BR8106799A - Processo para a preparacao de hetericiclos de nitrogenio - Google Patents

Processo para a preparacao de hetericiclos de nitrogenio

Info

Publication number
BR8106799A
BR8106799A BR8106799A BR8106799A BR8106799A BR 8106799 A BR8106799 A BR 8106799A BR 8106799 A BR8106799 A BR 8106799A BR 8106799 A BR8106799 A BR 8106799A BR 8106799 A BR8106799 A BR 8106799A
Authority
BR
Brazil
Prior art keywords
hetericycles
nitrogen
preparation
nitrogen hetericycles
Prior art date
Application number
BR8106799A
Other languages
English (en)
Inventor
Heinz Ulrich Blank
Norbert Langenfeld
Original Assignee
Bayer 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.)
Filing date
Publication date
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of BR8106799A publication Critical patent/BR8106799A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B39/00—Halogenation
    • 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
    • C07D241/44—Benzopyrazines 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 to carbon atoms of the hetero ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR8106799A 1980-10-23 1981-10-22 Processo para a preparacao de hetericiclos de nitrogenio BR8106799A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803040000 DE3040000A1 (de) 1980-10-23 1980-10-23 Herstellung von in a -stellung chlorierten stickstoff-heterocyclen

Publications (1)

Publication Number Publication Date
BR8106799A true BR8106799A (pt) 1982-07-06

Family

ID=6115025

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8106799A BR8106799A (pt) 1980-10-23 1981-10-22 Processo para a preparacao de hetericiclos de nitrogenio

Country Status (4)

Country Link
EP (1) EP0050790B1 (pt)
JP (1) JPS5798274A (pt)
BR (1) BR8106799A (pt)
DE (2) DE3040000A1 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4313586A1 (de) * 1993-04-26 1994-10-27 Bayer Ag Verfahren zur Herstellung von Chinoxalinen
EP0685468A1 (en) 1994-06-03 1995-12-06 Mochida Pharmaceutical Co., Ltd. Pyrazine and quinoxaline derivatives and their use as anti-ulcer agents

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE910893C (de) * 1951-07-10 1954-05-06 American Cyanamid Co Verfahren zur Herstellung von chlorierten Triazinen
DE1178052B (de) * 1959-08-12 1964-09-17 Badische Anilin- &. Soda-Fabrik Aktiengesellschaft, Ludwigshafen/Rhein Verfahren zur Herstellung von heterocyclischen Verbindungne, die mindestens ein einem Ringstickstoffatom benachbartes Chloratom enthalten.
US3282941A (en) * 1962-12-05 1966-11-01 Du Pont Chloro-quinoxaline-dicarboxylic anhydrides
US3510487A (en) * 1966-12-28 1970-05-05 Merck & Co Inc Substituted-2,3-dichloroquinoxalines and processes for preparing same

Also Published As

Publication number Publication date
JPS6225663B2 (pt) 1987-06-04
DE3167861D1 (en) 1985-01-31
EP0050790B1 (de) 1984-12-19
EP0050790A1 (de) 1982-05-05
JPS5798274A (en) 1982-06-18
DE3040000A1 (de) 1982-06-03

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