- Antibacterial activity of enrofloxacin and ciprofloxacin derivatives of β-octaarginine.
Antibacterial activity of enrofloxacin and ciprofloxacin derivatives of β-octaarginine.
Chemistry & biodiversity (2015-02-14)
Nirupam Purkayastha, Stefania Capone, Albert K Beck, Dieter Seebach, Jennifer Leeds, Katherine Thompson, Heinz E Moser
PMID25676502
ABSTRACT
β(3) -Octaarginine chains were attached to the functional groups NH and CO2 H of the antibacterial fluoroquinolones ciprofloxacin (→1) and enrofloxacin (→2), respectively, in order to find out whether the activity increases by attachment of the polycationic, cell-penetrating peptide (CPP) moiety. For comparison, simple amides, 3-5, of the two antimicrobial compounds and β(3) -octaarginine amide (βR8 ) were included in the antibacterial susceptibility tests to clarify the impact of chemical modification on the microbiological activity of either scaffold (Table).
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Acetonitrile solution, contains 0.05 % (w/v) ammonium formate, 5 % (v/v) water, 0.1 % (v/v) formic acid, suitable for HPLC
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Acetonitrile solution, contains 10.0% acetone, 0.05% formic acid, 40.0% 2-propanol
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