Fig. 4: Mechanistic experiments.
From: Practical and regioselective halonitrooxylation of olefins to access β-halonitrates

a Radical inhibition experiments. b The Hammett equation: y = −2.3421x + 0.1526 (R2 = 0.9853). BQ 1,4-benzoquinone, DDQ 2,3-dichloro-5,6-dicyano-1,4-benzoquinone, TEMPO 2,2,6,6-tetramethylpiperidoxyl, N.P. no product.