NOVEL CRYSTAL OF 3-Ý5-Ý4-(CYCLOPENTYLOXY)-2- HYDROXYBENZOYL¨-2-Ý(3-HYDROXY-1,2-BENZISOXAZOL-6- YL)METHOXY¨PHENYL¨PROPIONIC ACID
申请人:TOYAMA CHEMICAL CO., LTD.
公开号:EP2022788A1
公开(公告)日:2009-02-11
The crystal of 3-5-[4-(cyclopentyloxy)-2-hydroxybenzoyl]-2-[(3-hydroxy-1,2-benzisoxazol-6-yl)methoxy]phenyl}propionic acid having peaks at the position of 14.0, 16.0, 23.3, 23.7 and 26.3°and the crystal of 3-5-[4-(cyclopentyloxy)-2-hydroxybenzoyl]-2-[(3-hydroxy-1,2-benzisoxazol-6-yl)methoxy]phenyl}propionic acid having peaks at the position of 14.6, 23.1, 24.7, 25.6 and 26.0° on 2θ of diffraction angle in a powder X-ray diffraction pattern have a small specific volume, are hard to be charged with electricity, are easily handled and are useful for an active pharmaceutical ingredient of excellent anti-rheumatic agents.
7和26.3°,3-5-[4-(环戊基氧基)-2-羟基苯甲酰基]-2-[(3-羟基-1,2-苯并异恶唑-6-基)甲氧基]苯基}丙酸的晶体在14.在粉末 X 射线衍射图样中,在衍射角 2θ上的 14.6、23.1、24.7、25.6 和 26.0°位置出现的峰的比容小,不易带电,易于处理,可用作优良抗风湿剂的活性药物成分。