Table 3:
NMR spectral signals (δ) of complex (CL
rt
T).
Peak/signal
CL
rt
T(δ)
−
CH
3
−CH
2
−R
0.979
−
CH
2
−CH
2
−R
1.256
−
CH
2
−C(=O)OCu
2.354
−
CH
2
−CH
2
−C(=O)OCu
1.646
-NH
2
(broadend peak)
4.22
-NH
2
(tautomeric and weak signal)
7.84