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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
9
pubmed:dateCreated
2004-8-31
pubmed:abstractText
Selected 7beta-(benzo[a]dihydrocarbazolyloxyacetyl)-substituted cephalosporins (1a-e) were synthesised and tested for their antimicrobial activity against Gram-positive and Gram-negative clinical pathogens. All compounds synthesised (1a-e) showed an in vitro antimicrobial activity similar to that of ceftriaxone and cefpirome against the Gram-positive bacteria, and superior to that of penicillin and cefaclor against pen-R Staphylococcus aureus species. Like all beta-lactam agents, compounds 1a-e were in an inactive Minimum Inhibitory Concentration (MIC > 32 microg/ml) against methicillin-resistant S. aureus species. Furthermore, as expected, no cross-resistance was observed against the erythromycin-resistant Staphylococcus pyogenes strain. Finally, it is worth underlining that compounds 1a and 1e showed a similar activity to that of ceftriaxone and superior to cefaclor against penicillin-resistant Streptococcus pneumoniae isolates, a key respiratory tract infection (RTI) causing pathogen difficult to treat with currently marketed antibiotics.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Sep
pubmed:issn
0014-827X
pubmed:author
pubmed:issnType
Print
pubmed:volume
59
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
691-6
pubmed:meshHeading
pubmed:year
2004
pubmed:articleTitle
Synthesis and antimicrobial activity of new 7 beta-(benzo[a]dihydrocarbazolyloxyacetyl)-substituted cephalosporins.
pubmed:affiliation
Dipartimento di Scienze Farmaceutiche, Università degli Studi di Pisa, via Bonanno, 6, Pisa 56126, Italy. aros@farm.unipi.it
pubmed:publicationType
Journal Article