Abstract
PurposeThe purpose of this paper is to develop a number of new anti‐fouling agents that are friendlier to the environment.Design/methodology/approachSeven copper(II) and cobalt complexes of 3‐(2‐furylidene) hydrazine‐5,6‐diphenyl‐1,2,4‐triazine (L) were prepared by interacting 3‐(2‐furylidene) hydrazino‐5,6‐diphenyl‐1,2,4‐triazine (L) with cobalt(II) and copper salts. The structures of the prepared complexes were confirmed by elemental analyses, IR and nujol mull electronic spectra, as well as magnetic susceptibility measurements. The anti‐fouling activity was measured on barnacle larvae.FindingsThe in vitro toxicity of the organic ligand and its cobalt and copper complexes on barnacle larvae was measured. The results indicated that the toxicity of the ligand increased upon complexation and that copper complexes are the most active ones.Originality/valueSuccessful development of some new copper(II) and cobalt complexes of 1,2,4‐triazine that have in vitro anti‐fouling activity against barnacle larvae and might be safe to the marine environment.
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