ES259911A1 - Procedimiento para la obtenciën de derivados 3- y 3,5-sustituidos de 2-aminopirazina - Google Patents

Procedimiento para la obtenciën de derivados 3- y 3,5-sustituidos de 2-aminopirazina

Info

Publication number
ES259911A1
ES259911A1 ES0259911A ES259911A ES259911A1 ES 259911 A1 ES259911 A1 ES 259911A1 ES 0259911 A ES0259911 A ES 0259911A ES 259911 A ES259911 A ES 259911A ES 259911 A1 ES259911 A1 ES 259911A1
Authority
ES
Spain
Prior art keywords
aminopyrazine
procedure
obtaining
substituted derivatives
amino
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
ES0259911A
Other languages
English (en)
Inventor
Bruno Camerino
Giorgio Palamidessi
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.)
Pfizer Italia SRL
Original Assignee
Farmaceutici Italia SpA
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 GB24146/59A external-priority patent/GB928151A/en
Application filed by Farmaceutici Italia SpA filed Critical Farmaceutici Italia SpA
Publication of ES259911A1 publication Critical patent/ES259911A1/es
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
    • C07D241/02—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings
    • C07D241/10—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D241/14—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members 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 ring carbon atoms
    • C07D241/20—Nitrogen atoms
    • C07D241/22—Benzenesulfonamido pyrazines
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
    • C07D241/02—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings
    • C07D241/10—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D241/14—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members 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 ring carbon atoms
    • C07D241/20—Nitrogen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

Procedimiento, en el que la 2-amino-3,5-dibromopirazina producida se trata con un alcoholato alcalino metálico en condiciones tales que se produzca 2-amino-3-metoxi-5- bromo-pirazina.
ES0259911A 1959-07-14 1960-07-13 Procedimiento para la obtenciën de derivados 3- y 3,5-sustituidos de 2-aminopirazina Expired ES259911A1 (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB24146/59A GB928151A (en) 1959-07-14 1959-07-14 Pyrazine derivatives
GB883160 1960-03-14
GB883060 1960-03-14
GB1440060 1960-04-25

Publications (1)

Publication Number Publication Date
ES259911A1 true ES259911A1 (es) 1961-12-16

Family

ID=27447683

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0259911A Expired ES259911A1 (es) 1959-07-14 1960-07-13 Procedimiento para la obtenciën de derivados 3- y 3,5-sustituidos de 2-aminopirazina

Country Status (3)

Country Link
CH (1) CH397692A (es)
ES (1) ES259911A1 (es)
FR (1) FR33M (es)

Also Published As

Publication number Publication date
FR33M (fr) 1960-11-28
CH397692A (de) 1965-08-31

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