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Cephems are a sub-group of β-lactam antibiotics including cephalosporins and cephamycins. It is one of the most common 4-membered ring heterocycle. Produced...

includes penicillin derivatives (penams), cephalosporins and cephamycins (cephems), monobactams, carbapenems and carbacephems. Most β-lactam antibiotics...

structures. (A) A penam. (B) A carbapenam. (C) An oxapenam. (D) A penem. (E) A carbapenem. (F) A monobactam. (G) A cephem. (H) A carbacephem. (I) An oxacephem....

cephamycins, they constitute a subgroup of β-lactam antibiotics called cephems. Cephalosporins were discovered in 1945, and first sold in 1964. The aerobic...

as cephalosporins. Like cephalosporins, cephamycins are based upon the cephem nucleus. Unlike most cephalosporins, cephamycins are a very efficient antibiotic...

antibiotics, based on the structure of cephalosporin, a cephem. Carbacephems are similar to cephems, but with a carbon substituted for the sulfur. It prevents...

Kidney Identifiers IUPAC name (7R)-3-methyl-7-(α-D-phenylglycylamino)-3-cephem-4-carboxylic acid monohydrate CAS Number 15686-71-2 Y PubChem CID 2666 IUPHAR/BPS...

Penicillin-derived antibiotics penicillin, carbenicillin, oxacillin cef- Cephem-type antibiotics cefazolin -mab Monoclonal antibodies trastuzumab, ipilimumab...

has a bicyclic ring with four-member β-lactam ring fused to a six-member cephem ring. Ceftaroline is thought to have activity against MRSA with its 1,3-thiazole...

assigned to Fujisawa  US 4427674, Takaya T, Hisashi T, Kiyoshi T, Toshiyuki C, "Cephem compounds", issued 24 January 1984, assigned to Fujisawa  v t e...

An oxacephem is a β-lactam molecule similar to a cephem, but with an oxygen substituted for the sulfur. They are synthetic compounds not seen in nature...

Singh GS (January 2004). "Beta-lactams in the new millennium. Part-II: cephems, oxacephems, penams and sulbactam". Mini Reviews in Medicinal Chemistry...

Singh GS (January 2004). "Beta-lactams in the new millennium. Part-II: cephems, oxacephems, penams and sulbactam". Mini Reviews in Medicinal Chemistry...

Imipenem Meropenem) Biapenem‡ Panipenem) Penems (Faropenem Ritipenem§) Cephems Cephalosporins Cephamycins Carbacephems Monobactams Aztreonam Tigemonam‡...

beta-lactam antibiotics (penicillin derivatives (penams), cephalosporins (cephems), monobactams, and carbapenems) and vancomycin. Also bactericidal are daptomycin...

discovery of erythromycin, another antibiotic. Cephamycin C was the first cephem discovered but while it was highly resistant to several beta-lactamases...

alpha.-methoxy-3-[[(1-methyl-1H-tetrazol-5-yl)thio]methyl]-1-oxa-1-dethia-3-cephem-4-carboxylic acid disodium salt (6059-S) and its related 1-oxacephems"....

Imipenem Meropenem) Biapenem‡ Panipenem) Penems (Faropenem Ritipenem§) Cephems Cephalosporins Cephamycins Carbacephems Monobactams Aztreonam Tigemonam‡...

penams (penicillin derivatives such as methicillin and oxacillin) and cephems such as the cephalosporins. Strains unable to resist these antibiotics...

First-choice drugs for E. corrodens infections should be third-generation cephems, carbapenems, or new quinolones. It is innately resistant to macrolides...