HUT46327A - Process for producing 3-(alkanoyl-oxy-methyl)-3-cefem-4-carboxylic acid derivatives - Google Patents
Process for producing 3-(alkanoyl-oxy-methyl)-3-cefem-4-carboxylic acid derivativesInfo
- Publication number
- HUT46327A HUT46327A HU87198A HU19887A HUT46327A HU T46327 A HUT46327 A HU T46327A HU 87198 A HU87198 A HU 87198A HU 19887 A HU19887 A HU 19887A HU T46327 A HUT46327 A HU T46327A
- Authority
- HU
- Hungary
- Prior art keywords
- cefem
- alkanoyl
- oxy
- methyl
- producing
- 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
- C07D501/02—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
-
- 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
- C07D501/34—Methylene radicals, substituted by oxygen atoms; Lactones thereof with the 2-carboxyl group with the 7-amino radical acylated by carboxylic acids containing hetero rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cephalosporin Compounds (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1318686 | 1986-01-23 | ||
JP61310553A JPH08830B2 (ja) | 1986-01-23 | 1986-12-24 | 3−アルカノイルオキシメチル−3−セフエム−4−カルボン酸類の製造法 |
Publications (2)
Publication Number | Publication Date |
---|---|
HUT46327A true HUT46327A (en) | 1988-10-28 |
HU200184B HU200184B (en) | 1990-04-28 |
Family
ID=26348945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HU87198A HU200184B (en) | 1986-01-23 | 1987-01-22 | Process for producing 3-(alkanoyloxymethyl)-3-cefem-4-carboxilic acid derivatie |
Country Status (5)
Country | Link |
---|---|
US (1) | US4908444A (hu) |
EP (1) | EP0230972A3 (hu) |
CN (1) | CN1017336B (hu) |
CA (1) | CA1280409C (hu) |
HU (1) | HU200184B (hu) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2867438B2 (ja) * | 1988-08-10 | 1999-03-08 | 武田薬品工業株式会社 | セファロスポリン化合物の製造法 |
US5552542A (en) * | 1995-05-10 | 1996-09-03 | Bristol-Myers Squibb Company | Preparation and use of 7-[(2-carboalkoxy-1-methylethenyl)amino]-3-hydroxymethyl-3-cephem-4-carboxylic acids |
AU3661597A (en) * | 1996-07-29 | 1998-02-20 | Bristol-Myers Squibb Company | Solvent extraction of 3-hydroxymethylcephalosporins |
CA2302437A1 (en) * | 1997-10-30 | 1999-05-14 | John J. Usher | Chemical acetylation of desacetyl-cephalosporins |
CN102898439B (zh) * | 2011-07-27 | 2015-03-25 | 广东立国制药有限公司 | 一种去乙酰头孢呋辛内酯的制备方法 |
CN105418641B (zh) * | 2015-12-30 | 2018-08-10 | 广东金城金素制药有限公司 | 一种原研制品质头孢曲松钠及其药物制剂 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1141293A (en) * | 1964-12-23 | 1969-01-29 | Glaxo Lab Ltd | Cephemoic acids and derivatives thereof |
US3728342A (en) * | 1970-12-03 | 1973-04-17 | Lilly Co Eli | 3-acyloxymethyl cephalosporins and method of preparation |
JPS5227792A (en) * | 1975-08-26 | 1977-03-02 | Takeda Chem Ind Ltd | Synthesis of cephalosporin compounds |
JPS5946290A (ja) * | 1982-09-09 | 1984-03-15 | Banyu Pharmaceut Co Ltd | 3−アシルオキシメチルセフアロスポリン誘導体の製造法 |
US4584371A (en) * | 1984-03-01 | 1986-04-22 | The Upjohn Company | Catalytic process for preparing 3-ester-methyl cephalosporins from desacetyl-7-aminocephalosporanic acid |
-
1987
- 1987-01-14 US US07/003,286 patent/US4908444A/en not_active Expired - Fee Related
- 1987-01-21 EP EP87100758A patent/EP0230972A3/en not_active Withdrawn
- 1987-01-22 HU HU87198A patent/HU200184B/hu not_active IP Right Cessation
- 1987-01-22 CN CN87100321.XA patent/CN1017336B/zh not_active Expired
- 1987-01-22 CA CA000527885A patent/CA1280409C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1017336B (zh) | 1992-07-08 |
US4908444A (en) | 1990-03-13 |
CN87100321A (zh) | 1987-09-09 |
HU200184B (en) | 1990-04-28 |
CA1280409C (en) | 1991-02-19 |
EP0230972A3 (en) | 1989-02-01 |
EP0230972A2 (en) | 1987-08-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
HU90 | Patent valid on 900628 | ||
HMM4 | Cancellation of final prot. due to non-payment of fee |