Table 5. Substrate Scope of Arene Bromination.

^aConditions A: 1 equiv. arene, 1.1 equiv. NBS, 0.1 equiv. (NH₄)₂S₂O₈, 0.01 equiv. erythrosine B [0.0017M], MeCN, air, 20 °C, white LED. All yields are isolated unless otherwise noted.

^bConditions B: 2.2 equiv. NBS used. Yields are isolated.

^cGC yield calculated using adamantane as the internal standard.

^dDetermined by ¹H NMR integration using nitrobenzene as the internal standard.

^eInseparable mixture of isomers.