The present invention is directed to a process for producing cyclic diamine compounds (4) or salts or intermediates thereof according to the following reaction scheme:
(wherein R is a protective group and Ar is an optionally substituted aryl group). According to the present invention, the cyclic diamine compounds (4) useful as drugs or salts or intermediates thereof can be produced at high levels of yield and purity in terms of industrially advantageous productivity.
本发明涉及一种生产环状二胺化合物(4)或其盐或中间体的方法,该方法根据以下反应方程式进行:(其中R是保护基,Ar是可选取代的芳基基团)。根据本发明,这种环状二胺化合物(4)作为药物或其盐或中间体可以以工业上有利的生产率高
水平地产生,同时保证高收率和纯度。