Synthesis of Pyrazolone Derivatives and Their Nanometer Ag(I) Complexes and Physicochemical, DNA Binding, Antitumor, and Theoretical Implementations

Table 2

DMSO-d₆, ¹H NMR, and ¹³C NMR data (ppm) for Ag(I)-pyrazolone complexes.

Compound	δ(s, NH2)	δ(m, Ar-CHs, amidic-NH); (s, CH3)	δ(s, NHh)	δ(CH3)	δ(2C, Ar), (2C, Ar)	δ(C, Ar), (p-C, Ar)	δ(C=O)	δ2(C=N)
Ag(I) + HL^1	5.86	7.13–7.52	10.55	—	115.48, 128.89	141.32, 118.35	161.21	150.47
Ag(I) + HL^2	5.90	7.43–7.60	10.56	—	117.39, 129.69	141.34, 125.61	161.30	150.37
Ag(I) + HL^3	5.86	7.21–7.44; 2.3	10.54	20.92	115.60, 130.33	139.90, 129.30	161.89	153.81
Ag(I) + HL^4	6.09	7.78–8.10	10.69	—	117.36, 128.38	148.33, 143.09	158.04	150.25