Cephalosporin degradations

Cephalosporin degradations Orally absorbable cephalosporin antibiotics. 1. Structure-activity relationships of benzothienyl- and naphthylglycine derivatives of 7-aminodeacetoxycephalosporanic acid Orally absorbable cephalosporin antibiotics. 2. Structure-activity studies of bicyclic glycine derivatives of 7-aminodeacetoxycephalosporanic acid Kinetic Study on Cephamycin C Degradation Semisynthetic cephalosporins. Synthesis and structure-activity relationships of 7-(1-pyrryl)- and 7-(1-indolyl)acetamidocephalosporin derivatives Orally active cephalosporins and penicillins Orally absorbable cephalosporin antibiotics. 3. Preparation of biologically active R-isomer of 7-(3-benzothienylglycylamido)deacetoxycephalosporanic acid Hydrolysis of 3-cloro-3-cephems. Intramolecular nucleophilic attack in cefaclor Orally active esters of cephalosporin antibiotics. Synthesis and biological properties of acyloxymethyl esters of 7-(D-2-amino-2-phenylacetamido)-3-[5-methyl-(1,3,4-thiadiazol-2-yl)thiomethyl]-3-cephem-4-carboxylic acid Oral absorption of cephalosproin antibiotics 2. Expanded structure-activity relationships of 7-arylacetamido-3-substituted cephalosporins