996-06-13 2000-10-14 Ranbaxy Lab Ltd
CA2206219A1 (en) * 1996-06-13 1997-12-13 Ranbaxy Laboratories Limited A novel process for the manufacture of 8-chloro-6-(2-fluorophenyl)-1-methyl-4h-imidazo [1,5a] [1,4] benzodiazepine (midazolam)
ZA974769B (en) * 1996-10-09 1997-12-30 Ranbaxy Lab Ltd A novel process for the manufacture of 8-chloro-6-(2-flourophenyl)-1-methyl-4H-imidazo (1,5A) (1,4) benzodiazepine (midazolam).
CN116041222B (zh) * 2021-09-02 2025-01-07 成都硕德药业有限公司 一种咪达唑仑的制备方法及其中间体
CN115894192A (zh) * 2022-12-05 2023-04-04 苏州诚和医药化学有限公司 一种2-溴丙二醛的合成方法、应用及2-溴丙二醛

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1055490A (en) * 1974-06-19 1979-05-29 Upjohn Company (The) Process for preparing triazolobenzodiazepines
US3941803A (en) * 1975-03-28 1976-03-02 The Upjohn Company 2-(Imidazol-1-yl)benzophenones
US4169150A (en) * 1975-11-12 1979-09-25 Teijin Limited Benzodiazepine derivatives and pharmaceutical compositions containing said derivatives
US4005099A (en) * 1975-11-21 1977-01-25 The Upjohn Company 1-[(Dimethylamino)-methyl]-6-aryl-4H-imidazo[1,5-a][1,4]benzodiazepines

Also Published As

Publication number Publication date
ES8104291A1 (es) 1981-04-16
PT71031A (en) 1980-04-01
FI800943A7 (fi) 1981-01-01
EP0017181A1 (de) 1980-10-15
NO800899L (no) 1980-09-30
GR67758B (show.php) 1981-09-22
KR830001936A (ko) 1983-05-19
KR830001967B1 (ko) 1983-09-29
PT71031B (en) 1981-06-25
DK135380A (da) 1980-09-30
ES490022A0 (es) 1981-04-16
US4194049A (en) 1980-03-18
JPS55147285A (en) 1980-11-17

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Legal Events

Date Code Title Description
MKEX Expiry