Claims
- 1. Syn-Isomers of 7-substituted-3-cephem-4-carboxylic acid esters of the formula: ##STR4## wherein R is 2-ethylbutyryloxymethyl or 3,3-dimethylbutyryloxymethyl, or salts thereof.
- 2. A compound of claim 1, which is 2-ethylbutyryloxymethyl 7-[2-(2-aminothiazol-4-yl)-2-methoxyiminoacetamido]-3-cephem-4-carboxylate (syn-isomer).
- 3. A compound of claim 1, which is 3,3-dimethylbutyryloxymethyl 7-[2-(2-aminothiazol-4-yl)-2-methoxyiminoacetamido]-3-cephem-4-carboxylate (syn-isomer).
- 4. A pharmaceutical composition which comprises, as active ingredients, an effective amount of the compound claimed in claim 1, in admixture with pharmaceutically acceptable carriers.
- 5. A method for treating infectious diseases caused by pathogenic microorganisms, which comprises administering an effective amount of the compound claimed in claim 1 to infected human being or animals.
Priority Claims (1)
Number |
Date |
Country |
Kind |
56-77447 |
May 1981 |
JPX |
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Parent Case Info
This application is a continuation-in-part of application Ser. No. 302,668, filed Sept. 15, 1981, now U.S. Pat. No. 4,427,674, which in turn is a division of application Ser. No. 886,340, filed Mar. 14, 1978.
US Referenced Citations (4)
Number |
Name |
Date |
Kind |
4278793 |
Durckheimer et al. |
Jul 1981 |
|
4298529 |
Ueda et al. |
Nov 1981 |
|
4299829 |
Kamiya et al. |
Nov 1981 |
|
4368325 |
Ueda et al. |
Jan 1983 |
|
Foreign Referenced Citations (2)
Number |
Date |
Country |
8343 |
Mar 1980 |
EPX |
2810922 |
Sep 1978 |
DEX |
Divisions (1)
|
Number |
Date |
Country |
Parent |
886340 |
Mar 1978 |
|
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
302668 |
Sep 1981 |
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