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.
制备式(I)化合物的外消旋[2S*[R*[R*[R*]]]]和[2R*[S*[S*[S*]]]]-(±)α,α'-[亚甲基]双[6-
氟-3,4-二氢-2H-1-苯并
吡喹啉-2-
甲醇]的过程,以及其纯[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。