[EN] NEW PROCESS FOR THE PREPARATION OF RACEMIC ([2S[2R*[R[R*]]]] and ([2R[2S*[S[S*]]]]-(±)- alpha,alpha' -[imino-bis(methylene)]bis[6-fluorochroman-2-methanol] AND ITS PURE [2S[2R*[R[R*]&<br/>[FR] NOUVEAU PROCEDE DE PREPARATION DE ([2S[2R*[R[R*]]]] ET ([2R[2S*[S[S*]]]]-(+/-)- 20040521US4654362AVAN LOMMEN GUY R E [BE], et al198703311528DA1DAJ. HENDRICKX ET AL.: "LOCATION OF THE OH FUNCTIONS IN HYDROXYLATED METABOLITES OF NEBIVOLOL", JOURNAL OF CHROMATOGRAPHY A, vol. 729, no. 1+2, 1996, GB, pages 341 - 354, XP002270638J. HENDRICKX ET AL.LOCATION OF THE OH FUNCTIONS IN HYDROXYLATED METABOLITES OF NEBIVOLOLJOURNAL OF CHROMATOGRAPHY AGB19967291+2341354353VA1,54,55A
申请人:EGYT GYOGYSZERVEGYESZETI GYAR
公开号:WO2004041805A1
公开(公告)日:2004-05-21
Process for the preparation of racemic ([2S[2R*[R[R*]]]]- and ([2R[2S*[S[S*]]]]-(±)- α,α' -[imino-bis(methylene)]bis[6-fluorochroman-2-methanol] of the compound of the formula (I) and its pure ([2S[2R*[R[R*]]]]- and ([2R[2S*[S[S*]]]]- enantiomer compounds characterized in that the products are prepared from 4-fluoro-phenole or 4-fluoro-anisole via crystalline, optically active intermediates.
用于制备化合物(I)的混合对映体([2S[2R*[R[R*]]]]-和([2R[2S*[S[S*]]]]-(±)- α,α' -[亚胺-双(亚甲基)]双[6-氟基-色苷-2-甲醇]的过程及其纯度([2S[2R*[R[R*]]]]-和([2R[2S*[S[S*]]]]-对映体化合物的特征在于所述产物是从4-氟苯酚或4-氟苯甲醚经过结晶的、具有光学活性的中间体制备而成。