rac-2-But-3-enyloxy-3-(1H-indol-5-yl)-propionic acid methyl ester 、
4-chloromethyl-5-methyl-2-(2-chloro-phenyl)-oxazole 以to give rac-2-but-3-enyloxy-3-{1-[2-(2-chloro-phenyl)-5-methyl-oxazol-4-ylmethyl]-1H-indol-5-yl}-propionic acid as light yellow solid的产率得到rac-2-but-3-enyloxy-3-{1-[2-(2-chloro-phenyl)-5-methyl-oxazol-4-ylmethyl]-1H-indol-5-yl}-propionic acid