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US 5,210,080 AGranted
Cephem compounds
AssigneeFujisawa Pharmaceutical Co., Ltd.
InventorsTakao Takaya, Kazuo Sakane, Kenzi Miyai, Kohji Kawabata
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Abstract
The invention relates to compounds of antimicrobial activity, of the formula ##STR1## wherein R.sup.1 is amino or protected amino, R.sup.2 is lower alkyl or lower alkenyl, R.sup.3 is lower alkyl, hydroxy(lower)alkyl or protected hydroxy(lower)alkyl, R.sup.4 is amino, protected amino, lower alkylamino, protected lower alkylamino, carboxy(lower)alkylamino, N-[protected carboxy(lower)alkyl]amino and R.sup.7 is hydrogen or lower alkyl, or a pharmaceutically acceptable salt thereof.
Claims8
A compound of the formula :
- ##STR9## wherein R.sup.1 is amino or protected amino,
- R.sup.2 is lower alkyl or lower alkenyl,
- R.sup.3 is lower alkyl, hydroxy(lower)alkyl or protected hydroxy(lower)alkyl,
- R.sup.4 is amino, protected amino, lower alkylamino, protected lower alkylamino, carboxy(lower)alkylamino, N-[protected carboxy(lower)alkyl]amino and
- R.sup.7 is hydrogen or lower alkyl, and a pharmaceutically acceptable salt thereof.
2 more elements
Dependencies are inferred from the claim text.