New cephem compounds and processes for preparation thereof
申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP0046964A2
公开(公告)日:1982-03-10
A compound of the formula:
in which
R1 is amino or a protected amino group,
R2 is an aliphatic hydrocarbon residue which may have suitable substituent(s),
X is N or CH, and
Y is hydrogen, amino or a protected amino group;
and pharmaceutically acceptable salts thereof, and processes for their preparation and also a pharmaceutically composition comprising, as an effective ingredient, the above compound in association with pharmaceutically acceptable carriers.
式的化合物:
其中
R1 是氨基或受保护的氨基、
R2 是脂肪烃残基,可具有合适的取代基、
X 是 N 或 CH,以及
Y 是氢、氨基或受保护的氨基;
及其药学上可接受的盐,以及其制备工艺和一种药用组合物,该组合物作为有效成分包含上述化合物与药学上可接受的载体。
New cephem compounds, processes for their preparation, pharmaceutical compositions containing them and intermediate products for their preparation
申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP0074653A2
公开(公告)日:1983-03-23
New cephem cumpounds of the formula:
wherein
R' is ammo or a protected amino group.
R2 is lower aliphatic hydrocarbon group which may be substituted with suitable substituent(s), cylclopower)lalkyl or cyclo(lower)alkenyl;
R3 defines certain subsituents,
R4 is hydrogen or lower alkyl, and pharmaceutically acceptable salts thereof, processes for their preparation, and a pharmaceutrcal antibacterial composition comprising the above compound in associationwith a pharmaceutically acceptable substantially carrier or excipient.The Invention refers also to compounds of the formula
New starting compounds for the preparation of cephem compounds and processes for preparation thereof
申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP0156118A1
公开(公告)日:1985-10-02
A compound of the formula:
wherein R1 is amino or a protected amino group,
X is N or CH, and
R5 is ethyl, cyclo (lower) alkyl, cyclo (lower) alkenyl, lower alkyl having a protected carboxy group, lower alkynyl or lower alkylthio(lower)alkyl,
provided that X is N when R5 is lower alkynyl and
R' is amino when R5 is ethyl, or a salt therof, and processes fortheir preparation. The compounds are useful as starting material for the preparation of pharmaceutically active cephem compounds.
Process for preparing intermediate products and their use for preparing cephem compounds
申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP0231475A1
公开(公告)日:1987-08-12
A process for preparing a compound of the formula :
wherein
R2 is lower aliphatic hydrocarbon group which may be substituted with suitable substituent(s), cyclo(lower)alkyl or cyclo(lower)alkenyl; or a salt thereof, which comprises reacting a compound of the formula :
wherein
R2 is as defined above and
Y is halogen,
or a salt thereof, with a salt of HSCN.
The obtained compounds are intermediates which can be used for preparing cephem compounds.