BE781991A - CYANOPYRAZINES, CARBAMOYLDIAMINOPYRAZINES AND 3-DIAMINOPYRAZINOIC ACIDS AND THEIR PREPARATION - Google Patents
CYANOPYRAZINES, CARBAMOYLDIAMINOPYRAZINES AND 3-DIAMINOPYRAZINOIC ACIDS AND THEIR PREPARATIONInfo
- 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
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)
- Plural Heterocyclic Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
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)
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 |
-
1972
- 1972-03-29 IL IL39114A patent/IL39114A0/en unknown
- 1972-04-08 DE DE19722216925 patent/DE2216925A1/en active Pending
- 1972-04-12 BE BE781991A patent/BE781991A/en unknown
- 1972-04-12 FR FR7212786A patent/FR2132870A1/en not_active Withdrawn
- 1972-04-13 NL NL7204981A patent/NL7204981A/xx unknown
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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