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Reagents and conditions: (a) 5, TEA, DMSO, 95 °C, 67%; (b) DABSO, PdCl2(AmPhos)2, TEA, i-PrOH, 75 °C; then NFSI, rt, 6% (for TMX-1120) or 7% (for TMX-2164); (c) 5 or 8, TEA, DMF, MeOH, 70 °C, 59% (for 9) or 9% (for TMX-2177).
