BE808341A - Cephalosporins in lactol form - prepd by oxidation of desacetoxy cephalosorins with hexavalent chromium cpds - Google Patents
Cephalosporins in lactol form - prepd by oxidation of desacetoxy cephalosorins with hexavalent chromium cpdsInfo
- Publication number
- BE808341A BE808341A BE1005569A BE1005569A BE808341A BE 808341 A BE808341 A BE 808341A BE 1005569 A BE1005569 A BE 1005569A BE 1005569 A BE1005569 A BE 1005569A BE 808341 A BE808341 A BE 808341A
- Authority
- BE
- Belgium
- Prior art keywords
- prepd
- desacetoxy
- cephalosorins
- cephalosporins
- oxidation
- Prior art date
Links
- 229930186147 Cephalosporin Natural products 0.000 title 1
- 229940124587 cephalosporin Drugs 0.000 title 1
- 150000001780 cephalosporins Chemical class 0.000 title 1
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 title 1
- 230000003647 oxidation Effects 0.000 title 1
- 238000007254 oxidation reaction Methods 0.000 title 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 abstract 2
- HOKIDJSKDBPKTQ-GLXFQSAKSA-N cephalosporin C Chemical compound S1CC(COC(=O)C)=C(C(O)=O)N2C(=O)[C@@H](NC(=O)CCC[C@@H](N)C(O)=O)[C@@H]12 HOKIDJSKDBPKTQ-GLXFQSAKSA-N 0.000 abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- 125000004442 acylamino group Chemical group 0.000 abstract 1
- 125000003545 alkoxy group Chemical group 0.000 abstract 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D501/00—Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
- C07D501/02—Preparation
- C07D501/04—Preparation from compounds already containing the ring or condensed ring systems, e.g. by dehydrogenation of the ring, by introduction, elimination or modification of substituents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/04—Antibacterial agents
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D501/00—Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
- C07D501/14—Compounds having a nitrogen atom directly attached in position 7
- C07D501/16—Compounds having a nitrogen atom directly attached in position 7 with a double bond between positions 2 and 3
- C07D501/20—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids
- C07D501/24—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with hydrocarbon radicals, substituted by hetero atoms or hetero rings, attached in position 3
- C07D501/26—Methylene radicals, substituted by oxygen atoms; Lactones thereof with the 2-carboxyl group
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Communicable Diseases (AREA)
- Oncology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Cephalosporin Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP47123601A JPS523951B2 (enrdf_load_stackoverflow) | 1972-12-08 | 1972-12-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE808341A true BE808341A (en) | 1974-06-07 |
Family
ID=14864634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE1005569A BE808341A (en) | 1972-12-08 | 1973-12-07 | Cephalosporins in lactol form - prepd by oxidation of desacetoxy cephalosorins with hexavalent chromium cpds |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS523951B2 (enrdf_load_stackoverflow) |
BE (1) | BE808341A (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2895900B2 (ja) * | 1990-03-08 | 1999-05-24 | 大塚化学株式会社 | 3―ホルミルセフエム誘導体の製造法 |
-
1972
- 1972-12-08 JP JP47123601A patent/JPS523951B2/ja not_active Expired
-
1973
- 1973-12-07 BE BE1005569A patent/BE808341A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPS523951B2 (enrdf_load_stackoverflow) | 1977-01-31 |
JPS4980097A (enrdf_load_stackoverflow) | 1974-08-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1405721A (en) | Polymerisation catalyst | |
BE808341A (en) | Cephalosporins in lactol form - prepd by oxidation of desacetoxy cephalosorins with hexavalent chromium cpds | |
IE43813L (en) | Penicillin derivatives | |
GB1059995A (en) | Preparation of alkyl 3-chloro-3-arylimino-propionates and tautomers thereof | |
GB1343623A (en) | Process for preparing ferromagnetic chromium dioxide | |
GB1358973A (en) | Acyloxy-phenylethanolamines | |
SE7407827L (enrdf_load_stackoverflow) | ||
ES393803A1 (es) | Un procedimiento para la preparacion de derivados de azeti-dinona. | |
ES385907A1 (es) | Procedimiento de desdoblamiento para la produccion de acido6-aminopenicilanico. | |
ES407389A1 (es) | Procedimiento para la preparacion de isazolpirimidinas sus-tituidas. | |
IE37420L (en) | Penicillin and cephalosporin derivatives | |
SE7508880L (sv) | Forfarande for framstellning av penicilliner och cefalosporiner. | |
GB1386512A (en) | Alpha-ketocarboxamides | |
FR2211461A1 (en) | 1-Substd-3-hydroxy-pyrazoles - prepd from azomethinimines, and used as inters and antiphlogistics | |
ES451318A1 (es) | Mejoras introducidas en un procedimiento de preparacion de cefamicina c. | |
FR2014689A1 (en) | Enzymatic prepn of semi-synthetic penicillins | |
BE762084A (en) | Antibiotic benzofuran derivs | |
FR2026129A1 (en) | Diphenyl-1-2 dioxo 3,5 pyrazolidine prepn | |
FR2258381A1 (en) | Penicillins and cephalosporins - with side-chains derived pyrazine-2-carboxylic acids having broad-spectrum antibacterial activity | |
BE752074A (en) | Antiinflammatory pyridazines | |
FR2181506A1 (en) | Penicillin amides - with improved resistance to penicillinase | |
GB1343622A (en) | Method for the preparation of ferromagnetic chromium dioxide | |
FR2095480A5 (en) | 1,2,4-oxadiazole-3-carboxylic acid ester prepn - by - nitrosation of n-acylamino acetonitriles | |
FR2205310A1 (en) | Alpha penicillanamido penicillanic acids - long acting antibacterials prepd. by amidation of a mixed anhydride with an alpha amino penicillin | |
NL7016560A (en) | Cephalosporins penicillins and cycloheha- - dienyl alkanoic acids |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: TAKEDA CHEMICAL INDUSRTRIES LTD Effective date: 19901231 |