Synthesizing method for salmeterol xinafoate, involves preparing specific compound and pharmaceutically acceptable salts, and compound obtained is used as intermediate

摘要

The method involves preparing 6-(4-phenylbutoxy)hexylamine and the pharmaceutically acceptable salts. The compound obtained is used as an intermediate in the synthesis of salmeterol and salmeterol xinafoate. A group susceptible to the elimination by hydrogenation is present in the structural formula of the compound.