The invention discloses a method for the preparation of 4-alkoxy and 4-aryloxy-1,1,1-trifluorobut-3-en-2-ones from trifluoroacetylacetic acid and orthoesters. Such compound can be used for the preparation of pharmaceutical, chemical or agro-chemical products.
该发明公开了一种从三
氟乙酰乙酸和正交酯制备4-烷氧基和4-芳基氧基-1,1,1-三
氟丁-3-烯-2-酮的方法。这种化合物可用于制备药物、
化学品或农药产品。