4-R.sup.4 --R.sup.5 -2-Saccharinylmethyl aryl and aryloxy acetates, useful in the treatment of degenerative diseases, are prepared by reacting a 4-R.sup.4 --R.sup.5 -2-halomethylsaccharin with an aryl or aryloxyacetic acid in the presence of an acid-acceptor.
4-R.sup.4 --R.sup.5 -2-
糖精基甲基芳基和芳氧基
乙酸酯,用于治疗退行性疾病,通过在酸受体存在下将4-R.sup.4 --R.sup.5 -2-卤甲基
糖精与芳基或芳氧基
乙酸反应制备。