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Reagents and conditions: (a)445 (1) n-BuLi, TMEDA, hexane, 60 °C, 3 h, (2) Te powder, ultrasound, rt, 12 h; (b) Br2, DCM, rt, 15 min; (c) I2 (yield not given); (d)446 FeCl3, DCM, MeNO2, rt, 2 h.
