CA1055485A - Process for preparing cephalosporins - Google Patents
Process for preparing cephalosporinsInfo
- Publication number
- CA1055485A CA1055485A CA227,388A CA227388A CA1055485A CA 1055485 A CA1055485 A CA 1055485A CA 227388 A CA227388 A CA 227388A CA 1055485 A CA1055485 A CA 1055485A
- Authority
- CA
- Canada
- Prior art keywords
- methyl
- compound
- inorganic
- group
- mononuclear
- 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
- C07D205/00—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom
- C07D205/02—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings
- C07D205/06—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D205/08—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams
- C07D205/09—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams with a sulfur atom directly attached in position 4
- C07D205/095—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams with a sulfur atom directly attached in position 4 and with a nitrogen atom directly attached in position 3
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cephalosporin Compounds (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Document Processing Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT23070/74A IT1043958B (it) | 1974-05-22 | 1974-05-22 | Procedimento per la preparazione di cefalosporine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1055485A true CA1055485A (en) | 1979-05-29 |
Family
ID=11203454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA227,388A Expired CA1055485A (en) | 1974-05-22 | 1975-05-20 | Process for preparing cephalosporins |
Country Status (16)
| Country | Link |
|---|---|
| JP (1) | JPS50160291A (esLanguage) |
| AT (1) | AT340047B (esLanguage) |
| BE (1) | BE829304A (esLanguage) |
| CA (1) | CA1055485A (esLanguage) |
| DE (1) | DE2522142A1 (esLanguage) |
| DK (1) | DK220375A (esLanguage) |
| ES (1) | ES437842A1 (esLanguage) |
| FR (1) | FR2279753A1 (esLanguage) |
| GB (2) | GB1472865A (esLanguage) |
| HU (1) | HU171357B (esLanguage) |
| IT (1) | IT1043958B (esLanguage) |
| NL (1) | NL170286C (esLanguage) |
| NO (1) | NO751781L (esLanguage) |
| SE (1) | SE7505751L (esLanguage) |
| SU (1) | SU727147A3 (esLanguage) |
| ZA (1) | ZA753244B (esLanguage) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1472866A (en) | 1974-06-12 | 1977-05-11 | Farmaceutici Italia | Cephalosporins and intermediates therefor |
| GB1576219A (en) | 1976-12-31 | 1980-10-01 | Connlab Holdings Ltd | Thiazoleneazetidinone derivatives |
| NL7806860A (nl) * | 1977-07-05 | 1979-01-09 | Farmaceutici Italia | Werkwijze voor het bereiden van met nocardicine verwan- te azetidinonen. |
| US4482491A (en) * | 1981-05-01 | 1984-11-13 | Otsuka Kagaku Yakuhin Kabushiki Kaisha | Thiazolinoazetidinone derivatives and process for the preparation of the same |
| DE3366497D1 (en) * | 1982-01-22 | 1986-11-06 | Beecham Group Plc | Antibacterial agents, their preparation and use |
-
1974
- 1974-05-22 IT IT23070/74A patent/IT1043958B/it active
-
1975
- 1975-05-16 AT AT376875A patent/AT340047B/de not_active IP Right Cessation
- 1975-05-16 NL NLAANVRAGE7505800,A patent/NL170286C/xx not_active IP Right Cessation
- 1975-05-17 DE DE19752522142 patent/DE2522142A1/de not_active Withdrawn
- 1975-05-20 DK DK220375A patent/DK220375A/da unknown
- 1975-05-20 SE SE7505751A patent/SE7505751L/xx unknown
- 1975-05-20 ZA ZA00753244A patent/ZA753244B/xx unknown
- 1975-05-20 FR FR7515596A patent/FR2279753A1/fr active Granted
- 1975-05-20 NO NO751781A patent/NO751781L/no unknown
- 1975-05-20 GB GB2141975A patent/GB1472865A/en not_active Expired
- 1975-05-20 GB GB2841076A patent/GB1472870A/en not_active Expired
- 1975-05-20 JP JP50059355A patent/JPS50160291A/ja active Pending
- 1975-05-20 HU HU75SO00001145A patent/HU171357B/hu unknown
- 1975-05-20 CA CA227,388A patent/CA1055485A/en not_active Expired
- 1975-05-21 ES ES437842A patent/ES437842A1/es not_active Expired
- 1975-05-21 BE BE156546A patent/BE829304A/xx not_active IP Right Cessation
- 1975-05-21 SU SU752133714A patent/SU727147A3/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| GB1472870A (en) | 1977-05-11 |
| NL170286B (nl) | 1982-05-17 |
| SE7505751L (sv) | 1975-11-24 |
| JPS50160291A (esLanguage) | 1975-12-25 |
| ES437842A1 (es) | 1977-01-01 |
| IT1043958B (it) | 1980-02-29 |
| NO751781L (esLanguage) | 1975-11-25 |
| AT340047B (de) | 1977-11-25 |
| HU171357B (hu) | 1977-12-28 |
| AU8131975A (en) | 1976-11-25 |
| NL7505800A (nl) | 1975-11-25 |
| FR2279753B1 (esLanguage) | 1979-03-16 |
| ZA753244B (en) | 1976-05-26 |
| NL170286C (nl) | 1982-10-18 |
| BE829304A (fr) | 1975-11-21 |
| SU727147A3 (ru) | 1980-04-05 |
| GB1472865A (en) | 1977-05-11 |
| ATA376875A (de) | 1977-03-15 |
| DK220375A (da) | 1975-11-23 |
| FR2279753A1 (fr) | 1976-02-20 |
| DE2522142A1 (de) | 1975-12-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4504658A (en) | Epimerization of malonic acid esters | |
| US4536334A (en) | Preparation of β-lactam derivatives | |
| US4089956A (en) | 7-Acylamino-8-oxo-3-oxa-1-azabicyclo[4.2.0]octane-2-carboxylic acid derivatives and bactericidal compositions and use thereof | |
| US4036835A (en) | Process for preparing cephalosporins | |
| US3862164A (en) | Thiazolidine azetidinones | |
| US4067866A (en) | Process for preparing cephalosporins and certain novel 2β-thiohydrazo-azetidinones as intermediates | |
| US5594131A (en) | Process for preparing cephalosporin intermediates | |
| US4558123A (en) | 3-Exomethylene cephalosporins | |
| CA1057284A (en) | Process for preparing cephalosporins and intermediates | |
| US4071513A (en) | Substituted azetidinone aldehydes | |
| US4008229A (en) | Halo substituted β-lactam antibiotics | |
| US4103086A (en) | 8-Oxo-4-thia-1-azabicyclo (4.2.0)-oct-2-ene derivatives | |
| FR2565590A1 (fr) | Procede de preparation d'aminohydroxycephamcarboxylates | |
| CA1146538A (en) | Process for chemically removing the acyl side-chain from cephalosporins and penicillins | |
| DE2323395A1 (de) | Verfahren zur herstellung von desacetoxycephalosporinen und neue zwischenprodukte | |
| SU727147A3 (ru) | Способ получени цефалоспоринов | |
| CA1132549A (en) | INVERSION OF THE 3 .alpha.-AMINO GROUP ATTACHED TO THE .beta.-LACTAM RING | |
| DE2455358A1 (de) | In 2-stellung thiosubstituierte cephalosporinsulfoxide | |
| US4959495A (en) | Process for the preparation of intermediates used to produce aminothiazoloximino cephalosporins | |
| CA1096373A (en) | Ureido substituted cephalosporin antibiotics | |
| US4293493A (en) | Azetidinone alcohol disulfides and process for cyclization | |
| US4176231A (en) | Process for preparing 3-exomethylenecepham sulfoxides | |
| US3127394A (en) | Bosohydride reduction of | |
| US4187375A (en) | Process for preparing oxazine ring compounds | |
| US4162250A (en) | 3-Aminoazetidinone derivatives |