PROCESS FOR PREPARING METHYL METHYLCARBAMATE AND ITS PURIFICATION FOR USE AS PHARMACEUTICALLY ACTIVE COMPOUND
申请人:MAIS Franz-Josef
公开号:US20110130410A1
公开(公告)日:2011-06-02
The present invention relates to a process for preparing methyl 4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}methylcarbamate of the formula (I)
and to a process for purifying the crude product of the compound of the formula (I) for use as pharmaceutically active compound, where, for purification, methyl 4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}methylcarbamate sulphinyldimethane (1:1), i.e. a compound of the formula (II), is isolated as intermediate or is generated as intermediate in this purification process, if appropriate present in a mixture.
本发明涉及一种制备甲基4,6-二氨基-2-[1-(2-氟苯甲基)-1H-吡唑并[3,4-b]吡啶-3-基]嘧啶-5-基}甲基氨基甲酸酯(I式)的过程,以及一种用于纯化化合物(I式)的粗品的过程,以用作药用活性化合物,其中,为了纯化,分离甲基4,6-二氨基-2-[1-(2-氟苯甲基)-1H-吡唑并[3,4-b]吡啶-3-基]嘧啶-5-基}甲基氨基甲酸酯亚砜二甲烷(1:1),即式(II)的化合物,作为中间体被分离或在该纯化过程中作为中间体生成,如适用,存在于混合物中。