DK143231C - Fremgangsmaade til fremstilling af en hexahydrothieno(3,4-d)imidazol-2,4-dion - Google Patents
Fremgangsmaade til fremstilling af en hexahydrothieno(3,4-d)imidazol-2,4-dionInfo
- Publication number
- DK143231C DK143231C DK508874A DK508874A DK143231C DK 143231 C DK143231 C DK 143231C DK 508874 A DK508874 A DK 508874A DK 508874 A DK508874 A DK 508874A DK 143231 C DK143231 C DK 143231C
- Authority
- DK
- Denmark
- Prior art keywords
- hexahydrothieno
- dion
- imidazol
- preparing
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
- C07D491/04—Ortho-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D495/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
- C07D495/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
- C07D495/04—Ortho-condensed systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10902173 | 1973-09-27 | ||
| JP10902173A JPS5315076B2 (da) | 1973-09-27 | 1973-09-27 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK508874A DK508874A (da) | 1975-06-02 |
| DK143231B DK143231B (da) | 1981-07-27 |
| DK143231C true DK143231C (da) | 1981-11-30 |
Family
ID=14499567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK508874A DK143231C (da) | 1973-09-27 | 1974-09-26 | Fremgangsmaade til fremstilling af en hexahydrothieno(3,4-d)imidazol-2,4-dion |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3931219A (da) |
| JP (1) | JPS5315076B2 (da) |
| BE (1) | BE820047A (da) |
| CA (1) | CA1029381A (da) |
| CH (1) | CH605968A5 (da) |
| DE (1) | DE2446256C3 (da) |
| DK (1) | DK143231C (da) |
| FR (1) | FR2245658B1 (da) |
| GB (1) | GB1448311A (da) |
| HU (1) | HU167855B (da) |
| NL (1) | NL7412869A (da) |
| SE (1) | SE401923B (da) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19534016A1 (de) * | 1995-09-14 | 1997-03-20 | Merck Patent Gmbh | Biotinderivate |
| DE19843931A1 (de) * | 1997-09-29 | 1999-04-01 | Sumitomo Chemical Co | Verfahren zur Herstellung von Hexahydrothieno[3,4-d]imidazol-2,4-dionen |
| JP3846120B2 (ja) | 1999-04-08 | 2006-11-15 | 住友化学株式会社 | ヘキサヒドロチエノ［３，４−ｄ］イミダゾール−２，４−ジオン類の製造方法 |
| FR2795413B1 (fr) * | 1999-09-06 | 2002-11-08 | Sumitomo Chemical Co | Procede de production d'hexahydrothieno[3,4-d]imidazole-2,4 -diones |
| CN101096372B (zh) * | 2007-01-24 | 2010-09-29 | 绍兴文理学院 | 硫内酯的合成工艺 |
| US8445698B2 (en) * | 2007-06-29 | 2013-05-21 | Ranbaxy Laboratories Limited | Process for the preparation of an intermediate of tadalafil |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2489232A (en) * | 1949-11-22 | Synthesis of biotin | ||
| US2489234A (en) * | 1947-07-16 | 1949-11-22 | Hoffmann La Roche | Thiophanes and method for their production |
| US2519720A (en) * | 1948-12-22 | 1950-08-22 | Hoffmann La Roche | Synthesis of thiolactones |
| US3700659A (en) * | 1970-11-17 | 1972-10-24 | Hoffmann La Roche | (+)-cis - 1,3-dibenzyl-hexahydro-1h-furo-(3,4-d)imidazole - 2,4 - dione,processes and intermediates |
| DD111577A5 (da) * | 1972-06-22 | 1975-02-20 |
-
1973
- 1973-09-27 JP JP10902173A patent/JPS5315076B2/ja not_active Expired
-
1974
- 1974-09-18 BE BE148641A patent/BE820047A/xx not_active IP Right Cessation
- 1974-09-23 CA CA209,776A patent/CA1029381A/en not_active Expired
- 1974-09-25 GB GB4171074A patent/GB1448311A/en not_active Expired
- 1974-09-26 DK DK508874A patent/DK143231C/da not_active IP Right Cessation
- 1974-09-26 SE SE7412146A patent/SE401923B/xx unknown
- 1974-09-26 FR FR7432505A patent/FR2245658B1/fr not_active Expired
- 1974-09-27 HU HU74SU847A patent/HU167855B/hu unknown
- 1974-09-27 CH CH1311674A patent/CH605968A5/xx not_active IP Right Cessation
- 1974-09-27 US US05/509,904 patent/US3931219A/en not_active Expired - Lifetime
- 1974-09-27 DE DE2446256A patent/DE2446256C3/de not_active Expired
- 1974-09-27 NL NL7412869A patent/NL7412869A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2446256C3 (de) | 1978-05-24 |
| SE401923B (sv) | 1978-06-05 |
| CA1029381A (en) | 1978-04-11 |
| HU167855B (da) | 1975-12-25 |
| FR2245658A1 (da) | 1975-04-25 |
| SE7412146L (da) | 1975-04-01 |
| DK143231B (da) | 1981-07-27 |
| DE2446256B2 (de) | 1977-09-15 |
| US3931219A (en) | 1976-01-06 |
| GB1448311A (en) | 1976-09-02 |
| JPS5058088A (da) | 1975-05-20 |
| JPS5315076B2 (da) | 1978-05-22 |
| FR2245658B1 (da) | 1978-04-28 |
| BE820047A (fr) | 1975-03-18 |
| DE2446256A1 (de) | 1975-04-10 |
| DK508874A (da) | 1975-06-02 |
| NL7412869A (nl) | 1975-04-02 |
| CH605968A5 (da) | 1978-10-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PBP | Patent lapsed |