NL142963B - PROCESS FOR THE PREPARATION OF QUINOXALINE DI-N-OXYDES FROM A BENZOFURAZANOXIDE. - Google Patents

PROCESS FOR THE PREPARATION OF QUINOXALINE DI-N-OXYDES FROM A BENZOFURAZANOXIDE.

Info

Publication number
NL142963B
NL142963B NL6714882A NL6714882A NL142963B NL 142963 B NL142963 B NL 142963B NL 6714882 A NL6714882 A NL 6714882A NL 6714882 A NL6714882 A NL 6714882A NL 142963 B NL142963 B NL 142963B
Authority
NL
Netherlands
Prior art keywords
benzofurazanoxide
oxydes
quinoxaline
preparation
Prior art date
Application number
NL6714882A
Other languages
Dutch (nl)
Other versions
NL6714882A (en
Original Assignee
Research Corp
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 Research Corp filed Critical Research Corp
Publication of NL6714882A publication Critical patent/NL6714882A/xx
Priority to US04/883,577 priority Critical patent/US4343942A/en
Publication of NL142963B publication Critical patent/NL142963B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
    • C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
    • C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
    • C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
    • C07D235/22—Benzimidazoles; Hydrogenated benzimidazoles with hetero atoms directly attached to ring nitrogen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
    • C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
    • C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
    • C07D235/24—Benzimidazoles; Hydrogenated benzimidazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
    • 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
NL6714882A 1966-11-08 1967-11-02 PROCESS FOR THE PREPARATION OF QUINOXALINE DI-N-OXYDES FROM A BENZOFURAZANOXIDE. NL142963B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US04/883,577 US4343942A (en) 1966-11-08 1969-12-09 Quinoxaline derivatives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US59272966A 1966-11-08 1966-11-08

Publications (2)

Publication Number Publication Date
NL6714882A NL6714882A (en) 1968-05-09
NL142963B true NL142963B (en) 1974-08-15

Family

ID=24371839

Family Applications (2)

Application Number Title Priority Date Filing Date
NL6714882A NL142963B (en) 1966-11-08 1967-11-02 PROCESS FOR THE PREPARATION OF QUINOXALINE DI-N-OXYDES FROM A BENZOFURAZANOXIDE.
NL7208887A NL7208887A (en) 1966-11-08 1972-06-28

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL7208887A NL7208887A (en) 1966-11-08 1972-06-28

Country Status (11)

Country Link
BE (1) BE734065A (en)
BR (1) BR6794475D0 (en)
CA (1) CA1002523B (en)
CH (1) CH473815A (en)
DE (1) DE1695653A1 (en)
DK (3) DK137493B (en)
ES (1) ES347329A1 (en)
FR (1) FR1583663A (en)
GB (1) GB1134729A (en)
NL (2) NL142963B (en)
SE (3) SE390023B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH538488A (en) * 1969-12-12 1973-06-30 Hoffmann La Roche Process for the preparation of heterocyclic compounds
US3752812A (en) * 1970-02-05 1973-08-14 Pfizer 2-trifluoromethylquinoxalinedi n oxides
DE2107301A1 (en) * 1970-02-25 1971-09-09 CIBA Geigy AG, Basel (Schweiz) New heterocyclic compounds and processes for their preparation
US3767657A (en) * 1971-03-31 1973-10-23 Pfizer Process for the preparation of quinoxaline di n oxides
HU169049B (en) * 1974-06-18 1976-09-28
IT7869686A0 (en) * 1978-11-24 1978-11-24 Loranze Torino A PROCEDURE FOR THE PREPARATION OF 2METHYL 3 BIDROXYETHYL CARBAMOLQUINOXALINE I.4 PURE DI N OXIDE AND OTHER COMPOUNDS SIMILAR TO IT
DE19933187A1 (en) * 1999-07-15 2001-01-18 Henkel Kgaa Agent for dyeing keratin fibers

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1670693C3 (en) * 1966-05-04 1975-10-16 Bayer Ag, 5090 Leverkusen Process for the preparation of quinoxaline di-N-oxides

Also Published As

Publication number Publication date
DK120800B (en) 1971-07-19
SE367414B (en) 1974-05-27
DK137493B (en) 1978-03-13
FR1583663A (en) 1969-11-28
CA1002523B (en) 1976-12-28
CH473815A (en) 1969-06-15
ES347329A1 (en) 1969-02-01
BE734065A (en) 1969-11-17
DK124886B (en) 1972-12-04
BR6794475D0 (en) 1973-03-07
NL7208887A (en) 1972-09-25
GB1134729A (en) 1968-11-27
NL6714882A (en) 1968-05-09
DE1695653A1 (en) 1972-04-20
SE390023B (en) 1976-11-29
SE402289B (en) 1978-06-26
DK137493C (en) 1978-08-28

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Legal Events

Date Code Title Description
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: RESEARCH CORP

V4 Lapsed because of reaching the maxim lifetime of a patent