1-carba-(dethia)-cephalosporin derivatives

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...

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540205, A61K 31435, C07D46300

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active

059394102

ABSTRACT:
Compounds of formula I wherein
R.sup.1 is hydrogen, lower alkyl which is unsubstituted or substituted by fluoro, aralkyl, cycloalkyl, --COR.sup.4 or --C(R.sup.5 R.sup.6)CO.sub.2 R.sup.7 --C(R.sup.5 R.sup.6)CONHR.sup.7 ; where R.sup.5 and R.sup.6 are each independently hydrogen or lower alkyl, or R.sup.5 and R.sup.6 taken together form a cycloalkyl group; R.sup.4 is hydrogen or lower alkyl and R.sup.7 is hydrogen, lower alkyl, lower alkenyl or a carboxylic acid protecting group;
R.sup.2 is hydrogen, hydroxy, lower alkyl-Q.sub.m, cycloalkyl, lower alkoxy, lower alkenyl, cycloalkenyl, lower alkynyl, aralkyl-Q.sub.m, aryl-Q.sub.m, aryloxy, aralkoxy, a heterocyclic ring or heterocyclyl lower alkyl, the lower alkyl, cycloalkyl, lower alkoxy, lower alkenyl, cycloalkenyl, lower alkynyl, aralkyl, aryl, aryloxy, aralkoxy and the heterocyclic ring being unsubstituted or substituted with at least one group selected from carboxy, amino, nitro, cyano, lower alkyl which is unsubstituted or substituted by fluoro, lower alkoxy, hydroxy, halogen, --COR.sup.6, --C(R.sup.5 R.sup.6)CO.sub.2 R.sup.7, --C(R.sup.5 R.sup.6)CONR.sup.5 R.sup.8, --CONR.sup.5 R.sup.6, --N(R.sup.6)COOR.sup.10, R.sup.6 OCO-- or R.sup.6 COO-- where R.sup.5 and R.sup.6 are hydrogen or lower alkyl; R.sup.7 is hydrogen, lower alkyl, lower alkenyl or a carboxylic acid protecting group; R.sup.8 is hydrogen, lower alkyl or phenyl which is unsubstituted or substituted with at least one halogen, hydroxy, amino, lower alkyl, or lower alkoxy; R.sup.10 is lower alkyl, lower alkenyl or a carboxylic acid protecting group;
Q is --CHR--, --CO-- or --SO.sub.2 --;
R is hydrogen or lower alkyl;
R.sup.3 is hydroxy, --O--, lower alkoxy, --OM and M represents an alkali metal;
m is 0 or 1;
n is 0, 1 or 2;
x is CH or N
as well as readily hydrolysable esters thereof, pharmaceutically acceptable salts of said compounds and hydrates of the compounds of formula I and of their esters and salts are provided. These compounds have valuable antiinfective properties.

REFERENCES:
Heinze-Krauss, et al., J. Med. Chem., 39(9):1864-1871 (1996).
Ochial, et al., Chemical Abstracts, 95(19), Abstract No. 69101f (1981).
Patent Abstracts of Japan, 4(186) (1980) for JP 55-124790.

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