Claims
- 1. Celphalosporin compounds of the general formula: ##STR148## in which: x is an oxygen atom or a sulfur atom
- R.sub.1, R.sub.2, and R.sub.3 each designate, a hydrogen atom or else R.sub.1 and R.sub.2 designate a hydrogen atom or a methyl group, and R.sub.3 designates a carboxyl or cyclopropyl group or else
- R.sub.1 and R.sub.2 taken together with the carbon atom to which they are linked form a cyclobutyl or cyclopentyl group and R.sub.3 is a carboxyl group,
- B is the residue of a primary or secondary amine selected from the following groups:
- Z--NH.sub.2 where Z is an alkylene group with a straight or branched chain having from 2 to 7 carbon atoms, possibly interrupted by a sulfur atom, or else Z is a 1,3-cyclohexylene or 1,4 cyclohexylene group and n is zero, 1 or 2,
- Z'--Alk--NH--R where Z' is a 1,2-phenylene or 1,3-phenylene or 1,4-phenylene group possibly substituted by 1, 2 or 3 methyl groups or else Z' is a 1,2-cyclohexylene, pb 1,3-cyclohexylene or 1,4-cyclohexylene group, n is 1 or 2, Alk is a straight or branched alkyl group having from 2 to 3 carbon atoms, possibly interrupted by a sulfur atom, and R is a hydrogen atom or an alkyl group having from 1 to 3 carbon atoms, ##STR149## where Z" is a 1,3 phenylene or 1,4 phenylene group, Y is an alkyl group (CH.sub.2).sub.m in which m=1,2 or 3, R' is hydrogen or methyl, n is zero, 1 or 2 and R is as defined above,
- --Z"--CO--NH--Y--NH.sub.2 where Z" and Y are as defined above and n is zero, 1 or 2,
- --Z"--Y'--NH--CO--Y--NH.sub.2 where Z" and Y are as defined above and Y' is a straight or branched alkyl group with 1 or 2 carbon atoms, ##STR150## where O=0 or 1, n is zero, 1 or 2 and Y is as defined above, a 2-piperidyl, 3-piperidyl or 4-piperidyl group possibly substituted in the nitrogen atom by a --CO--Y--NH.sub.2 group where Y is as defined above and n is zero, 1 or 2,
- a group ##STR151## wherein n is zero, 1 or 2, the bicyclic group ##STR152## wherein n is zero, 1 or 2, as well as the pharmaceutically acceptable salts and esters thereof.
- 2. Antibiotic composition containing a cephalosporin derivative as claimed in claim 1, in combination with a pharmaceutically acceptable vehicle.
Priority Claims (1)
Number |
Date |
Country |
Kind |
84 14878 |
Sep 1984 |
FRX |
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Parent Case Info
This application is a continuation of application Ser. No. 775,667, filed Sept. 13, 1985, now abandoned.
US Referenced Citations (8)
Foreign Referenced Citations (1)
Number |
Date |
Country |
1140114 |
Jan 1983 |
CAX |
Continuations (1)
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Number |
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Parent |
775667 |
Sep 1985 |
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