申请人:Alcon Laboratories, Inc.
公开号:US04540700A1
公开(公告)日:1985-09-10
Inhibition of aldose reductase activity with tetracyclic spiro-hydantoins, new tetracyclic spirohydantoin derivatives useful in the treatment of complications arising from diabetes mellitus, and a process for preparing spiro-imidazolidine-diones by reacting a mono- or di-fluorofluorene with an excess of oxygen and a tetralkyl- or arylalkyl-trialkyl-ammonium hydroxide are disclosed.
使用四环螺环噁唑烷酮抑制醛糖还原酶活性,新的四环螺环噁唑烷酮衍生物可用于治疗糖尿病引起的并发症,以及通过将单氟或双氟芴与氧气过量和四烷基或芳基烷基三烷基铵氢氧化物反应来制备螺咪唑烷二酮的方法被披露。