Catalyst
Yield, %
(40 °C)
de, %
(40 °C)
2
55
50
3
69
83
4
60
51
5
47
59
6
69
72
7
67
69
8
45
59
9
42
64
37
69
>94
Scheme 34 Metal-catalyzed cyclopropanation of styrene
Scheme 35 Diruthenium complexes 53–61 having N^O bridging ligand
Reactivity and Catalysis at Sites Trans to the [Ru–Ru] Bond
81