Coordination Chemistry of Polyaromatic Thiosemicarbazones 2: Synthesis and Biological Activity of Zinc, Cobalt, and Copper Complexes of 1-(Naphthalene-2-yl)ethanone Thiosemicarbazone

Table 1

Binding constants for the reaction of the complexes with ct-DNA.

Compound	λ (nm)	10^4 K (M^−1) (R^2)	% hypochromicity
1	325	9.7 ± 0.6 (0.988)	89
2	312	17.8 ± 0.3 (0.977)	36
3	330*	9.5 ± 0.4 (0.990)	13

*measured at shoulder.