Table 2.
Free energy of activation for cyclization and reductive elimination steps in the reaction of 38 with aryl bromides.
Entry | R | ΔG‡ (cycl.) | ΔG‡ (RE) |
---|---|---|---|
1 | H | 107.5 kJ/mol | 53.1 kJ/mol |
2 | CN | 101.3 kJ/mol | 38.8 kJ/mol |
3 | OMe | 107.9 kJ/mol | 50.6 kJ/mol |