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. 2021 Oct 25;40(21):3608–3616. doi: 10.1021/acs.organomet.1c00484

Table 1. RCM of 4 Promoted by Complex Ru8 upon Thermal or Light Activation.

graphic file with name om1c00484_0005.jpg

entry solvent activation time (h) conversn (%)
1 CD2Cl2 none, 20 °C 720 <5
2 CD2Cl2 heat, reflux 48 <5
3 CD2Cl2 hν, 20 °C 24 25
4 C6D6 none, 20 °C 720 <5
5 C6D6 heat, 80 °C 7 29a
6 C6D6 heat, 80 °C 24 63a
7 C6D5CD3 heat, 80 °C 24 79
8 C6D5CD3 heat, 110 °C 5 78
9 C6D6 hν, 20 °C 12 73
a

The formation of a side product, namely the product resulting from cycloisomerization, was observed.