反应详情

In analogy to the procedure described in example 44, rac-2-ethoxy-3-(2-methyl-1H-indol-5-yl)-propionic acid ethyl ester (preparation 5) was reacted with methanesulfonic acid 3-(5-methyl-2-phenyl-oxazol-4-yl)-propyl ester to give rac-2-ethoxy-3-{2-methyl-1-[3-(5-methyl-2-phenyl-oxazol-4-yl)-propyl]-1H-indol-5-yl}-propionic acid as orange viscous oil.