申请人:Kolla Naveen Kumar
公开号:US20110028518A1
公开(公告)日:2011-02-03
Processes for the preparation of dexlansoprazole, an amorphous form of dexlansoprazole, a solid dispersion of amorphous dexlansoprazole and a pharmaceutically acceptable carrier, and processes for their preparation. Also provided are crystalline compounds 2-[(R)-[(4-chloro-3-methyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole and 2-[(R)-[(4-nitro-3-methyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole, and methods for their preparation.
制备左旋埃索美拉唑、无定形左旋埃索美拉唑、无定形左旋埃索美拉唑固体分散体和药用可接受载体的制备方法。同时还提供了结晶化合物2-[(R)-[(4-氯-3-甲基-2-吡啶基)甲基]亚磺酰基]-1H-苯并咪唑和2-[(R)-[(4-硝基-3-甲基-2-吡啶基)甲基]亚磺酰基]-1H-苯并咪唑,以及它们的制备方法。