5
b
12
>99
92 (92)
6
b
5
>99
93 (90)
7
b
5
>99
33
8
b
24
40
18
a
Yields are determined by
1
H NMR spectroscopy; isolated yields are given in parentheses
b
No solvent was used
Recent Advances in the Applications of Metal-Ligand Cooperation via. . .
17