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Reagents and conditions: (a) LiAlH4, H2SO4, THF; (b) methyl 2,2-dimethoxyacetate, 80 °C; (c) H2SO4, 40 °C; (d) (Tf)2O, pyridine; (e) (PPh3)4Pd, CuI, TEA, DMF, r.t., N2; (f) (3-(trifluoromethyl)phenyl)boronic acid, (PPh3)4Pd, K2CO3, toluene/ethanol, 100 °C.
