]>

Table 2: Thermal analytical data for complexes.

Compound Dehydration Decomposition temperature (°C) temperature (°C) T1 T2 Weight loss (%) T3 T4 Total weight loss (%) Hsp-Cu 100 250 7.2 347 540 55.9 Nrg-Cu 94 117 7.9 248 440 76.5 Apg-Cu — 247 5.2 420 580 55.9

T1–T2: temperature range corresponding to complex dehydration; T3–T4: temperature range corresponding to complex decomposition.