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NOVEL CRYSTAL FORM OF PHTHALOYL AMLODIPINE AND PROCESS FOR PRODUCING HIGH-PURITY PHTHALOYL AMLODIPINE BESILATE USING THE SAME
NOVEL CRYSTAL FORM OF PHTHALOYL AMLODIPINE AND PROCESS FOR PRODUCING HIGH-PURITY PHTHALOYL AMLODIPINE BESILATE USING THE SAME
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机译：新型邻苯二甲酰基吗啡的结晶形式和使用相同方法生产高纯度邻苯二甲酰基吗啡的方法
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PROBLEM TO BE SOLVED: To provide a process for producing high-purity phthaloyl amlodipine for synthesis of an amlodipine besilate having excellent purity as a medicine.;SOLUTION: Provided are TW-A type and TW-B type crystal forms of highly pure phthaloyl amlodipine. In powder X-ray diffraction, the TW-A type phthaloyl amlodipine has diffraction peaks at 2θ(°)=8.7±0.2, 11.0±0.2, 13.4±0.2, 15.7±0.2, and 24.6±0.2. In powder X-ray diffraction, the TW-B type phthaloyl amlodipine has diffraction peaks at 2θ(°)=6.6±0.2, 9.9±0.2, 11.1±0.2, 17.3±0.2, and 24.4±0.2.;COPYRIGHT: (C)2014,JPO&INPIT
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