(6-hydroxy-indol-1-yl)-acetic acid tert-butyl ester 、
4-(2-hydroxy-ethyl)-5-methyl-2-(4-trifluoromethyl-phenyl)thiazole 、
三苯基膦 、
偶氮二甲酸二叔丁酯 以to yield (6-{2-[5-methyl-2-(4-trifluoromethyl-phenyl)-thiazol-4-yl]-ethoxy}-indol-1-yl)-acetic acid tert-butyl ester as colorless oil的产率得到(6-{2-[5-methyl-2-(4-trifluoromethyl-phenyl)-thiazol-4-yl]-ethoxy}-indol-1-yl)-acetic acid tert-butyl ester