A process of making racemic [2S*[R*[R*[R*]]]] and [2R*[S*[S*[S*]]]]-(±)α,α′-[iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol] of the compound of the formula (I) and its pure [2S*[R*[R*[R*]]]]- and [2R*[S*[S*[S*]]]]-enantiomer compounds and pharmaceutically acceptable salts thereof.
制备(±)α,α′-[亚
氨基双(亚甲基)]双[
6-氟-3,4-二氢-2H-1-苯并吡喃-2-甲醇]的外消旋体[2S*[R*[R*[R*]]]]和[2R*[S*[S*[S*]]]]的过程,以及该化合物的纯[2S*[R*[R*[R*]]]]-和[2R*[S*[S*[S*]]]]-对映体化合物及其药学上可接受的盐。