BE781991A - Cyanopyrazines, carbamoyldiaminopyrazines et acides 3-diaminopyrazinoiques et leur preparation - Google Patents

Cyanopyrazines, carbamoyldiaminopyrazines et acides 3-diaminopyrazinoiques et leur 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
English (en)
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/xx

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
    • C07D241/24—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D241/26—Carbon 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates 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
    • C08G59/18—Macromolecules 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
    • C08G59/40—Macromolecules 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
    • C08G59/50—Amines
    • C08G59/5046—Amines heterocyclic
    • C08G59/5053—Amines heterocyclic containing only nitrogen as a heteroatom
    • C08G59/5073—Amines heterocyclic containing only nitrogen as a heteroatom having two nitrogen atoms in the ring
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/26—Polyamides 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)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
BE781991A 1971-04-13 1972-04-12 Cyanopyrazines, carbamoyldiaminopyrazines et acides 3-diaminopyrazinoiques et leur preparation BE781991A (fr)

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 (fr) 1972-10-12

Family

ID=27495054

Family Applications (1)

Application Number Title Priority Date Filing Date
BE781991A BE781991A (fr) 1971-04-13 1972-04-12 Cyanopyrazines, carbamoyldiaminopyrazines et acides 3-diaminopyrazinoiques et leur preparation

Country Status (5)

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

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 (xx) * 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
US8778309B2 (en) * 2004-12-23 2014-07-15 Medibeacon Llc Fluorescent pyrazine derivatives and methods of using the same in assessing renal function
US9688875B2 (en) 2011-12-29 2017-06-27 Dow Global Technologies Llc Epoxy coating systems using polycyclic polyamines as epoxy hardeners

Also Published As

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

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