BE864459A - Reaction de deplacement du groupement acetoxy, et de ses derives, des cephalosporines par un agent nucleophile soufre - Google Patents
Reaction de deplacement du groupement acetoxy, et de ses derives, des cephalosporines par un agent nucleophile soufreInfo
- Publication number
- BE864459A BE864459A BE1008733A BE1008733A BE864459A BE 864459 A BE864459 A BE 864459A BE 1008733 A BE1008733 A BE 1008733A BE 1008733 A BE1008733 A BE 1008733A BE 864459 A BE864459 A BE 864459A
- Authority
- BE
- Belgium
- Prior art keywords
- cephalosporins
- derivatives
- displacement
- reaction
- acetoxy group
- Prior art date
Links
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
- C07D501/14—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
- C07D501/36—Methylene radicals, substituted by sulfur atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cephalosporin Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US77501877A | 1977-03-07 | 1977-03-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE864459A true BE864459A (fr) | 1978-09-01 |
Family
ID=25103070
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE1008733A BE864459A (fr) | 1977-03-07 | 1978-03-01 | Reaction de deplacement du groupement acetoxy, et de ses derives, des cephalosporines par un agent nucleophile soufre |
Country Status (4)
Country | Link |
---|---|
US (1) | US4144391A (xx) |
BE (1) | BE864459A (xx) |
SU (1) | SU919596A3 (xx) |
ZA (1) | ZA781258B (xx) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1565941A (en) * | 1977-02-08 | 1980-04-23 | Toyama Chemical Co Ltd | Process for producing 7-(substituted)amino-3-substituted thiomethyl cephem carboxylic acids |
US4314059A (en) * | 1978-03-09 | 1982-02-02 | Chisei Shibuya | Process for preparing cephalosporin compounds |
DK225179A (da) * | 1978-06-22 | 1979-12-23 | Chugai Pharmaceutical Co Ltd | Fremgangsmaade til fremstilling af cephalosporinderivater |
JPS6027677B2 (ja) * | 1978-07-06 | 1985-06-29 | 富山化学工業株式会社 | 7−置換又は非置換アミノ−3−置換チオメチルセフエムカルボン酸類の新規製造法 |
JPS5543043A (en) * | 1978-09-22 | 1980-03-26 | Sankyo Co Ltd | Preparation of 3-substituted thiomethylcephalosporin derivative |
JPS55139387A (en) * | 1979-04-19 | 1980-10-31 | Yamanouchi Pharmaceut Co Ltd | Novel synthetic method of 7-amino-3-heterocyclic thiomethyl-delta3-carboxylic acids |
US4349672A (en) * | 1979-11-29 | 1982-09-14 | Hoffmann-La Roche Inc. | Cephalosporin derivatives |
JPS56118085A (en) * | 1980-02-25 | 1981-09-16 | Takeda Chem Ind Ltd | 2-methylcephalosporin derivative and its preparation |
EP0047014B1 (en) * | 1980-09-02 | 1986-01-15 | Asahi Kasei Kogyo Kabushiki Kaisha | Novel thioesters and process for the preparation of the same |
US6166254A (en) * | 1998-11-24 | 2000-12-26 | Silicon Valley Chemlabs, Inc. | Method of manufacturing high purity amidoximes from hydroxylamine and nitriles |
US20030135041A1 (en) * | 2002-01-04 | 2003-07-17 | Orchid Chemicals & Pharmaceuticals Limited, India | Synthesis of ceftiofur intermediate |
EP1394262A1 (en) * | 2002-08-30 | 2004-03-03 | Bioferma Murcia, S.A. | An enzymatic process for preparing beta-lactams |
CN102532166A (zh) * | 2010-12-27 | 2012-07-04 | 江苏九寿堂生物制品有限公司 | 一种精制头孢替唑酸制备方法 |
CN113512046B (zh) * | 2021-03-31 | 2023-04-25 | 西南大学 | C-7位卤代酰基头孢化合物、制备方法和应用 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1012943A (en) * | 1961-05-16 | 1965-12-15 | Glaxo Lab Ltd | Improvements in or relating to antibiotics |
GB1241657A (en) * | 1967-08-21 | 1971-08-04 | Glaxo Lab Ltd | Improvements in or relating to cephalosporin compounds |
GB1277415A (en) * | 1968-06-14 | 1972-06-14 | Glaxo Lab Ltd | Improvements in or relating to cephalosporin derivatives |
US3641021A (en) * | 1969-04-18 | 1972-02-08 | Lilly Co Eli | 3 7-(ring-substituted) cephalosporin compounds |
US3776907A (en) * | 1972-06-12 | 1973-12-04 | Bristol Myers Co | 7-(d-(alpha-amino-alpha-phenyl-,2-thienyl-and 3-thienyl-acetamido))-3-(1,2,3-thiadiazol-4-or 5-yl)-carbonylthiomethyl-3-cephem-4-carboxylic acids |
-
1977
- 1977-12-27 US US05/862,871 patent/US4144391A/en not_active Expired - Lifetime
-
1978
- 1978-03-01 BE BE1008733A patent/BE864459A/xx not_active IP Right Cessation
- 1978-03-03 ZA ZA00781258A patent/ZA781258B/xx unknown
- 1978-03-06 SU SU782586703A patent/SU919596A3/ru active
Also Published As
Publication number | Publication date |
---|---|
SU919596A3 (ru) | 1982-04-07 |
ZA781258B (en) | 1979-10-31 |
US4144391A (en) | 1979-03-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE20 | Patent expired |
Owner name: ELI LILLY AND CY Effective date: 19980301 |