rac-2-ethoxy-3-(1H-indol-6-yl)-propionic acid ethyl ester 、
4-chloromethyl-5-methyl-2-(4-(2-propyl)-phenyl)-oxazole 以to give rac-2-ethoxy-3-{1-[2-(4-isopropyl-phenyl)-5-methyl-oxazol-4-ylmethyl]-1H-indol-6-yl}-propionic acid as light yellow viscous oil的产率得到rac-2-ethoxy-3-{1-[2-(4-isopropyl-phenyl)-5-methyl-oxazol-4-ylmethyl]-1H-indol-6-yl}-propionic acid