KR0159833B1 - Novel process for preparing cephalosporin derivatives - Google Patents
Novel process for preparing cephalosporin derivatives Download PDFInfo
- Publication number
- KR0159833B1 KR0159833B1 KR1019950003846A KR19950003846A KR0159833B1 KR 0159833 B1 KR0159833 B1 KR 0159833B1 KR 1019950003846 A KR1019950003846 A KR 1019950003846A KR 19950003846 A KR19950003846 A KR 19950003846A KR 0159833 B1 KR0159833 B1 KR 0159833B1
- Authority
- KR
- South Korea
- Prior art keywords
- novel process
- cephalosporin derivatives
- preparing cephalosporin
- preparing
- derivatives
- 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
- C07D501/06—Acylation of 7-aminocephalosporanic acid
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cephalosporin Compounds (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950003846A KR0159833B1 (en) | 1995-02-27 | 1995-02-27 | Novel process for preparing cephalosporin derivatives |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950003846A KR0159833B1 (en) | 1995-02-27 | 1995-02-27 | Novel process for preparing cephalosporin derivatives |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960031464A KR960031464A (en) | 1996-09-17 |
KR0159833B1 true KR0159833B1 (en) | 1998-12-01 |
Family
ID=19408843
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950003846A KR0159833B1 (en) | 1995-02-27 | 1995-02-27 | Novel process for preparing cephalosporin derivatives |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0159833B1 (en) |
-
1995
- 1995-02-27 KR KR1019950003846A patent/KR0159833B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR960031464A (en) | 1996-09-17 |
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