Table 3. Effect of the Substrate Structure on the HAT Reactivity of Five-Membered-Ring Nitrogen-Containing Heterocycles.

^aMeasured in argon-saturated acetonitrile solution at T = 25 °C employing 355 nm LFP: [dicumyl peroxide] = 1.0 M. Average of at least two independent experiments.

^bMeasured in DMSO solution.