反应详情

2-(4-Bromo-benzyl)-4-(2,4-dichloro-phenyl)-1H-imidazole (1 g, 2.6 mmol) was treated with (3-iodo-phenyl)-carbamic acid tert-butyl ester following general procedure R to provide {3-[2-(4-bromo-benzyl)-4-(2,4-dichloro-phenyl)-imidazol-1-yl]-phenyl}-carbamic acid tert-butyl ester. The bromophenyl product (370 mg, 0.64 mmol) was treated as described in general procedure G using 4-ethoxycarbonylphenyl boronic acid to provide 4′-[1-(3-tert-butoxycarbonylamino-phenyl)-4-(2,4-dichloro-phenyl)-1H-imidazol-2-ylmethyl]-biphenyl-4-carboxylic acid ethyl ester.