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. 2015 Oct 20;7(1):628–641. doi: 10.1039/c5sc03114a

Table 5. Kinetic activation parameters for the hydroboration of EtCN, p-MeOC6H4CN and m-MeOC6H4CN with HBpin, mediated by 10 mol% V.

Nitrile E a (kJ mol–1) ΔH≠ (kJ mol–1) ΔS≠ (J K–1 mol–1)
EtCN 106.5 (±3.0) 103.8 (±3.0) –4.1 (±9.4)
p-MeOC6H4CN 53.1 (±5.8) 50.4 (±5.8) –174.8 (±18.2)
m-MeOC6H4CN 46.2 (±3.1) 43.5 (±3.1) –197.6 (±9.7)