CH629788A5 - Verfahren zur herstellung von 5,6-diaminouracil. - Google Patents
Verfahren zur herstellung von 5,6-diaminouracil. Download PDFInfo
- Publication number
- CH629788A5 CH629788A5 CH897877A CH897877A CH629788A5 CH 629788 A5 CH629788 A5 CH 629788A5 CH 897877 A CH897877 A CH 897877A CH 897877 A CH897877 A CH 897877A CH 629788 A5 CH629788 A5 CH 629788A5
- Authority
- CH
- Switzerland
- Prior art keywords
- hydrogenation
- aminouracil
- diaminouracil
- nitroso
- sulfate
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more 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, directly attached to ring carbon atoms
- C07D239/46—Two or more oxygen, sulphur or nitrogen atoms
- C07D239/52—Two oxygen atoms
- C07D239/54—Two oxygen atoms as doubly bound oxygen atoms or as unsubstituted hydroxy radicals
- C07D239/545—Two oxygen atoms as doubly bound oxygen atoms or as unsubstituted hydroxy radicals with other hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH897877A CH629788A5 (de) | 1977-07-20 | 1977-07-20 | Verfahren zur herstellung von 5,6-diaminouracil. |
GB787827985A GB2001310B (en) | 1977-07-20 | 1978-06-27 | Process for the preparation of 5,6-diaminouracil |
DE19782831037 DE2831037A1 (de) | 1977-07-20 | 1978-07-14 | Verfahren zur herstellung von 5,6-diaminouracil |
IT7850343A IT7850343A0 (it) | 1977-07-20 | 1978-07-18 | Procedimento per produrre 5/6-di amminouracile |
FR7821547A FR2398064A1 (fr) | 1977-07-20 | 1978-07-20 | Nouveau procede de preparation de la 5,6-diamino-uracile a partir de la 5-nitroso-6-amino-uracile |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH897877A CH629788A5 (de) | 1977-07-20 | 1977-07-20 | Verfahren zur herstellung von 5,6-diaminouracil. |
Publications (1)
Publication Number | Publication Date |
---|---|
CH629788A5 true CH629788A5 (de) | 1982-05-14 |
Family
ID=4346962
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH897877A CH629788A5 (de) | 1977-07-20 | 1977-07-20 | Verfahren zur herstellung von 5,6-diaminouracil. |
Country Status (5)
Country | Link |
---|---|
CH (1) | CH629788A5 (it) |
DE (1) | DE2831037A1 (it) |
FR (1) | FR2398064A1 (it) |
GB (1) | GB2001310B (it) |
IT (1) | IT7850343A0 (it) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8929208D0 (en) * | 1989-12-27 | 1990-02-28 | Almirall Lab | New xanthine derivatives |
DE4311538C1 (de) * | 1993-04-07 | 1994-10-06 | Boehringer Ingelheim Kg | Verfahren zur Herstellung von 1,3-Dimethyl-4,5-diaminouracil |
CN101003512B (zh) * | 2007-01-22 | 2011-03-16 | 上海化学试剂研究所 | 6-甲氨基尿嘧啶的制备方法 |
CN104003941B (zh) * | 2014-06-13 | 2016-05-04 | 石药集团新诺威制药股份有限公司 | 一种咖啡因中间体n,n-1,3-二甲基-4,5-二氨基脲嗪的制备方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2646432A (en) * | 1947-01-13 | 1953-07-21 | Mallinckrodt Chemical Works | Method of preparing 2, 6-diketopurines |
-
1977
- 1977-07-20 CH CH897877A patent/CH629788A5/de not_active IP Right Cessation
-
1978
- 1978-06-27 GB GB787827985A patent/GB2001310B/en not_active Expired
- 1978-07-14 DE DE19782831037 patent/DE2831037A1/de not_active Withdrawn
- 1978-07-18 IT IT7850343A patent/IT7850343A0/it unknown
- 1978-07-20 FR FR7821547A patent/FR2398064A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE2831037A1 (de) | 1979-02-08 |
FR2398064A1 (fr) | 1979-02-16 |
IT7850343A0 (it) | 1978-07-18 |
GB2001310B (en) | 1982-01-27 |
GB2001310A (en) | 1979-01-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |