Research Article

1H, 13C, and 15N NMR Studies of Au(III) and Pd(II) Chloride Complexes and Organometallics with 2-Acetylpyridine and 2-Benzoylpyridine

Table 2

13C chemical and coordination/protonation shifts (in parentheses) for Au(III) and Pd(II) chloride complexes, organometallics and salts with 2apy or 2bz′py.

CompoundC(2)C(3)C(4)C(5)C(6)C(1′)C(2′)C(3′)C(4′)C(5′)C(6′)COCHn

2ap 152.9 121.0 137.4 127.6 149.1 199.4 25.5

[Au(2apy*)Cl2 150.1 126.1 144.2 131.4 148.0 197.2 57.7

2bz′p 155.2 124.7 137.2 126.3 148.7 136.4 131.1 128.3 133.0 194.0
2bz′p 155.4 124.6 137.3 126.5 148.8 136.8 131.2 128.3 133.0 as C(3′)as C(2′) 194.0
2bz′p 156.1 125.2 138.4 127.5 149.6 137.7 131.8 129.1 133.8 195.0
2bz′p 154.5 124.1 137.6 126.7 148.5 136.0 130.6 128.1 132.9 193.4

[Au(2bz′py)Cl3 153.8 129.9 142.4 129.9 152.6 n.d. 131.2 129.4 135.3 n.d.

trans-[Pd(2bz′py)2Cl2 157.5 127.4 139.0 126.6 153.6 n.d. 132.0 128.7 133.7 191.8

[Au(2bz′py*)Cl2 146.8 127.7 143.9 129.9 152.3 128.3 138.5 134.4 134.2 129.3 130.6 189.5
[Au(2bz′py*)Cl2 145.1 127.1 144.3 129.6 152.7 127.7 136.7 133.9 133.2 128.6 129.9 188.7

(2bz′pyH)[AuCl4 n.d. 130.5 149.3 131.5 144.7 134.6 131.4 130.2 136.0 187.9

Literature data for a[Au(2apy*)Cl2] in DMSO-d6: 147.8, 144.1, 131.3, 126.0, 57.7 ppm (unassigned, quaternary carbon lacking) and b[Au(2bz′py*)Cl2] in DMSO-d6:127.1, 127.8, 128.6, 129.6, 129.9, 133.2, 134.0, 136.7, 144.3, 145.1, 152.8, 188.7 ppm (unassigned) [9].