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GB1333322A - Process for the preparation of a 7-chloro-benzodiazepine - Google Patents

Process for the preparation of a 7-chloro-benzodiazepine

Info

Publication number
GB1333322A
GB1333322A GB1333322DA GB1333322A GB 1333322 A GB1333322 A GB 1333322A GB 1333322D A GB1333322D A GB 1333322DA GB 1333322 A GB1333322 A GB 1333322A
Authority
GB
United Kingdom
Prior art keywords
benzodiazepine
chloro
preparation
march
ravizza
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
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.)
Ravizza SA
Ravizza SpA
Original Assignee
Ravizza SA
Ravizza SpA
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 Ravizza SA, Ravizza SpA filed Critical Ravizza SA
Publication of GB1333322A publication Critical patent/GB1333322A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D243/00—Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms
    • C07D243/06—Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms having the nitrogen atoms in positions 1 and 4
    • C07D243/10—Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms having the nitrogen atoms in positions 1 and 4 condensed with carbocyclic rings or ring systems
    • C07D243/14—1,4-Benzodiazepines; Hydrogenated 1,4-benzodiazepines
    • C07D243/16—1,4-Benzodiazepines; Hydrogenated 1,4-benzodiazepines substituted in position 5 by aryl radicals
    • C07D243/18—1,4-Benzodiazepines; Hydrogenated 1,4-benzodiazepines substituted in position 5 by aryl radicals substituted in position 2 by nitrogen, oxygen or sulfur atoms
    • C07D243/24—Oxygen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

1333322 Benzodiazepine RAVIZZA SA 2 March 1972 [5 March 1971] 6139/71 Heading C2C 7 - Chloro - 5 - phenyl - 2,3 - dihydro - 1H- 1,4 - benzodiazepinone-(2) is prepared by cyclizing 2-chloroacetamido-5-chlorobenzophenone with ammonia in dimethyl sulphoxide. Reference has been directed by the Comptroller to Specification 972,968.
GB1333322D 1971-03-05 1971-03-05 Process for the preparation of a 7-chloro-benzodiazepine Expired GB1333322A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB613971 1971-03-05

Publications (1)

Publication Number Publication Date
GB1333322A true GB1333322A (en) 1973-10-10

Family

ID=9809140

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1333322D Expired GB1333322A (en) 1971-03-05 1971-03-05 Process for the preparation of a 7-chloro-benzodiazepine

Country Status (6)

Country Link
AT (1) AT340929B (en)
CH (1) CH530406A (en)
ES (1) ES396635A1 (en)
FR (1) FR2128273B1 (en)
GB (1) GB1333322A (en)
NL (1) NL7115791A (en)

Also Published As

Publication number Publication date
FR2128273B1 (en) 1974-09-13
NL7115791A (en) 1972-09-07
ES396635A1 (en) 1974-05-16
AT340929B (en) 1978-01-10
FR2128273A1 (en) 1972-10-20
CH530406A (en) 1972-11-15

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Legal Events

Date Code Title Description
PS Patent sealed
PLE Entries relating assignments, transmissions, licences in the register of patents
PCNP Patent ceased through non-payment of renewal fee