摘要:
A compound of the formula: wherein R 1 is lower alkyl, R 2 is carboxy or a protected carboxy group, R 3 is amino or a protected amino group and R 4 is lower alkyl having halogen atom(s) or lower unsaturated aliphatic group, and pharmaceutically acceptable salt thereof, and process for their preparation. The invention also relates to the starting derivatives and their preparation and to a pharmaceutical composition comprising, as an effective ingredient, the above compound in association with a pharmaceutically acceptable, substantially non-toxic carrier or excipient, and to a method for treating an infectious disease caused by pathogenes, which comprises administering the above compound to infected human beings or animals.
摘要:
A compound of the formula: wherein R 1 is amino or a protected amino group,
X is N or CH, and R 5 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 R 5 is lower alkynyl and R' is amino when R 5 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.
摘要:
The present invention relates to new 3,7-disubstituted-3-cephem-4-carboxylic acid compounds and pharmaceutically acceptable salts thereof. More particularly, it relates to new 3,7-disubstituted-3- cephem-4-carboxylic acid compounds and pharmaceutically acceptable salts thereof which have antimicrobial activities and to processes for preparation thereof, to pharmaceutical composition comprising the same, and to a method of using the same therapeutically in the treatment of infectious diseases in human being and animals. The invention relates also to the starting derivatives and their preparation.
wherein R 1 is lower alkyl, R 2 is carboxy or a protected carboxy group, R 3 is amino or a protected amino group and R 4 is lower alkyl having halogen atom(s) or lower unsaturated aliphatic group,
and pharmaceutically acceptable salt thereof, and process for their preparation. The invention also relates to the starting derivatives and their preparation and to a pharmaceutical composition comprising, as an effective ingredient, the above compound in association with a pharmaceutically acceptable, substantially non-toxic carrier or excipient, and to a method for treating an infectious disease caused by pathogenes, which comprises administering the above compound to infected human beings or animals.
摘要:
A compound of the formula: in which R 1 is amino or a protected amino group, R 2 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.
R 1 is amino or a protected amino group, R 2 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.
摘要:
Lower cycloalkyl substituted-benzene derivatives, the preparation thereof and their pharmaceutical compositions. Lower cycloalkyl substituted-benzene derivatives of the formula:- wherein R' is lower cycloalkyl, R 2 is carboxy, esterified carboxy, hydroxymethyl, lower alkoxymethyl or acyloxymethyl, R 3 is lower alkanoyl or lower alkyl substituted with hydroxy, amino, lower alkylamino, di(lower)alkylamino, acylamino, lower alkoxy, acyl or acyloxy, in which the lower alkyl moieties of the di(lower)alkyl amino radical may be joined together to form a heterocyclic ring containing the nitrogen atom and the carbonyl function of the acyl radical, which is a substituent on the lower alkyl radical, may be protected, X is hydrogen or halogen, and Y is a valency bond or lower alkylene; and pharmaceutically acceptable salts thereof; pharmaceutical composition comprising the same; and methods for treatment of inflammation by administering the same to mammals.