BE781991A - CYANOPYRAZINES, CARBAMOYLDIAMINOPYRAZINES AND 3-DIAMINOPYRAZINOIC ACIDS AND THEIR PREPARATION - Google Patents

CYANOPYRAZINES, CARBAMOYLDIAMINOPYRAZINES AND 3-DIAMINOPYRAZINOIC ACIDS AND THEIR PREPARATION

Info

Publication number
BE781991A
BE781991A BE781991A BE781991A BE781991A BE 781991 A BE781991 A BE 781991A BE 781991 A BE781991 A BE 781991A BE 781991 A BE781991 A BE 781991A BE 781991 A BE781991 A BE 781991A
Authority
BE
Belgium
Prior art keywords
diaminopyrazinoic
carbamoyldiaminopyrazines
cyanopyrazines
acids
preparation
Prior art date
Application number
BE781991A
Other languages
French (fr)
Inventor
D S Donald
Original Assignee
Du Pont
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 US05/232,206 external-priority patent/US3948895A/en
Priority claimed from US00232207A external-priority patent/US3814757A/en
Application filed by Du Pont filed Critical Du Pont
Publication of BE781991A publication Critical patent/BE781991A/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D241/00Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
    • C07D241/02Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings
    • C07D241/10Heterocyclic 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
    • C07D241/14Heterocyclic 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
    • C07D241/24Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D241/26Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals with nitrogen atoms directly attached to ring carbon atoms
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/40Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
    • C08G59/50Amines
    • C08G59/5046Amines heterocyclic
    • C08G59/5053Amines heterocyclic containing only nitrogen as a heteroatom
    • C08G59/5073Amines heterocyclic containing only nitrogen as a heteroatom having two nitrogen atoms in the ring
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/26Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
BE781991A 1971-04-13 1972-04-12 CYANOPYRAZINES, CARBAMOYLDIAMINOPYRAZINES AND 3-DIAMINOPYRAZINOIC ACIDS AND THEIR PREPARATION BE781991A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US13372471A 1971-04-13 1971-04-13
US18457871A 1971-09-28 1971-09-28
US05/232,206 US3948895A (en) 1971-09-28 1972-03-06 Synthesis of 3,5-diaminopyrazinoic acid from 3,5-diamino-2,6-dicyanopyrazine and intermediates
US00232207A US3814757A (en) 1971-04-13 1972-03-06 Diamino substituted dicyano pyrazines and process

Publications (1)

Publication Number Publication Date
BE781991A true BE781991A (en) 1972-10-12

Family

ID=27495054

Family Applications (1)

Application Number Title Priority Date Filing Date
BE781991A BE781991A (en) 1971-04-13 1972-04-12 CYANOPYRAZINES, CARBAMOYLDIAMINOPYRAZINES AND 3-DIAMINOPYRAZINOIC ACIDS AND THEIR PREPARATION

Country Status (5)

Country Link
BE (1) BE781991A (en)
DE (1) DE2216925A1 (en)
FR (1) FR2132870A1 (en)
IL (1) IL39114A0 (en)
NL (1) NL7204981A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3948895A (en) * 1971-09-28 1976-04-06 E. I. Du Pont De Nemours And Company Synthesis of 3,5-diaminopyrazinoic acid from 3,5-diamino-2,6-dicyanopyrazine and intermediates
CH606253A5 (en) * 1977-01-07 1978-10-31 Ciba Geigy Ag
WO2007149479A1 (en) 2006-06-22 2007-12-27 Mallinckrodt Inc. Pyrazine derivatives and uses thereof in renal monitoring
ES2345209T3 (en) 2004-12-23 2010-09-17 Mallinckrodt Inc. FLUORESCENT PIRAZINE DERIVATIVES AND THE SAME USE METHOD IN THE EVALUATION OF RENAL FUNCTION
WO2013102006A1 (en) * 2011-12-29 2013-07-04 Dow Global Technologies Llc Epoxy coating systems using polycyclic polyamines as epoxy hardeners

Also Published As

Publication number Publication date
FR2132870A1 (en) 1972-11-24
NL7204981A (en) 1972-10-17
DE2216925A1 (en) 1972-10-19
IL39114A0 (en) 1972-05-30

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