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Reagents and conditions: (a) EtOH, H2SO4, reflux, 77–99%; (b) NBS, AIBN, CHCl3, reflux, 15–86%; (c) K2CO3, DMF, rt–100 °C, 28–94%; (d) LiOH, THF, H2O, rt–50 °C, 31–99%; (e) Ph-B(OH)2 (43), Pd(PPh3)4, Na2CO3, dioxane, H2O, reflux, 40–64%; (f) NBS, DMF, rt, 80%. n is defined in Table 1; R2 is defined in Tables 3 and 4.
