ES436981A1 - Un metodo para la preparacion de derivados de teofilina. - Google Patents
Un metodo para la preparacion de derivados de teofilina.Info
- Publication number
- ES436981A1 ES436981A1 ES436981A ES436981A ES436981A1 ES 436981 A1 ES436981 A1 ES 436981A1 ES 436981 A ES436981 A ES 436981A ES 436981 A ES436981 A ES 436981A ES 436981 A1 ES436981 A1 ES 436981A1
- Authority
- ES
- Spain
- Prior art keywords
- group
- theophylline
- chosen
- anhydride
- hydrocarbon solvent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D473/00—Heterocyclic compounds containing purine ring systems
- C07D473/02—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
- C07D473/04—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
- C07D473/06—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3
- C07D473/08—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3 with methyl radicals in positions 1 and 3, e.g. theophylline
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/526,219 US4000132A (en) | 1974-11-22 | 1974-11-22 | Method for synthesizing certain selected pro-drug forms of theophylline |
Publications (1)
Publication Number | Publication Date |
---|---|
ES436981A1 true ES436981A1 (es) | 1977-01-01 |
Family
ID=24096430
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES436981A Expired ES436981A1 (es) | 1974-11-22 | 1975-04-25 | Un metodo para la preparacion de derivados de teofilina. |
Country Status (2)
Country | Link |
---|---|
US (1) | US4000132A (es) |
ES (1) | ES436981A1 (es) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2729643A (en) * | 1956-01-03 | J-disubstmjied and i |
-
1974
- 1974-11-22 US US05/526,219 patent/US4000132A/en not_active Expired - Lifetime
-
1975
- 1975-04-25 ES ES436981A patent/ES436981A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4000132A (en) | 1976-12-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR850008165A (ko) | 헤테로사이클릭 유도체의 제조방법 | |
SE7600954L (sv) | Tetrahydroisokinolinderivat och forfarande for framstellning derav | |
KR840000521A (ko) | 3-메틸플라본-8-카르복실산 에스테르류의 제조방법 | |
ES436981A1 (es) | Un metodo para la preparacion de derivados de teofilina. | |
ES421067A1 (es) | Procedimiento para la preparacion de nuevas 2-fenilamino- imidazolinas sustituidas. | |
ES423104A1 (es) | Procedimiento para preparar anilidas heterociclicas. | |
KR920004369A (ko) | 치환된 3-아미노 아크릴산 에스테르의 제조방법 | |
GB1489332A (en) | Reduced bicyclic pyridone derivatives | |
NZ194330A (en) | 1-( -aminoalkyl)-3-hydroxyindol-2-ylcarboxylic acids and analogs thereof | |
ES451292A1 (es) | Un procedimiento para la preparacion de derivados de tieno- tiacina. | |
ES419319A1 (es) | Un procedimiento para la obtencion de derivados de acidos 3-benzoilfenilalcanoicos. | |
ES423746A1 (es) | Procedimiento para preparar derivados de 2-aminoindano. | |
ES398427A1 (es) | Un procedimiento para preparar 3-amido-1,2,4-triazoles. | |
ES424272A1 (es) | Un procedimiento para preparar n - (2 - amino - 3,5 - di- bromobencil) - n - metilciclohexilamina terapeuticamente va-liosa. | |
ES423828A1 (es) | Procedimiento para preparar derivados de acidos aminopenici-lanico 6-sustituidos y aminocefalosparanico 7-sustituidos. | |
ES423745A1 (es) | Procedimiento para preparar derivados de 2-aminoindano. | |
ES406726A1 (es) | Un procedimiento para preparar dimetilsulfoxidos y dimetil-sulfonas de acido benzoico sustituido. | |
ES448324A1 (es) | Procedimiento para preparar 1,2,3,4-tetrahidro-4-oxo-1-naf- tilureas. | |
ES401342A1 (es) | Procedimiento para la preparacion de nuevos derivados de lapiridina y de sus sales. | |
ES421073A3 (es) | Un metodo para preparar quinoxalinadi-n-oxidos. | |
ES437041A1 (es) | Un procedimiento para preparar derivados de 1-ftalazona. | |
ES404115A1 (es) | Un procedimiento para la produccion de un derivado de 1- benzoiloxi-2-alquil-(inferior) aminobenzocicloalcano. | |
ES413367A1 (es) | Procedimiento para la obtencion de la 2-propil-pentamida. | |
ES436145A1 (es) | Procedimiento para la obtencion de un derivado heterocicli- co. | |
ES428254A1 (es) | Procedimiento para la obtencion de 2-acetoxibenzoatos de n-(2-hidroxietil) amidas de acidos grasos. |