申请人:SmithKline Beecham Corporation
公开号:US05731477A1
公开(公告)日:1998-03-24
This invention relates to a method for preparing difluoromethyl ethers, thiols and amines without using chlorofluorocarbon gases. The intermediates prepared by this method can be used to make certain compounds which act as PDE IV inhibitors which are useful for treating asthma and other diseases implicated with the PDE IV isozyme.
这项发明涉及一种制备二氟甲基醚、硫醇和胺的方法,而不使用氯氟烃气体。通过这种方法制备的中间体可用于制备某些化合物,这些化合物作为PDE IV抑制剂,对治疗哮喘和其他与PDE IV同工酶有关的疾病有用。