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One‐pot nitrations using 4 (0.5 mmol), 3 (1.1 equiv), mCPBA (1.1 equiv), TfOH (2–3 equiv). and NaNO2 (3 equiv). Yields are those of isolated products. [a] Nitration at 80 °C, with <5 % impurity. [b] TsOH⋅H2O (1 equiv) used instead of TfOH. [c] 2 d/2 i>20:1. [d] Anisole (5 equiv) used.
