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Table 3 H NMR spectral data of 3a-, 3b-, 3c-, 4a-, 4b-, and 4c-perchlorates in CD3CN

From: Interaction of 2-aminopyrimidine with dichloro-[1-alkyl-2-(naphthylazo) imidazole]palladium(II) complexes : Kinetic and mechanistic studies

Compoundh δ, ppm (J, Hz)
  4-Ha 5-Ha 8-Hb 9-H 10-H 11–15-Hc N(1)-CH3 N(1)-CH2 N(1)-CH2-CH3 a,c-Hd b,-He
3a-diperchlorate 7.01 6.83   7.88 (7.0)d 7.59c 7.60 4.12    9.03 (7.0) 8.54 (7.0)
3b-diperchlorate 7.03 6.86   7.90 (7.0)d 7.62c 7.62   4.30 (9.0)g 1.65 (7.0)e 9.05 (7.0) 8.55 (7.0)
3c-diperchlorate 7.05 6.90   7.92 (7.0)d 7.72c 7.63   5.71b, f   9.08 (7.0) 8.57 (7.0)
4a-diperchlorate 7.02 6.81 8.01   7.81 (7.0)d 7.81 4.15    9.05 (7.0) 8.58 (7.0)
4b-diperchlorate 7.03 6.87 8.05   7.83 (7.0)d 7.83   4.32 (9.0)g 1.61 (7.0)e 9.08 (7.0) 8.59 (7.0)
4c-diperchlorate 7.07 6.92 8.10   7.88 (7.0)d 7.88   5.75b, f   9.10 (7.0) 8.61 (7.0)
  1. a Broad singlet; b Singlet; c Multiplet, d Doublet, e Triplet, f Ph-H : 7.45 – 7.55 ppm, g Quartet; h δ(NH2): 4.26–4.32 (broad) ppm