ES468333A1 - Un procedimiento para la preparacion de un derivado de tia- zolidin-azetidinona con la configuracion d. - Google Patents
Un procedimiento para la preparacion de un derivado de tia- zolidin-azetidinona con la configuracion d.Info
- Publication number
- ES468333A1 ES468333A1 ES468333A ES468333A ES468333A1 ES 468333 A1 ES468333 A1 ES 468333A1 ES 468333 A ES468333 A ES 468333A ES 468333 A ES468333 A ES 468333A ES 468333 A1 ES468333 A1 ES 468333A1
- Authority
- ES
- Spain
- Prior art keywords
- configuration
- compound
- epimerization process
- epimerization
- configurations
- 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
- C07D513/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00
- C07D513/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00 in which the condensed system contains two hetero rings
- C07D513/04—Ortho-condensed systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Cephalosporin Compounds (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Pyridine Compounds (AREA)
Abstract
Un procedimiento para la preparación de un derivado de tiazolidin- azetidinona con la configuración D de fórmula: **(Fórmula)** cuyo procedimiento consiste en someter a reacción de epimerización un compuesto de fórmula I con la configuración L o dicho compuesto como mezcla de las configuraciones L y D por disolución en piridina, a una temperatura comprendida entre 20º y 30º C, hasta una concentración comprendida entre 50 mg/ml y 100 mg/ml; disminuir selectivamente la solubilidad del compuesto de configuración D por dilución de la solución anterior con agua en una cantidad correspondiente al 10-50% en solución y separar dicho compuesto de configuración D.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/783,123 US4075219A (en) | 1977-03-31 | 1977-03-31 | Epimerization process |
Publications (1)
Publication Number | Publication Date |
---|---|
ES468333A1 true ES468333A1 (es) | 1979-10-01 |
Family
ID=25128233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES468333A Expired ES468333A1 (es) | 1977-03-31 | 1978-03-29 | Un procedimiento para la preparacion de un derivado de tia- zolidin-azetidinona con la configuracion d. |
Country Status (11)
Country | Link |
---|---|
US (1) | US4075219A (es) |
JP (1) | JPS53130690A (es) |
BE (1) | BE865405A (es) |
CA (1) | CA1097652A (es) |
DE (1) | DE2813287A1 (es) |
ES (1) | ES468333A1 (es) |
FR (1) | FR2385723A1 (es) |
GB (1) | GB1598039A (es) |
IE (1) | IE46595B1 (es) |
IL (1) | IL54372A (es) |
NL (1) | NL7803363A (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4148817A (en) * | 1976-03-25 | 1979-04-10 | Eli Lilly And Company | Process and intermediates for preparing cephalosporin antibiotics |
US4127568A (en) * | 1977-03-07 | 1978-11-28 | Eli Lilly And Company | Process for 3β-aminoazetidin-2-ones |
NL7806860A (nl) * | 1977-07-05 | 1979-01-09 | Farmaceutici Italia | Werkwijze voor het bereiden van met nocardicine verwan- te azetidinonen. |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2450784A (en) * | 1944-06-19 | 1948-10-05 | Therapeutic Res Corp Of Great | Resolution of n-formylisopropylidenepenicillamine |
BE786964A (fr) * | 1971-07-30 | 1973-01-29 | Degussa | Procede pour l'obtention de d-penicillamine |
US3966752A (en) * | 1971-07-30 | 1976-06-29 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler | Resolution of D,L-protected-penicillamine |
-
1977
- 1977-03-31 US US05/783,123 patent/US4075219A/en not_active Expired - Lifetime
-
1978
- 1978-03-28 IL IL54372A patent/IL54372A/xx unknown
- 1978-03-28 GB GB11981/78A patent/GB1598039A/en not_active Expired
- 1978-03-28 DE DE19782813287 patent/DE2813287A1/de not_active Withdrawn
- 1978-03-28 FR FR7808919A patent/FR2385723A1/fr active Granted
- 1978-03-28 CA CA299,799A patent/CA1097652A/en not_active Expired
- 1978-03-29 ES ES468333A patent/ES468333A1/es not_active Expired
- 1978-03-29 BE BE1008789A patent/BE865405A/xx unknown
- 1978-03-30 IE IE627/78A patent/IE46595B1/en unknown
- 1978-03-30 NL NL7803363A patent/NL7803363A/xx not_active Application Discontinuation
- 1978-03-30 JP JP3801678A patent/JPS53130690A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2813287A1 (de) | 1978-10-19 |
BE865405A (fr) | 1978-09-29 |
FR2385723B1 (es) | 1981-05-29 |
JPS53130690A (en) | 1978-11-14 |
IE46595B1 (en) | 1983-07-27 |
NL7803363A (nl) | 1978-10-03 |
CA1097652A (en) | 1981-03-17 |
US4075219A (en) | 1978-02-21 |
IL54372A (en) | 1980-09-16 |
FR2385723A1 (fr) | 1978-10-27 |
IE780627L (en) | 1978-09-30 |
GB1598039A (en) | 1981-09-16 |
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