申请人:Winter Stephen
公开号:US20080167479A1
公开(公告)日:2008-07-10
The present invention relates to a process for preparing vildagliptin of formula (I) with high chemical and enantiomeric purity and compositions comprising vildagliptin. In addition, the present invention relates to (2S,2′S)-1,1′-[[(3-hydroxytricyclo[3.3.1.1
3,7
]dec-1-yl)imino]bis(1-oxo-2,1-ethanediyl)]di(2-pyrrolidinecarbonitrile) of formula (II), processes for preparing, and compositions comprising a compound for formula (II). Furthermore, the invention relates to processes for determining the purity of vildagliptin using a compound of formula (II).
本发明涉及一种制备具有高化学和对映纯度的化合物vildagliptin的方法,其化学式为(I),以及包含vildagliptin的组合物。此外,本发明涉及一种化合物的制备方法,该化合物的化学式为(II),为(2S,2′S)-1,1′-[[(3-羟基三环[3.3.1.13,7]癸烯-1-基)亚胺]双(1-氧代-2,1-乙二基)二(2-吡咯烷碳腈),以及包含该化合物的组合物。此外,该发明涉及使用化合物(II)的方法来确定vildagliptin的纯度。