DE2334273A1 - Verfahren zur herstellung von benzodiazepinderivaten - Google Patents

Verfahren zur herstellung von benzodiazepinderivaten

Info

Publication number
DE2334273A1
DE2334273A1 DE19732334273 DE2334273A DE2334273A1 DE 2334273 A1 DE2334273 A1 DE 2334273A1 DE 19732334273 DE19732334273 DE 19732334273 DE 2334273 A DE2334273 A DE 2334273A DE 2334273 A1 DE2334273 A1 DE 2334273A1
Authority
DE
Germany
Prior art keywords
nitro
dihydro
benzodiazepin
phenyl
silica gel
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.)
Withdrawn
Application number
DE19732334273
Other languages
German (de)
English (en)
Inventor
Helmut Boemches
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
Publication of DE2334273A1 publication Critical patent/DE2334273A1/de
Withdrawn legal-status Critical Current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
    • C07D243/28—Preparation including building-up the benzodiazepine skeleton from compounds containing no hetero rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
DE19732334273 1972-07-06 1973-07-05 Verfahren zur herstellung von benzodiazepinderivaten Withdrawn DE2334273A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1011972A CH568303A5 (ja) 1972-07-06 1972-07-06

Publications (1)

Publication Number Publication Date
DE2334273A1 true DE2334273A1 (de) 1974-01-24

Family

ID=4359570

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732334273 Withdrawn DE2334273A1 (de) 1972-07-06 1973-07-05 Verfahren zur herstellung von benzodiazepinderivaten

Country Status (8)

Country Link
JP (1) JPS561311B2 (ja)
AT (1) AT336621B (ja)
BE (1) BE801938A (ja)
CH (1) CH568303A5 (ja)
DE (1) DE2334273A1 (ja)
FR (1) FR2192106B1 (ja)
GB (1) GB1385610A (ja)
NL (1) NL7309018A (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114702451B (zh) * 2022-03-29 2024-05-14 国药集团国瑞药业有限公司 一种氯硝西泮及其中间体的制备方法

Also Published As

Publication number Publication date
NL7309018A (ja) 1974-01-08
GB1385610A (en) 1975-02-26
BE801938A (fr) 1974-01-07
JPS561311B2 (ja) 1981-01-13
ATA592573A (de) 1976-09-15
FR2192106B1 (ja) 1977-09-16
FR2192106A1 (ja) 1974-02-08
AT336621B (de) 1977-05-10
JPS4951291A (ja) 1974-05-18
CH568303A5 (ja) 1975-10-31

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