POLYMORPHS OF 4-[2-DIMETHYLAMINO-1-(1-HYDROXYCYCLOHEXYL)ETHYL]PHENYL 4-METHYLBENZOATE HYDROCHLORIDE, METHODS FOR PREPARING THE SAME AND USE OF THE SAME
PROBLEM TO BE SOLVED: To provide polymorphs of 4-[2-dimethylamino-1-(1-hydroxycyclohexyl)ethyl]phenyl 4-methylbenzoate hydrochloride, methods of preparing the same and use of the same.SOLUTION: Provided herein is a crystal form II of 4-[2-dimethylamino-1-(1-hydroxycyclohexyl)ethyl]phenyl 4-methylbenzoate hydrochloride, characterized in that the crystal form II exhibits a powder X-ray diffraction pattern obtained by using CuKradiation and having characteristic peaks expressed in degrees 2θ (±0.2° 2θ) at 5.899, 11.799, 14.481, 15.440, 18.420, 19.800 and 23.620 and in that the stoichiometric formula in an asymmetrical unit is determined as CHNO.HCl.(HO).SELECTED DRAWING: None【課題】4-[2-ジメチルアミノ-1-(1-ヒドロキシシクロヘキシル)エチル]フェニル4-メチルベンゾエートヒドロクロリドの多形体、それらを作製する方法及びそれらの使用を開示する。【解決手段】CuKα放射を用いて得られ、5.899、11.799、14.481、15.440、18.420、19.800及び23.620の角度2θ(±0.2度 2θ)で表される特徴的なピークを有する粉末X線回折パターンを示すこと、及び、非対称単位における化学量論式がC24H31NO3・HCl・(H2O)2と決定されることを特徴とする、[4-[2-ジメチルアミノ-1-(1-ヒドロキシシクロヘキシル)エチル]フェニル4-メチルベンゾエートヒドロクロリド]の結晶形II。【選択図】なし