申请人:Bader Thomas
公开号:US20070149612A1
公开(公告)日:2007-06-28
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.
将化合物的立体异构体制备成racemic [2S*[R*[R*[R*]]]]和[2R*[S*[S*[S*]]]]-(±)α,α′-[iminobis(methylene)]bis[6-氟-3,4-二氢-2H-1-苯并吡喃-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用可接受的盐。