(6-hydroxy-indol-1-yl)-acetic acid tert-butyl ester 、 (rac)-2-methyl-1-[4-methyl-2-(4-trifluoromethyl-phenyl)-thiazol-5-yl]-propan-1-ol 、
三丁基膦 、
偶氮二甲酰胺 以to yield [rac]-(6-{2-methyl-1-[4-methyl-2-(4-trifluoromethyl-phenyl)-thiazol-5-yl]-propoxy}-indol-1-yl)-acetic acid tert-butyl ester as light yellow gum的产率得到(rac)-(6-{2-methyl-1-[4-methyl-2-(4-trifluoromethyl-phenyl)-thiazol-5-yl]-propoxy}-indol-1-yl)-acetic acid tert-butyl ester