DK142199B - Fremgangsmåde til fremstilling af pyrazinoylguanidiner. - Google Patents
Fremgangsmåde til fremstilling af pyrazinoylguanidiner. Download PDFInfo
- Publication number
- DK142199B DK142199B DK494664AA DK494664A DK142199B DK 142199 B DK142199 B DK 142199B DK 494664A A DK494664A A DK 494664AA DK 494664 A DK494664 A DK 494664A DK 142199 B DK142199 B DK 142199B
- Authority
- DK
- Denmark
- Prior art keywords
- carbon atoms
- group
- solution
- propanol
- alkyl
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D475/00—Heterocyclic compounds containing pteridine ring systems
- C07D475/02—Heterocyclic compounds containing pteridine ring systems with an oxygen atom directly attached in position 4
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
Applications Claiming Priority (14)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US23423062A | 1962-10-30 | 1962-10-30 | |
US23423062 | 1962-10-30 | ||
US313315A US3313813A (en) | 1962-10-30 | 1963-10-07 | (3-amino-5, 6-disubstituted-pyrazinoyl) guanidines |
US31331563 | 1963-10-07 | ||
US35604264A | 1964-03-31 | 1964-03-31 | |
US35603964 | 1964-03-31 | ||
US35603864 | 1964-03-31 | ||
US356039A US3316266A (en) | 1964-03-31 | 1964-03-31 | 3-aminopyrazinoic acid derivatives and process for their preparation |
US35604264 | 1964-03-31 | ||
US356038A US3290311A (en) | 1964-03-31 | 1964-03-31 | Derivatives of 3, 5-diamino-6-chloropyrazinoic acid esters and a process for making them |
US35725664A | 1964-04-03 | 1964-04-03 | |
US35725664 | 1964-04-03 | ||
US509217A US3410850A (en) | 1962-10-30 | 1965-11-22 | 4h-pyrazino-[2, 3d][1, 3]oxazin-4-ones and their preparation |
US50921765 | 1965-11-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
DK142199B true DK142199B (da) | 1980-09-22 |
DK142199C DK142199C (ru) | 1981-02-16 |
Family
ID=26999580
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK494664AA DK142199B (da) | 1962-10-30 | 1964-10-07 | Fremgangsmåde til fremstilling af pyrazinoylguanidiner. |
Country Status (6)
Country | Link |
---|---|
US (1) | US3410850A (ru) |
BE (2) | BE651730A (ru) |
CH (2) | CH481939A (ru) |
DK (1) | DK142199B (ru) |
FR (1) | FR95657E (ru) |
NL (1) | NL6409717A (ru) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3549627A (en) * | 1968-04-05 | 1970-12-22 | American Home Prod | 2,6-disubstituted-4h-pyrimido(5,4-d)(1,3)oxazin-4-0nes |
US3549633A (en) * | 1968-11-20 | 1970-12-22 | Merck & Co Inc | Process for preparation of 1-h-imidazo (4,5-b)pyrazin-2-ones |
US4140776A (en) * | 1977-09-16 | 1979-02-20 | Merck & Co., Inc. | N-pyrazinecarbonyl-N'-acylguanidines |
-
1964
- 1964-08-12 BE BE651730D patent/BE651730A/xx unknown
- 1964-08-12 BE BE651729D patent/BE651729A/xx unknown
- 1964-08-21 NL NL6409717A patent/NL6409717A/xx unknown
- 1964-08-25 CH CH1111464A patent/CH481939A/de not_active IP Right Cessation
- 1964-08-25 FR FR986159A patent/FR95657E/fr not_active Expired
- 1964-10-07 DK DK494664AA patent/DK142199B/da not_active IP Right Cessation
- 1964-12-18 CH CH1635164A patent/CH469721A/de unknown
-
1965
- 1965-11-22 US US509217A patent/US3410850A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
NL6409717A (ru) | 1965-10-04 |
CH469721A (de) | 1969-03-15 |
BE651729A (ru) | 1965-02-12 |
FR95657E (fr) | 1971-04-16 |
CH481939A (de) | 1969-11-30 |
US3410850A (en) | 1968-11-12 |
BE651730A (ru) | 1965-02-12 |
DK142199C (ru) | 1981-02-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Copeland et al. | The preparation and reactions of 2-benzimidazolecarboxylic acid and 2-benzimidazoleacetic acid | |
SU727142A3 (ru) | Способ получени замещенных 1-сульфонилбензимидазолов | |
Caldwell et al. | Substituted 2-sulfonamido-5-aminopyridines | |
Yamazaki et al. | Synthesis of inosine, 2-alkylinosine, and xanthosine from 5-amino-1-. beta.-D-ribofuranosyl-4-imidazolecarboxamide | |
NO764039L (ru) | ||
Ellingson et al. | Pyrazine Chemistry. I. Derivatives of 3-Aminopyrazinoic Acid | |
DK142199B (da) | Fremgangsmåde til fremstilling af pyrazinoylguanidiner. | |
Angier et al. | Pteridine chemistry. II. The action of excess nitrous acid upon pteroylglutamic acid and derivatives | |
Lin et al. | The Synthesis of sym-Diaminotetrazine1a, 1b | |
Heymann et al. | Derivatives of p, p'-Diaminodiphenyl Sulfone1a | |
Hatchard | The Synthesis of Isothiazoles. II. 3, 5-Dimercapto-4-isothiazolecarbonitrile and Its Derivatives | |
NO126084B (ru) | ||
US2637731A (en) | Imidazopyridines | |
RICHTER | 5-Amino-6-nitroacenaphthene | |
SU656521A3 (ru) | Способ получени производных тиено(3,2-с) пиридина или их солей | |
US3245998A (en) | Processes for the production of picolinic acid dericatives | |
US2524802A (en) | Hydroxybenzenesulfonamidopyridazines and preparation of same | |
SU591150A3 (ru) | Способ получени производных нитроимидазолилтриазолопиридазина или их солей | |
US2749345A (en) | Pyrimidine compounds | |
US2496364A (en) | 3 - sulfanilamido-benzotriazines-1,2,4 and method for their preparation | |
Kim et al. | Ring closure reaction of 4‐(2‐hydroxyanilino)‐2‐phenyl‐5‐pyrimidinecarboxylic acid with acetic anhydride. Synthesis of pyrimido [5, 4‐c][1, 5] benzoxazepin‐5 (11H) ones | |
VanAllan et al. | Reactions of some 4‐dicyanomethylenepyran derivatives with malononitrile and hydrazines | |
US3155665A (en) | 4, 6-dialkyl-5, 7-diketothiazolo [4, 5-d] pyrimidine-2-carboxylic acid and derivatives thereof | |
Asao | On Pyrazino [d, d′] ditropone and its Derivatives | |
NO137584B (no) | Utsettings- og opptagingssjakt for en dykkerklokke |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUP | Patent expired |