The invention relates to the method of preparation of compounds of formula I, the precursors of homocitric acid lactone and its salts, by coupling of the compounds of formula II with bromoacetic acid esters of formula III.
该发明涉及一种制备化合物I的方法,即通过将化合物II与化合物III的
溴乙酸酯偶联制备得到同源
柠檬酸内酯及其盐的前体。