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Syntheses of compounds 8 and 9. a) Br2, AcOH, rt, KOH; b) diisopropylethylamine, phthaloyl dichloride, CH3CN, rt; c) Pd2(dba)3, t-Bu3P, benzene, Sn2Bu6, 100 °C; d) p-OMePhI(OTs)(OH), CH3CN; e. H2O, NaPF6; f) NBS, CH3CN/CCl4 (3:7) ; g) n-BuLi, Bu3SnCl, THF, −78 °C to rt.
