反应详情

rac-(4S*,5R*)-4,5-bis-(4-chloro-phenyl)-2-(2-ethoxy-5-methanesulfonyl-phenyl)-4,5-dimethyl-4,5-dihydro-1H-imidazole was prepared from 2-ethoxy-5-methanesulfonyl-benzoyl chloride (prepared from 2-ethoxy-benzoic acid in an analogous as described in example 59) and meso-2,3-bis-(4-chlorophenyl)-2,3-butanediamine (example 1) in an analogous manner as described in example 2 (method 1).