[EN] A PROCESS FOR THE PREPARATION OF ILOPERIDONE AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF<br/>[FR] PROCÉDÉ POUR LA PRÉPARATION D'IOPÉRIDONE ET SELS PHARMACEUTIQUEMENT ACCEPTABLES DE CELLE-CI
申请人:ARCH PHARMALABS LTD
公开号:WO2012153341A1
公开(公告)日:2012-11-15
The present invention relates to a new process for the preparation of 1- [4-[3-[4-(6-fluoro- 1,2-benzisoxazol-3-yl)- l-piperidinyl]propoxy]-3- methoxyphenyl]- ethanone (Iloperidone) and salts thereof. The synthetic process comprises the reaction between itself 6-fluoro-3-(4- piperidinyl)-l,2-benzisoxazole of formula II as base rather than use of its hydrochloride as mostly reported in prior art and l-[4-(3- chloropropoxy)-3-methoxyphenyl]ethanone of formula III. This invention also relates to a process for the preparation of carbonated iloperidone; an impurity of the formula IV formed during the condensation of the compound of formula II and compound of formula III in presence of a base, method of its isolation and characterization thereof, as well as its use as a reference standard and reference marker in analytical department while evaluating the purity profile of iloperidone. Formula (I) (II) (III)
本发明涉及一种制备1-[4-[3-[4-(6-氟-1,2-苯并异噁唑-3-基)-1-哌啶基]丙氧基]-3-甲氧基苯基]-乙酮(Iloperidone)及其盐的新工艺。该合成工艺包括将其自身6-氟-3-(4-哌啶基)-1,2-苯并异噁唑(II式)作为碱而不是使用其盐酸盐,这在先前的文献中大多数报道,以及I-[4-(3-氯丙氧基)-3-甲氧基苯基]乙酮(III式)之间的反应。本发明还涉及一种制备碳酸化Iloperidone的方法;在存在碱的情况下,通过II式化合物和III式化合物的缩合反应形成的IV式杂质的制备方法,其分离和表征的方法,以及在评估Iloperidone纯度剖面时作为参考标准和参考标记在分析部门中使用。式(I)(II)(III)