A subject of the invention is a process for the preparation of the compounds of formula (I):
R being as defined in the description as well as their salts, the intermediates, the use of the dihydrochloride as a medicament and the pharmaceutical compositions containing them.
本发明涉及一种制备化合物的方法,其
化学式为(I):
其中R如描述中所定义,以及它们的盐、中间体、二盐酸盐作为药物的用途,以及含有它们的药物组合物。