7-Acyl-3-(sulfonic acid and sulfamoyl substituted tetrazolyl thiomethyl)
申请人:SmithKline Corporation
公开号:US04159373A1
公开(公告)日:1979-06-26
The compounds of this invention are cephalosporins having a 3- or 4-aminomethylphenylacetamido substituent at the 7-position and a sulfonic acid substituted tetrazolyl thiomethyl group at the 3-position of the cephem nucleus. The compounds have antibacterial activity.
7-Acyl-3-(sulfonic acid and sulfamoyl substituted tetrazolyl
申请人:SmithKline Corporation
公开号:US04048311A1
公开(公告)日:1977-09-13
The compounds of this invention are cephalosporins having various acyl substituents at the 7-position and a sulfonic acid or sulfamoyl substituted tetrazolyl thiomethyl group at the 3-position of the cephem nucleus and intermediates for the preparation thereof. The 7-acylated compounds have antibacterial activity.
7-Amino-3-(sulfonic acid and sulfamoyl substituted
申请人:SmithKline Corporation
公开号:US04139701A1
公开(公告)日:1979-02-13
The compounds of this invention are cephalosporins having various acyl substituents at the 7-position and a sulfonic acid or sulfamoyl substituted tetrazolyl thiomethyl group at the 3-position of the cephem nucleus and intermediates for the preparation thereof. The 7-acylated compounds have antibacterial activity.
Intermediates for preparing 7-acyl-3-(sulfonic acid and sulfamoyl
申请人:SmithKline Corporation
公开号:US04140694A1
公开(公告)日:1979-02-20
The compounds of this invention are cephalosporins having various acyl substituents at the 7-position and a sulfonic acid or sulfamoyl substituted tetrazolyl thiomethyl group at the 3-position of the cephem nucleus and intermediates for the preparation thereof. The 7-acylated compounds have antibacterial activity.
New semisynthetic cephalosporins are described whose structures are characterized by having an .alpha.-oxyimino group in the 7-acetamido moiety and a sulfosubstituted tetrazolylthiomethyl group at position 3. The compounds are active antibacterial agents especially against Gram negative organisms.