美罗利汀 、 对甲苯磺酸 在
氮气 、 丙酮 作用下,
以
乙腈 、 丙酮 为溶剂,
反应 19.0h,
以to give 72.6 g of the salt as a white solid的产率得到(2S,4S)-1-{2-[(3S,1R)-3-(1H-1,2,4-triazol-1-ylmethyl)cyclopentylamino]-acetyl}-4-fluoropyrrolidine-2-carbonitrile p-toluenesulfonate
参考文献:
名称:
NOVEL PROCESSES FOR THE PREPARATION OF DPP IV INHIBITORS
NOVEL PROCESSES FOR THE PREPARATION OF DPP IV INHIBITORS
申请人:Thomas Abraham
公开号:US20080076818A1
公开(公告)日:2008-03-27
The present invention relates to novel processes for preparing DPP-IV inhibitors having the structure of formula I,
and pharmaceutically acceptable salt thereof, which are useful for treatment of Type 2 diabetes.
Processes for the preparation of DPP IV inhibitors
申请人:Glenmark Pharmaceuticals, S.A.
公开号:US07893103B2
公开(公告)日:2011-02-22
The present invention relates to novel processes for preparing DPP-IV inhibitors having the structure of formula I,
and pharmaceutically acceptable salt thereof, which are useful for treatment of Type 2 diabetes.