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α‐Trideuteromethylation of ketones with CD3OD. a) KOtBu (4 equiv.), 85 °C, 24 h; b) Me3NO (0.04 equiv.), NaOH (2 equiv.), 80 °C, 24 h; c) Cs2CO3 (4 equiv.), 105 °C, 24 h; d) PCy3, LiOtBu (0.3 eq), 130 °C, 48 h e) KOH (0.1 equiv.), K3PO4 (2 equiv.), 90 °C, 24 h.
