Reagents and Conditions: (a) 4-chloroaniline, EDC, DIPEA, DMAP, THF, 55–84%; (b) HCl in dioxane or TFA in CH2Cl2, 54–100%; (c) 3-(furan-2-yl)benzoic acid, EDC, DIPEA, DMAP, THF, 49–94%; (d) 10% Pd/C, H2, MeOH, 40%; (d) Ac2O, DMAP, THF or ClCO2Me, Et3N, CH2Cl2, 55%.