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    • 2. 发明授权
    • Use of form-I crystal of 2-{4-[N-(5,6-diphenylpyrazin-2-yl)-N-isopropylamino]butyloxy}-N-(methylsulfonyl)acetamide
    • 使用2- {4- [N-(5,6-二苯基吡嗪-2-基)-N-异丙基氨基]丁氧基} -N-(甲基磺酰基)乙酰胺
    • US09284280B2
    • 2016-03-15
    • US14160641
    • 2014-01-22
    • Hideyuki Itou
    • Hideyuki Itou
    • C07D241/02C07D241/20A61K31/4965
    • C07D241/20A61K31/4965C07B2200/13
    • A method is provided in which Form-I crystal of 2-{4-[N-(5,6-diphenylpyrazin-2-yl)-N-isopropylamino]butyloxy}-N-(methylsulfonyl)acetamide is administered as an active ingredient to a subject for the purpose of treating or preventing certain diseases, disorders, and symptoms, or for promoting angiogenesis or gene therapy. The Form-I crystal exhibits diffraction peaks in its X-ray powder diffraction spectrum at least at the following angles of diffraction 2θ when the spectrum is obtained by using Cu Kα radiation: 9.4 degrees, 9.8 degrees, 17.2 degrees, and 19.4 degrees. The targeted diseases and disorders include transient ischemic attack, diabetic neuropathy, diabetic gangrene, peripheral circulatory disturbance, connective tissue disease, reocclusion/restenosis after percutaneous transluminal coronary angioplasty, arteriosclerosis, thrombosis, hypertension, pulmonary hypertension, ischemic disorder, angina, glomerulonephritis, diabetic nephropathy, chronic renal failure, allergy, bronchial asthma, ulcer, pressure ulcer (bedsore), restenosis after coronary intervention, thrombocytopenia by dialysis, the diseases in which fibrosis of organs or tissues is involved, erectile dysfunction, inflammatory bowel disease, and gastritis.
    • 提供了一种方法,其中将2- {4- [N-(5,6-二苯基吡嗪-2-基)-N-异丙基氨基]丁氧基} -N-(甲基磺酰基)乙酰胺的I型晶体作为活性成分 以治疗或预防某些疾病,病症和症状,或用于促进血管发生或基因治疗的目的。 Form-I晶体在X射线粉末衍射光谱中至少在以下衍射角2θ处显示衍射峰; 当通过使用CuKα辐射获得光谱时:9.4度,9.8度,17.2度和19.4度。 目标疾病和障碍包括短暂性脑缺血发作,糖尿病性神经病变,糖尿病性坏疽,外周循环障碍,结缔组织病,经皮腔内冠状动脉成形术后再闭塞/再狭窄,动脉硬化,血栓形成,高血压,肺动脉高压,缺血性障碍,心绞痛,肾小球性肾炎,糖尿病 肾病,慢性肾衰竭,过敏,支气管哮喘,溃疡,压力性溃疡(褥疮),冠状动脉介入后再狭窄,透析血小板减少症,器官或组织纤维化的疾病,勃起功能障碍,炎症性肠病和胃炎。