ZA853570B - Process for the preparation of 4(3h)quinazolinones - Google Patents
Process for the preparation of 4(3h)quinazolinonesInfo
- Publication number
- ZA853570B ZA853570B ZA853570A ZA853570A ZA853570B ZA 853570 B ZA853570 B ZA 853570B ZA 853570 A ZA853570 A ZA 853570A ZA 853570 A ZA853570 A ZA 853570A ZA 853570 B ZA853570 B ZA 853570B
- Authority
- ZA
- South Africa
- Prior art keywords
- quinazolinones
- preparation
- trialkoxymethane
- aminotetrazole
- tetrazol
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D257/00—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms
- C07D257/02—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms not condensed with other rings
- C07D257/04—Five-membered rings
- C07D257/06—Five-membered rings with nitrogen atoms directly attached to the ring carbon atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
- C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
- C07D403/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings directly linked by a ring-member-to-ring-member bond
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Plural Heterocyclic Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Pyrrole Compounds (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Cosmetics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/610,456 US4644065A (en) | 1984-05-15 | 1984-05-15 | Process for the preparation of 4(3H)-quinazolinones |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA853570B true ZA853570B (en) | 1985-12-24 |
Family
ID=24445080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA853570A ZA853570B (en) | 1984-05-15 | 1985-05-10 | Process for the preparation of 4(3h)quinazolinones |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US4644065A (xx) |
| EP (1) | EP0161661B1 (xx) |
| JP (1) | JPS60248685A (xx) |
| KR (1) | KR880002627B1 (xx) |
| AT (1) | ATE58733T1 (xx) |
| AU (1) | AU570604B2 (xx) |
| CA (1) | CA1252094A (xx) |
| DE (1) | DE3580698D1 (xx) |
| DK (1) | DK214185A (xx) |
| ES (1) | ES8603484A1 (xx) |
| FI (1) | FI88720C (xx) |
| GR (1) | GR851154B (xx) |
| HU (1) | HU193755B (xx) |
| IL (1) | IL75162A (xx) |
| NO (1) | NO159792C (xx) |
| NZ (1) | NZ212054A (xx) |
| PH (1) | PH21159A (xx) |
| PT (1) | PT80454B (xx) |
| ZA (1) | ZA853570B (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4761474A (en) * | 1986-02-25 | 1988-08-02 | Merrell Dow Pharmaceuticals Inc. | 3-(1H-tetrazol-5-yl)thieno[2,3-d]pyrimidin-4(3H)-ones |
| JPH03145489A (ja) * | 1989-10-26 | 1991-06-20 | Natl Sci Council | ３―（１ｈ―テトラーゾール―５―イル）―４（３ｈ）―キナゾリノン誘導体の製造方法 |
| EP1466907B1 (en) * | 2001-12-19 | 2011-08-10 | Ube Industries, Ltd. | Process for producing quinazolin-4-one and derivative thereof |
| CN111635369A (zh) * | 2020-06-19 | 2020-09-08 | 宁夏大学 | 一种二氢喹唑啉酮衍生物的制备方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH432929A (de) * | 1962-03-08 | 1967-03-31 | Ciba Geigy | Schädlingsbekämpfungsmittel |
| FR5406M (xx) * | 1965-11-17 | 1967-09-25 | ||
| IL27999A (en) * | 1966-05-25 | 1971-08-25 | Egyt Gyogyszervegyeszeti Gyar | Naphthyl-and tetrahydronaphthyl-formamidines |
| DE1809174A1 (de) * | 1968-11-15 | 1970-06-11 | Bayer Ag | Verfahren zur Herstellung von Chinazolonen |
| US3696102A (en) * | 1970-03-09 | 1972-10-03 | Pfizer & Co C | Process for the synthesis of substituted quinazolin-4-ones |
| US4419357A (en) * | 1982-01-18 | 1983-12-06 | The Dow Chemical Company | 3-(1H-Tetrazol-5-yl)-4(3H)-quinazolinones |
-
1984
- 1984-05-15 US US06/610,456 patent/US4644065A/en not_active Expired - Fee Related
-
1985
- 1985-05-10 ZA ZA853570A patent/ZA853570B/xx unknown
- 1985-05-10 CA CA000481295A patent/CA1252094A/en not_active Expired
- 1985-05-10 IL IL75162A patent/IL75162A/xx unknown
- 1985-05-13 AT AT85105877T patent/ATE58733T1/de not_active IP Right Cessation
- 1985-05-13 DE DE8585105877T patent/DE3580698D1/de not_active Expired - Fee Related
- 1985-05-13 EP EP85105877A patent/EP0161661B1/en not_active Expired - Lifetime
- 1985-05-13 AU AU42420/85A patent/AU570604B2/en not_active Ceased
- 1985-05-13 GR GR851154A patent/GR851154B/el unknown
- 1985-05-13 FI FI851886A patent/FI88720C/fi not_active IP Right Cessation
- 1985-05-13 ES ES543102A patent/ES8603484A1/es not_active Expired
- 1985-05-13 NZ NZ212054A patent/NZ212054A/en unknown
- 1985-05-14 KR KR1019850003273A patent/KR880002627B1/ko not_active IP Right Cessation
- 1985-05-14 HU HU851812A patent/HU193755B/hu not_active IP Right Cessation
- 1985-05-14 PT PT80454A patent/PT80454B/pt not_active IP Right Cessation
- 1985-05-14 JP JP60100651A patent/JPS60248685A/ja active Pending
- 1985-05-14 NO NO851930A patent/NO159792C/no unknown
- 1985-05-14 DK DK214185A patent/DK214185A/da not_active Application Discontinuation
- 1985-05-15 PH PH32274A patent/PH21159A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0161661A3 (en) | 1986-11-20 |
| PH21159A (en) | 1987-08-05 |
| IL75162A0 (en) | 1985-09-29 |
| DK214185D0 (da) | 1985-05-14 |
| NO159792C (no) | 1989-02-08 |
| PT80454A (en) | 1985-06-01 |
| ES543102A0 (es) | 1985-12-16 |
| DK214185A (da) | 1985-11-16 |
| CA1252094A (en) | 1989-04-04 |
| KR850008167A (ko) | 1985-12-13 |
| AU570604B2 (en) | 1988-03-17 |
| NO159792B (no) | 1988-10-31 |
| FI88720B (fi) | 1993-03-15 |
| FI851886A0 (fi) | 1985-05-13 |
| PT80454B (pt) | 1987-08-19 |
| NO851930L (no) | 1985-11-18 |
| DE3580698D1 (de) | 1991-01-10 |
| GR851154B (xx) | 1985-11-25 |
| EP0161661B1 (en) | 1990-11-28 |
| JPS60248685A (ja) | 1985-12-09 |
| IL75162A (en) | 1989-07-31 |
| AU4242085A (en) | 1985-11-21 |
| ES8603484A1 (es) | 1985-12-16 |
| US4644065A (en) | 1987-02-17 |
| FI851886L (fi) | 1985-11-16 |
| FI88720C (fi) | 1993-06-28 |
| KR880002627B1 (ko) | 1988-12-07 |
| NZ212054A (en) | 1988-03-30 |
| HUT37782A (en) | 1986-02-28 |
| HU193755B (en) | 1987-11-30 |
| EP0161661A2 (en) | 1985-11-21 |
| ATE58733T1 (de) | 1990-12-15 |
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