Title:
CEPHEM COMPOUNDS
Document Type and Number:
WIPO Patent Application WO/1984/004747
Kind Code:
A1
Abstract:
Cephem compounds represented by general formula (I), wherein R1 represents a hydrogen atom or an amino group-protecting group and R2 represents formula (II) or (III), wherein R3 represents a lower alkyl group and R4 represents a lower alkyl group or an alkoxy group, and salts thereof. These compounds are useful as starting materials for synthesizing cephalosporin derivatives for oral administration.
Inventors:
KAKEYA NOBUHARU (JP)
KITAO KAZUHIKO (JP)
KITAO KAZUHIKO (JP)
Application Number:
PCT/JP1983/000181
Publication Date:
December 06, 1984
Filing Date:
June 02, 1983
Export Citation:
Assignee:
KYOTO PHARMA IND (JP)
International Classes:
A61K31/545; C07D501/04; C07D501/18; C07D501/36; C07D; (IPC1-7): C07D501/04; C07D501/18; C07D501/36; A61K31/545
Foreign References:
| JPS5116687A | 1976-02-10 | |||
| JPS5686188A | 1981-07-13 | |||
| JPS56128786A | 1981-10-08 | |||
| JPS5759894A | 1982-04-10 |
Other References:
See also references of EP 0146626A4
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