GR890100706A - Method of preparation of cepheme derivatives - Google Patents
Method of preparation of cepheme derivativesInfo
- Publication number
- GR890100706A GR890100706A GR890100706A GR890100706A GR890100706A GR 890100706 A GR890100706 A GR 890100706A GR 890100706 A GR890100706 A GR 890100706A GR 890100706 A GR890100706 A GR 890100706A GR 890100706 A GR890100706 A GR 890100706A
- Authority
- GR
- Greece
- Prior art keywords
- preparation
- cepheme
- derivatives
- oxygen
- compound
- Prior art date
Links
Landscapes
- Cephalosporin Compounds (AREA)
Abstract
Η παρούσα εφεύρεση αναφέρεται σε μια ένωση του τύπου /VI/: ΧΗΜΙΚΗ ΕΝΩΣΗ στην οποία το κά?ε R4, είτε είναι το ίδιο είτε διαφορετικό, είναι κατώτερο αλκύλιο ή αρύλιο και το Χ είναι οξυγόνο ή ?είο. Οι ενώσεις είναι χρήσιμες σαν ενδιάμεσα προιόντα στην παρασκευή κεφαλοσπορανικών παραγόντων. ωThe present invention relates to a compound of the formula /VI/: CHEMICAL COMPOUND in which R4, whether the same or different, is lower alkyl or aryl and X is oxygen or oxygen. The compounds are useful as intermediates in the preparation of cephalosporan agents. oh
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GR89100706 | 1989-10-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
GR890100706A true GR890100706A (en) | 1992-03-20 |
Family
ID=10939518
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GR890100706A GR890100706A (en) | 1989-10-31 | 1989-10-31 | Method of preparation of cepheme derivatives |
Country Status (1)
Country | Link |
---|---|
GR (1) | GR890100706A (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0002774A1 (en) * | 1977-12-24 | 1979-07-11 | Hoechst Aktiengesellschaft | Process for acylating 7aminocephem derivatives |
EP0175814A2 (en) * | 1984-09-27 | 1986-04-02 | Han-Mi Pharma Ind. Co., Ltd. | Process for preparing cephem derivatives |
DE3720681A1 (en) * | 1986-06-25 | 1988-01-28 | Korea Res Inst Chem Tech | New 1-sulphonyl:oxyl-6-tri:fluoromethyl-benzotriazole derivs. - useful as coupling agents in prodn. of 7-oxy:imino-acetamido-cephalosporin cpds. |
GB2193213A (en) * | 1986-07-01 | 1988-02-03 | Korea Res Inst Chem Tech | 6-trifluoromethyl-1H-benzotriazol-1-yl diphenylphosphate and its use in preparing cephalosporin derivatives |
-
1989
- 1989-10-31 GR GR890100706A patent/GR890100706A/en unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0002774A1 (en) * | 1977-12-24 | 1979-07-11 | Hoechst Aktiengesellschaft | Process for acylating 7aminocephem derivatives |
EP0175814A2 (en) * | 1984-09-27 | 1986-04-02 | Han-Mi Pharma Ind. Co., Ltd. | Process for preparing cephem derivatives |
DE3720681A1 (en) * | 1986-06-25 | 1988-01-28 | Korea Res Inst Chem Tech | New 1-sulphonyl:oxyl-6-tri:fluoromethyl-benzotriazole derivs. - useful as coupling agents in prodn. of 7-oxy:imino-acetamido-cephalosporin cpds. |
GB2193213A (en) * | 1986-07-01 | 1988-02-03 | Korea Res Inst Chem Tech | 6-trifluoromethyl-1H-benzotriazol-1-yl diphenylphosphate and its use in preparing cephalosporin derivatives |
Non-Patent Citations (1)
Title |
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CLAIMS SEARCHED: ALL * |
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