Research Article

Synthesis, Characterization, and Biological Studies of a Piperidinyl Appended Dipicolylamine Ligand and Its Rhenium Tricarbonyl Complex as Potential Therapeutic Agents for Human Breast Cancer

Table 6

Comparison of the 1H NMR shifts of N(SO2pip)dpa ligand and [Re(CO)3(N(SO2pip)dpa)]+ complex in DMSO-.

H6/6′H5/5′H4/4′H3/3′−CH2

N(SO2pip)dpa8.49 (d)7.27 (t)7.75 (t)7.35 (d)4.53 (s)
Re(CO)3(N(SO2pip)dpa)8.84 (d)7.47 (t)8.06 (t)7.61 (d)5.39 (d), 5.01 (d)