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.
[Problem] 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.
[Solution] 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.
[Selected Drawing] None
本发明涉及由式(I)表示的双[(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],其
水合物,该化合物的晶体以及该化合物
水合物的晶体,它们作为药物有用,并涉及制备它们的过程以及中间体,以及生产它们的过程。
[问题] 需要制备(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,以药物物质的形式,经过纯化以最小化残留溶剂含量,并具有统一的规格和高度良好的可操作性,以及制备该物质的过程。
[解决方案] 由式(I)表示的结晶性双[(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],即(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。
[选定图纸] 无