Synthesis of N-Tetradecyl-1,10-phenathrolinium-Based New Salts for Biological Applications

Table 3

Antibacterial studies of the investigated compounds (inhibition zones).

Compound	Inhibition zone (mm)
	Gram-negative bacteria		Gram-positive bacteria
	E. coli	K. pneumoniae	S. aureus	S. pyogenes
[C26H37 N2]Br	19.75	19.75	16.50	25.00
[C26H37 N2][(CF3SO2)2N]	20.25	20.25	23.50	20.25
Gentamicin	31.25	25.00	26.50	28.25
[Cu(Phen)2Cl]Cl	15.00	17.25	29.75	29.50
1,10-Phenanthroline	36.00	18.75	36.00	31.25