N
N
N
N
N
N N
N
N
N N
N
N
N
N
N
N
N
N
N
N
Pd
N
ONO 2
ONO 2
Me 2
Me 2
40
41
43
N
N
N
N
N
N
N
N
38
39
N
N
N
N
N
N
N
N
N
N
N
N
Pd
Pd
Pd
N
N
N
N
N
N
N
N
N
N
N
N
Pd
Pd
Pd
N
N
N
N
N
N
N
N
N
N
N
N
Pd
Pd
Pd
N
N
N
N
N
N
N
N
N
N
N
N
Pd
Pd
Pd
Pd1
Pd2
6+
6NO 3
-
6NO 3
-
6+
O
HN
O
NH
O
N
NH
O
N
42
Scheme 3.9 Molecular structures of 38–43, Pd1 and Pd2
Fig. 3.12 Schematic representation of the synthesis of metallogels and their facile conversion to
3D tetrahedral nanocages (L3 = 40; L4 = 41, M = 42). Reprinted with permission from [44].
Copyright © 2016, Royal Society of Chemistry
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3 Metal–Organic Gels