POLYCRYSTALLINE MESYLATE OF PHOSPHODIESTERASE TYPE 5 INHIBITOR, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF
申请人:Jinan Meiluwei Biotechnology Co., Ltd.
公开号:EP3553060A1
公开(公告)日:2019-10-16
The present invention discloses a methanesulfonate polymorph of a 5-type phosphodiesterase inhibitor. The structure of the 5-type phosphodiesterase inhibitor is as shown in formula A:
The methanesulfonate polymorph of the 5-type phosphodiesterase inhibitor includes the following diffraction peaks measured at 2θ reflection angles in an X-ray powder diffraction pattern: 7.1750°±0.2°, 7.6299°±0.2°, 8.8588°±0.2°, 13.2310°±0.2°, 14.3754°±0.2°, 14.8440±0.2°, 15.2941°±0.2°, 17.1838°±0.2°, 20.0314°±0.2°, 20.8507°±0.2°, 21.2839°±0.2°, 21.7890°±0.2°, 22.2594°±0.2°, 23.0373±0.2°, 25.1243°±0.2°, 25.4244°±0.2°, 26.1530°±0.2°, 28.1210°±0.2°, 30.0135°±0.2°, 31.4809° ±0.2°, 32.3619°±0.2°, 37.2410°±0.2°, 37.6388°±0.2° and 40.8286°±0.2°. The methanesulfonate of the 5-type phosphodiesterase inhibitor not only improves the activity of drugs, but also improves the water solubility and the bioavailability of the drugs, and makes up the blank of studies on drugs of the crystal form.
本发明公开了一种 5 型磷酸二酯酶抑制剂的甲磺酸盐多晶型。5 型磷酸二酯酶抑制剂的结构如式 A 所示:
5 型磷酸二酯酶抑制剂的甲磺酸盐多晶型包括在 X 射线粉末衍射图样中以 2θ 反射角测量的下列衍射峰:7.1750°±0.2°、7.6299°±0.2°、8.8588°±0.2°、13.2310°±0.2°、14.3754°±0.2°、14.8440±0.2°、15.2941°±0.2°, 17.1838°±0.2°, 20.0314°±0.2°, 20.8507°±0.2°, 21.2839°±0.2°, 21.7890°±0.2°, 22.2594°±0.2°, 23.0373±0.2°, 25.1243°±0.2°, 25.4244°±0.2°、26.1530°±0.2°、28.1210°±0.2°、30.0135°±0.2°、31.4809°±0.2°、32.3619°±0.2°、37.2410°±0.2°、37.6388°±0.2° 和 40.8286°±0.2°。5型磷酸二酯酶抑制剂的甲磺酸盐不仅提高了药物的活性,还改善了药物的水溶性和生物利用度,弥补了晶型药物研究的空白。