KR970061898A - Method for the preparation of cephalosporin intermediate - Google Patents
Method for the preparation of cephalosporin intermediate Download PDFInfo
- Publication number
- KR970061898A KR970061898A KR1019960003242A KR19960003242A KR970061898A KR 970061898 A KR970061898 A KR 970061898A KR 1019960003242 A KR1019960003242 A KR 1019960003242A KR 19960003242 A KR19960003242 A KR 19960003242A KR 970061898 A KR970061898 A KR 970061898A
- Authority
- KR
- South Korea
- Prior art keywords
- carboxylate
- phenylacetamido
- cephem
- diphenylmethyl
- formula
- 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
- C07D501/22—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with radicals containing only hydrogen and carbon atoms, attached in position 3
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cephalosporin Compounds (AREA)
Abstract
본 발명은 세팔로스포린 항생제의 중간체로서 유용한 다음 일반식(Ⅰ)으로 표시되는 디페닐메틸 7β-페닐아세트아미도-3-(1-할로겐에테닐)-3-세펨-4-카르복실레이트-1-옥사이드를 제조하는 방법이다.The present invention relates to diphenylmethyl 7? -Phenylacetamido-3- (1-halogen ethenyl) -3-cephem-4-carboxylate-1-carboxylate represented by the following general formula (I) useful as an intermediate of cephalosporin antibiotic: Oxide. ≪ / RTI >
불활성 유기용매 중에서 일반식(Ⅱ)의 디페닐메틸 7β-페닐아세트아미도-3-(1-할로겐에테닐)-2-세펨-4-카르복실레이트와 피아세트산 또는 H2O2를 반응시켜 이를 정제하여 일반식(Ⅰ)의 디페닐메틸 7β-페닐아세트아미도-3-(1-할로겐에테닐)-3-세펨-4-카르복실레이트-1-옥사이드를 제조한다.Reacting diphenylmethyl 7? -Phenylacetamido-3- (1-halogen ethenyl) -2-cephem-4-carboxylate of the formula (II) with picatric acid or H 2 O 2 in an inert organic solvent This is purified to prepare diphenylmethyl 7? -Phenylacetamido-3- (1-halogenethenyl) -3-cephem-4-carboxylate-1-oxide of the general formula (I).
윗식에서 R1은 Cl 또는 Br이다.In the above formula, R 1 is Cl or Br.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960003242A KR100390548B1 (en) | 1996-02-10 | 1996-02-10 | Method for manufacturing cephalosporin intermediate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960003242A KR100390548B1 (en) | 1996-02-10 | 1996-02-10 | Method for manufacturing cephalosporin intermediate |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970061898A true KR970061898A (en) | 1997-09-12 |
KR100390548B1 KR100390548B1 (en) | 2003-11-13 |
Family
ID=37421857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960003242A KR100390548B1 (en) | 1996-02-10 | 1996-02-10 | Method for manufacturing cephalosporin intermediate |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100390548B1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106866703A (en) * | 2017-04-28 | 2017-06-20 | 山东新华制药股份有限公司 | The preparation method of Cefradine oxide D |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4266049A (en) * | 1980-02-20 | 1981-05-05 | Eli Lilly And Company | Process for 3-iodomethyl cephalosporins |
GB2125807B (en) * | 1982-05-26 | 1986-01-08 | Lilly Industries Ltd | Preparation of penicillin and cephalosporin compounds and novel intermediates useful therein |
JPH05148272A (en) * | 1991-11-27 | 1993-06-15 | Shionogi & Co Ltd | Carboxyvinyloxyiminocephalosporins |
-
1996
- 1996-02-10 KR KR1019960003242A patent/KR100390548B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR100390548B1 (en) | 2003-11-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR850006938A (en) | Process for preparing polyurilmutilin derivatives | |
EP0266182A3 (en) | Gamma-lactonecarboxylic acid derivatives and their production | |
ATE144498T1 (en) | PREPARATION OF SUBSTITUTED PIPERIDINES | |
KR970061898A (en) | Method for the preparation of cephalosporin intermediate | |
KR860007266A (en) | Method for preparing alkenamido cephalosporin ester | |
FI913658A0 (en) | 4-AMINO-D4,6-STEROIDER OR DERAS ANVAENDNING SOM 5A-REDUCTAS INHIBITORER. | |
IE780453L (en) | Preparation of cephalosporin derivatives. | |
AU681727B2 (en) | Method for the preparation of 2-perfluoroalkyl-3-oxazolin- 5-one | |
KR840003640A (en) | Method for preparing 3-methylene sepam compound | |
KR950000710A (en) | Cephalosporin antibiotics and preparation method thereof | |
KR970061899A (en) | Method for the preparation of 3-halomethyl-3-cephem-4-carboxylate 1-oxide | |
KR870006040A (en) | Substituted 4-fluoro-isoindolin, methods for preparing and using the same, and preparations containing them | |
KR970061895A (en) | Method for the preparation of 3-halomethyl-3-cephem | |
KR850006406A (en) | Method for preparing 4,7-dihydropyrazole [3,4-b] pyridine derivative | |
KR970074782A (en) | Preparation of 7-amino-3-cephem-4-carboxylic acid | |
KR940019681A (en) | Method for preparing beta-lactam compound and intermediates thereof | |
KR890006643A (en) | Monohydrate and Solvent Compounds of β-lactam Antibiotic | |
KR19990009210A (en) | Method for preparing cisapride | |
KR880000445A (en) | Process for preparing 7-amino-3-alkoxymethyl-3-cepem-4-carboxylic acid derivative | |
KR950018007A (en) | 1-β-methyl-carbapenem derivative and its preparation method | |
KR960000883A (en) | Novel Amine Compounds and Preparation Methods | |
KR880000453A (en) | Method for preparing cephalosporin derivatives and acid addition salts thereof | |
KR970061986A (en) | Process for the preparation of anthraquinone red disperse dyes | |
ATE244228T1 (en) | METHOD FOR PRODUCING CHLOROACETYLAMINOTHIAZOLEACETIC ACID DERIVATIVES | |
KR850008670A (en) | Method for preparing a novel acylaminophenol derivative having pharmaceutical properties |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
LAPS | Lapse due to unpaid annual fee |