Table 3.

Water-exchange rates of Gd^III-containing complexes 43–65 discussed in section 2.3 from ¹⁷O-NMR spectroscopy.

Complex	kex (×106 s−1)	Reference
43	270	[10]
44	61	[50]
45	110	[51]
46	1.6	[52]
47	81.2	[53]
48	1.1	[53]
49	86	[54]
50	0.6	[54]
51	330	[55]
52	31	[56]
53	80	[50]
54	31	[50]
55	18 (37 °C)	[57]
56	12 (37 °C)	[57]
57	11 (37 °C)	[57]
58	10 (37 °C)	[57]
59	9.26 (37 °C)	[57]
60	43	[58]
61	11	[59]
62	34	[54]
63	59	[60]
64	29	[61]
65	63	[62]