CH422790A - Verfahren zur Herstellung von 6-Nitro-dihydro-1,3-benzoxazin-2,4-dionen - Google Patents

Verfahren zur Herstellung von 6-Nitro-dihydro-1,3-benzoxazin-2,4-dionen

Info

Publication number: CH422790A
Authority: CH; Switzerland
Prior art keywords: benzoxazine; dione; dihydro; nitro; preparation
Prior art date: 1961-06-08

Application number

CH669461A

Other languages

English (en)

Inventor

Chem Gassmann Alois Dr Phil

Original Assignee

Robapharm 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.)

1961-06-08

Filing date

1961-06-08

Publication date

1966-10-31

1961-06-08 Application filed by Robapharm Ag filed Critical Robapharm Ag

1961-06-08 Priority to CH669461A priority Critical patent/CH422790A/de

1962-06-04 Priority to DE19621470181 priority patent/DE1470181A1/de

1962-06-07 Priority to GB2202962A priority patent/GB1003089A/en

1966-10-31 Publication of CH422790A publication Critical patent/CH422790A/de

Links

QVNGETWOMZGVPD-UHFFFAOYSA-N 6-nitro-4a,5-dihydro-1,3-benzoxazine-2,4-dione Chemical compound [N+](=O)([O-])C1=CC=C2C(C(NC(O2)=O)=O)C1 QVNGETWOMZGVPD-UHFFFAOYSA-N 0.000 title 1

Classifications

- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/535—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one oxygen as the ring hetero atoms, e.g. 1,2-oxazines
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D265/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom and one oxygen atom as the only ring hetero atoms
- C07D265/04—1,3-Oxazines; Hydrogenated 1,3-oxazines
- C07D265/12—1,3-Oxazines; Hydrogenated 1,3-oxazines condensed with carbocyclic rings or ring systems
- C07D265/14—1,3-Oxazines; Hydrogenated 1,3-oxazines condensed with carbocyclic rings or ring systems condensed with one six-membered ring
- C07D265/24—1,3-Oxazines; Hydrogenated 1,3-oxazines condensed with carbocyclic rings or ring systems condensed with one six-membered ring with hetero atoms directly attached in positions 2 and 4
- C07D265/26—Two oxygen atoms, e.g. isatoic anhydride

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Organic Chemistry (AREA)
Medicinal Chemistry (AREA)
Pharmacology & Pharmacy (AREA)
Epidemiology (AREA)
Life Sciences & Earth Sciences (AREA)
Animal Behavior & Ethology (AREA)
General Health & Medical Sciences (AREA)
Public Health (AREA)
Veterinary Medicine (AREA)
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)

CH669461A 1961-06-08 1961-06-08 Verfahren zur Herstellung von 6-Nitro-dihydro-1,3-benzoxazin-2,4-dionen CH422790A (de)

Priority Applications (3)

Application Number	Priority Date	Filing Date	Title
CH669461A CH422790A (de)	1961-06-08	1961-06-08	Verfahren zur Herstellung von 6-Nitro-dihydro-1,3-benzoxazin-2,4-dionen
DE19621470181 DE1470181A1 (de)	1961-06-08	1962-06-04	Verfahren zur Herstellung von 6-Nitro-dihydro-1,3-benzoxazin-2,4-dion und seiner Derivate
GB2202962A GB1003089A (en)	1961-06-08	1962-06-07	6-nitro-dihydro-1:3-benzoxazine-2:4-dione and derivatives thereof and a process of making same

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH669461A CH422790A (de)	1961-06-08	1961-06-08	Verfahren zur Herstellung von 6-Nitro-dihydro-1,3-benzoxazin-2,4-dionen

Publications (1)

Publication Number	Publication Date
CH422790A true CH422790A (de)	1966-10-31

Family

ID=4313568

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH669461A CH422790A (de)	1961-06-08	1961-06-08	Verfahren zur Herstellung von 6-Nitro-dihydro-1,3-benzoxazin-2,4-dionen

Country Status (3)

Country	Link
CH (1)	CH422790A (de)
DE (1)	DE1470181A1 (de)
GB (1)	GB1003089A (de)

1961
- 1961-06-08 CH CH669461A patent/CH422790A/de unknown
1962
- 1962-06-04 DE DE19621470181 patent/DE1470181A1/de active Pending
- 1962-06-07 GB GB2202962A patent/GB1003089A/en not_active Expired

Also Published As

Publication number	Publication date
DE1470181A1 (de)	1969-04-10
GB1003089A (en)	1965-09-02

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