反应详情

5-{4-[2-(4′-Bromo-biphenyl-4-ylmethyl)-4-(2,4-dichloro-phenyl)-imidazol-1-yl]-phenyl}-2-(2-trimethylsilanyl-ethoxymethyl)-1,2,5-thiadiazolidine-3-one-1,1-dioxide (240 mg, 0.3 mmol) was treated as described in general procedure R using excess piperazin-2-one (301 mg, 3 mmol) to give 4-[4′-(4-(2,4-dichloro-phenyl)-1-{4-[1,1,4-trioxo-5-(2-trimethylsilanyl-ethoxymethyl)-[1,2,5]thiadiazolidin-2-yl]-phenyl}-1H-imidazol-2-ylmethyl)-biphenyl-4-yl]-piperazin-2-one.