Calcium bis [(2S)-3-[3-[(2S)-3-(4-chloro-2-cyanophenoxy)-2-fluoropropoxy]phenyl ]-2-isopropoxypropionate] and intermediate thereof
申请人:Eisai R&D Management Co., Ltd.
公开号:US07816405B2
公开(公告)日:2010-10-19
The present invention relates to calcium bis[(2S)-3-[3-[(2S)-3-(4-chloro-2-cyanophenoxy) -2-fluoropropoxy]phenyl]-2-isopropoxypropionate] represented by formula (I), a hydrate thereof, a crystal of the compound of formula (I), and a crystal of the hydrate of the compound of formula (I) which are useful as pharmaceuticals, and to processes for producing the same, and intermediates therefore, and processes for production thereof.
There is need for (2S)-3-[3-[(2S)-3-(4 -chloro-2-cyanophenoxy)-2-fluoropropoxy]phenyl]-2-isopropoxypropionic acid, in the form of a drug substance, purified so as to minimize a residual solvent content and having a uniformized specification and a highly favorable workability, and a process for producing the same.
Crystalline calcium bis[(2S)-3-[3-[(2S)-3-(4 -chloro-2-cyanophenoxy)-2-fluoropropoxy]phenyl]-2-isopropoxypropionate], a calcium salt of (2S) -3-[3-[(2S)-3-(4-chloro-2-cyanophenoxy)-2-fluoropropoxy]phenyl]-2-isopropoxypropionic acid, solves the above problem.
本发明涉及公式(I)表示的钙双[(2S)-3-[3-[(2S)-3-(4-氯-2-氰基苯氧基)-2-氟丙氧基]苯基]-2-异丙氧基丙酸钙水合物,该化合物的晶体以及该化合物的水合物的晶体,它们可用作药物,并涉及制备它们的过程以及其中间体和制备过程。需要以药品物质的形式制备出(2S)-3-[3-[(2S)-3-(4-氯-2-氰基苯氧基)-2-氟丙氧基]苯基]-2-异丙氧基丙酸,经过纯化以使残留溶剂含量最小化,并具有统一的规格和极佳的可操作性,以及制备该药品物质的过程。公式(I)的结晶钙双[(2S)-3-[3-[(2S)-3-(4-氯-2-氰基苯氧基)-2-氟丙氧基]苯基]-2-异丙氧基丙酸钙,(2S)-3-[3-[(2S)-3-(4-氯-2-氰基苯氧基)-2-氟丙氧基]苯基]-2-异丙氧基丙酸的钙盐,解决了上述问题。