Synthesis, Characterization, and Physicochemical Studies of Mixed Ligand Complexes of Inner Transition Metals with Lansoprazole and Cytosine

Table 7

¹H NMR signals of the ligands and mixed ligand complexes of M-Lanso-Cyto.

Serial no.	kind of proton Lanso		[Th·Lanso·Cyto·4H2O]NO3·𝑥H2O	[Ce·Lanso·Cyto·4H2O]SO4·𝑥H2O	[Gd·Lanso·Cyto·4H2O]NO3·𝑥H2O	[Nd·Lanso·Cyto·4H2O]NO3·𝑥H2O
1	Aromatic; benzimidazole	7.35–7.63	7.33–7.69	7.25–7.70	7.38–7.64	7.1
2(a)	Aromatic; pyridine	8.18	8.20	8.30	8.2	8.2
(b)	Aromatic; pyridine	6.98	6.90	6.94	6.5
3(a)	Methylene-CH2-	4.81	4.7 (sharp)	4.7 (sharp)	4.7 (sharp)	4·6 (sharp)
4	Methyl-CH3	2.20	2.26	2.24	2.3	2.39
	Cyto
6	N(1) –H	10.7	10.52	—	—	—