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. 2020 Apr 21;59(30):12352–12356. doi: 10.1002/anie.202002295

Scheme 2.

Scheme 2

Depiction of the galQ 2 assembly from the three key precursors 4, 5, and 6. a) 2‐Chloro‐6‐methylpyridinium triflate, DCM, rt, 2 h; b) DBU, MeCN, rt, 1.25 h; c) benzene, rt, 5 h; d) NaBH4, MeOH, 0 °C, 1 h; e) HF⋅NEt3, DCM, rt, 4 d; f) NaOMe, MeOH, rt, 2 d.