NL158492B - Werkwijze ter bereiding van chinoxaline-n,n-dioxyden. - Google Patents

Werkwijze ter bereiding van chinoxaline-n,n-dioxyden.

Info

Publication number
NL158492B
NL158492B NL7511718.A NL7511718A NL158492B NL 158492 B NL158492 B NL 158492B NL 7511718 A NL7511718 A NL 7511718A NL 158492 B NL158492 B NL 158492B
Authority
NL
Netherlands
Prior art keywords
qinoxaline
dioxydes
preparing
preparing qinoxaline
Prior art date
Application number
NL7511718.A
Other languages
English (en)
Dutch (nl)
Other versions
NL7511718A (nl
Original Assignee
Pfizer
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 Pfizer filed Critical Pfizer
Publication of NL7511718A publication Critical patent/NL7511718A/xx
Publication of NL158492B publication Critical patent/NL158492B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
    • C07D241/36—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems
    • C07D241/50—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems with hetero atoms directly attached to ring nitrogen atoms
    • C07D241/52—Oxygen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D271/00—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms
    • C07D271/12—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms condensed with carbocyclic rings or ring systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NL7511718.A 1974-10-15 1975-10-06 Werkwijze ter bereiding van chinoxaline-n,n-dioxyden. NL158492B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/514,451 US3947438A (en) 1974-10-15 1974-10-15 Decarbonylation of quinoxalines

Publications (2)

Publication Number Publication Date
NL7511718A NL7511718A (nl) 1976-04-21
NL158492B true NL158492B (nl) 1978-11-15

Family

ID=24047201

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7511718.A NL158492B (nl) 1974-10-15 1975-10-06 Werkwijze ter bereiding van chinoxaline-n,n-dioxyden.

Country Status (13)

Country Link
US (1) US3947438A (cs)
JP (1) JPS5341674B2 (cs)
BE (1) BE834294A (cs)
CA (1) CA1034951A (cs)
DE (1) DE2541427A1 (cs)
DK (1) DK138539B (cs)
ES (1) ES441597A1 (cs)
FR (1) FR2287906A1 (cs)
GB (1) GB1469190A (cs)
IE (1) IE41602B1 (cs)
IT (1) IT1057910B (cs)
LU (1) LU73555A1 (cs)
NL (1) NL158492B (cs)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3493572A (en) * 1968-07-05 1970-02-03 Pfizer & Co C Process for producing quinoxaline-di-n-oxides

Also Published As

Publication number Publication date
JPS5165779A (cs) 1976-06-07
IT1057910B (it) 1982-03-30
FR2287906A1 (fr) 1976-05-14
DK138539B (da) 1978-09-25
BE834294A (fr) 1976-04-08
US3947438A (en) 1976-03-30
JPS5341674B2 (cs) 1978-11-06
NL7511718A (nl) 1976-04-21
FR2287906B1 (cs) 1978-11-10
DK452575A (cs) 1976-04-16
IE41602B1 (en) 1980-02-13
DE2541427A1 (de) 1976-04-22
GB1469190A (en) 1977-03-30
DK138539C (cs) 1979-02-26
LU73555A1 (cs) 1976-08-19
CA1034951A (en) 1978-07-18
IE41602L (en) 1976-04-15
ES441597A1 (es) 1977-03-01

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Legal Events

Date Code Title Description
VJC Lapsed due to non-payment of the due maintenance fee for the patent or patent application
NL80 Information provided on patent owner name for an already discontinued patent

Owner name: PFIZER