CA967955A - Process for the preparation of benzodiazepines - Google Patents

Process for the preparation of benzodiazepines

Info

Publication number: CA967955A
Authority: CA; Canada
Prior art keywords: benzodiazepines; preparation
Prior art date: 1971-04-06
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

CA138,901A

Other versions

CA138901S (en

Inventor

Robert Y. Ning

Leo H. Sternbach

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.)

1971-04-06

Filing date

1972-04-05

Publication date

1975-05-20

1972-04-05 Application filed by F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG

1975-05-20 Application granted granted Critical

1975-05-20 Publication of CA967955A publication Critical patent/CA967955A/en

Status Expired legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D498/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D498/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
- C07D498/04—Ortho-condensed systems

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Plural Heterocyclic Compounds (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

CA138,901A 1971-04-06 1972-04-05 Process for the preparation of benzodiazepines Expired CA967955A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US13177071A	1971-04-06	1971-04-06

Publications (1)

Publication Number	Publication Date
CA967955A true CA967955A (en)	1975-05-20

Family

ID=22450954

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA138,901A Expired CA967955A (en)	1971-04-06	1972-04-05	Process for the preparation of benzodiazepines

Country Status (7)

Country	Link
AT (1)	AT329061B (en)
CA (1)	CA967955A (en)
CH (1)	CH562219A5 (en)
ES (1)	ES401459A1 (en)
HU (1)	HU168786B (en)
NL (1)	NL7204248A (en)
YU (1)	YU34685B (en)

1972
- 1972-03-28 CH CH463072A patent/CH562219A5/en not_active IP Right Cessation
- 1972-03-29 NL NL7204248A patent/NL7204248A/xx not_active Application Discontinuation
- 1972-04-04 AT AT287872A patent/AT329061B/en not_active IP Right Cessation
- 1972-04-05 ES ES401459A patent/ES401459A1/en not_active Expired
- 1972-04-05 CA CA138,901A patent/CA967955A/en not_active Expired
- 1972-04-06 HU HUHO001468 patent/HU168786B/en unknown
- 1972-04-06 YU YU92972A patent/YU34685B/en unknown

Also Published As

Publication number	Publication date
AT329061B (en)	1976-04-26
YU34685B (en)	1979-12-31
CH562219A5 (en)	1975-05-30
YU92972A (en)	1979-07-10
NL7204248A (en)	1972-10-10
ATA287872A (en)	1975-07-15
HU168786B (en)	1976-07-28
ES401459A1 (en)	1975-02-16

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