申请人:Burgarolas Montero Carme
公开号:US20080214816A1
公开(公告)日:2008-09-04
Process for preparing ziprasidone. The present invention concerns a process for the preparation of 5-(2-(4-(1,2-benzisothiazol-3-yl)-1-piperazinyl)ethyl)-6-chloro-1,3-dihydro-2H-indol-2-one of the formula I, or a pharmaceutically acceptable acid addition salt, solvate, hydrates or clathrate thereof, said process comprising reacting a compound of formula II wherein X is a halogen atom, with a compound of formula III, said compound of formula III being the free base or an addition salt with an organic or inorganic acid, wherein said process is characterized in that said compounds according to formulas II and III are reacted in the presence of a neutralizing agent, and are reacted in a solvent comprising acetonitrile.
制备Ziprasidone的过程。本发明涉及一种制备式I的5-(2-(4-(1,2-苯并异噻唑-3-基)-1-哌嗪基)乙基)-6-氯-1,3-二氢-2H-吲哚-2-酮,或其药学上可接受的酸加盐、溶剂化物、水合物或包合物的过程,该过程包括将式II的化合物(其中X是卤素原子)与式III的化合物反应,所述式III的化合物是自由碱或与有机或无机酸的加成盐,其特征在于在中和剂的存在下,在包含乙腈的溶剂中反应式II和III的化合物。