DE2326784C3 - Verfahren zur Herstellung von Chinoxalin, insbesondere aus nicht gereinigten Rohstoffen - Google Patents

Verfahren zur Herstellung von Chinoxalin, insbesondere aus nicht gereinigten Rohstoffen

Info

Publication number
DE2326784C3
DE2326784C3 DE2326784A DE2326784A DE2326784C3 DE 2326784 C3 DE2326784 C3 DE 2326784C3 DE 2326784 A DE2326784 A DE 2326784A DE 2326784 A DE2326784 A DE 2326784A DE 2326784 C3 DE2326784 C3 DE 2326784C3
Authority
DE
Germany
Prior art keywords
solution
quinoxaline
added
glyoxal
phenylenediamine
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.)
Expired
Application number
DE2326784A
Other languages
German (de)
English (en)
Other versions
DE2326784B2 (de
DE2326784A1 (de
Inventor
Boguslaw Posen Hoffmann
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.)
CHEMICZNA SPOLDZIELNIA PRACY SYNTEZA POZNAN PL
Original Assignee
CHEMICZNA SPOLDZIELNIA PRACY SYNTEZA POZNAN PL
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
Priority claimed from PL15586472A external-priority patent/PL89018B1/pl
Application filed by CHEMICZNA SPOLDZIELNIA PRACY SYNTEZA POZNAN PL filed Critical CHEMICZNA SPOLDZIELNIA PRACY SYNTEZA POZNAN PL
Publication of DE2326784A1 publication Critical patent/DE2326784A1/de
Publication of DE2326784B2 publication Critical patent/DE2326784B2/de
Application granted granted Critical
Publication of DE2326784C3 publication Critical patent/DE2326784C3/de
Expired legal-status Critical Current

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
    • C07D241/38—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems with only hydrogen or carbon atoms directly attached to the ring nitrogen atoms
    • C07D241/40—Benzopyrazines
    • C07D241/42—Benzopyrazines with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE2326784A 1972-05-26 1973-05-25 Verfahren zur Herstellung von Chinoxalin, insbesondere aus nicht gereinigten Rohstoffen Expired DE2326784C3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PL15667572 1972-05-26
PL15586472A PL89018B1 (cg-RX-API-DMAC7.html) 1972-06-08 1972-06-08

Publications (3)

Publication Number Publication Date
DE2326784A1 DE2326784A1 (de) 1973-12-06
DE2326784B2 DE2326784B2 (de) 1980-07-31
DE2326784C3 true DE2326784C3 (de) 1981-09-03

Family

ID=26652850

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2326784A Expired DE2326784C3 (de) 1972-05-26 1973-05-25 Verfahren zur Herstellung von Chinoxalin, insbesondere aus nicht gereinigten Rohstoffen

Country Status (8)

Country Link
US (1) US3919223A (cg-RX-API-DMAC7.html)
AT (1) AT326670B (cg-RX-API-DMAC7.html)
CH (1) CH573413A5 (cg-RX-API-DMAC7.html)
DD (1) DD105219A5 (cg-RX-API-DMAC7.html)
DE (1) DE2326784C3 (cg-RX-API-DMAC7.html)
FR (1) FR2189407B1 (cg-RX-API-DMAC7.html)
GB (1) GB1379870A (cg-RX-API-DMAC7.html)
IT (1) IT994870B (cg-RX-API-DMAC7.html)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4091101A (en) * 1977-06-15 1978-05-23 Merck & Co., Inc. 6-(1-Piperazinyl)quinoxaline
USD774215S1 (en) 2014-11-21 2016-12-13 Building Materials Investment Corporation Shingle
USD827158S1 (en) 2014-11-21 2018-08-28 Building Materials Investment Corporation Shingle
US9416539B2 (en) 2014-11-21 2016-08-16 Building Materials Investment Corporation Roofing shingle system and shingles for use therein
CA2912880C (en) 2014-11-21 2018-07-03 Building Materials Investment Corporation Roofing shingle system and shingles for use therein
US9399870B2 (en) 2014-11-21 2016-07-26 Building Materials Investment Corporation Roofing shingle system and shingles for use therein
USD776303S1 (en) 2014-11-21 2017-01-10 Building Materials Investment Corporation Shingle
USD829935S1 (en) 2014-11-21 2018-10-02 Building Materials Investment Corporation Shingle
USD764076S1 (en) 2015-03-13 2016-08-16 Building Materials Investment Corporation Shingle
US9410323B1 (en) 2015-03-13 2016-08-09 Building Materials Investment Corporation Roofing shingle system and shingles for use therein
USD766467S1 (en) 2015-03-13 2016-09-13 Building Materials Investment Corporation Shingle
USD769472S1 (en) 2015-03-13 2016-10-18 Building Materials Investment Corporation Shingle
USD765887S1 (en) 2015-03-26 2016-09-06 Building Materials Investment Corporation Shingle
USD765888S1 (en) 2015-03-26 2016-09-06 Building Materials Investment Corporation Shingle
USD766469S1 (en) 2015-03-26 2016-09-13 Building Materials Investment Corporation Shingle
USD763468S1 (en) 2015-03-26 2016-08-09 Building Materials Investment Corporation Shingle
USD765885S1 (en) 2015-03-26 2016-09-06 Building Materials Investment Corporation Shingle
USD765273S1 (en) 2015-03-26 2016-08-30 Building Materials Investment Corporation Shingle
USD765274S1 (en) 2015-03-26 2016-08-30 Building Materials Investment Corporation Shingle
USD765886S1 (en) 2015-03-26 2016-09-06 Building Materials Investment Corporation Shingle

Also Published As

Publication number Publication date
GB1379870A (en) 1975-01-08
DD105219A5 (cg-RX-API-DMAC7.html) 1974-04-12
FR2189407B1 (cg-RX-API-DMAC7.html) 1976-05-28
DE2326784B2 (de) 1980-07-31
US3919223A (en) 1975-11-11
AT326670B (de) 1975-12-29
CH573413A5 (cg-RX-API-DMAC7.html) 1976-03-15
IT994870B (it) 1975-10-20
DE2326784A1 (de) 1973-12-06
ATA459373A (de) 1975-03-15
FR2189407A1 (cg-RX-API-DMAC7.html) 1974-01-25

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee