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.
Compound
C(2)
C(3)
C(4)
C(5)
C(6)
C(1′)
C(2′)
C(3′)
C(4′)
C(5′)
C(6′)
CO
CHn
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].