申请人:Sterling Winthrop, Inc.
公开号:US05563163A1
公开(公告)日:1996-10-08
4-R.sup.4 -R.sup.5 -2-Saccharinylmethyl heterocyclic carboxylates, useful in the treatment of degenerative diseases, are prepared by reacting a 4-R.sup.4 -R.sup.5 -2-halomethylsaccharin with either a heterocyclic carboxylic acid in the presence of an acid-acceptor or the alkali metal salt of a heterocyclic carboxylic acid.
4-R.sup.4 -R.sup.5 -2-Saccharinylmethyl杂环羧酸酯是治疗退行性疾病的有用化合物,其制备方法为将4-R.sup.4 -R.sup.5 -2-卤代甲基糖精与杂环羧酸在酸接受剂的存在下或杂环羧酸的碱金属盐反应。