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Synthesis of Fluoroindole Analogsa
aReagents and conditions. (a) 1-propenylMgBr, THF, −78 °C or 0 °C to rt; (b) 47b, Pd2(dba)3/X-Phos or Pd(PPh3)4, Cs2CO3, dioxane/H2O, 100 °C. (c) bis(pinacolato)diboron, Pd(dppf)Cl2 or Ph(PPh3)4, KOAc, DMSO, 120 °C.
