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发明授权
US08624026B2 Method of preparing sitagliptin and intermediates used therein 失效
西他列汀及其中使用的中间体的制备方法

Method of preparing sitagliptin and intermediates used therein
摘要：
Disclosed are a novel, simple and low-cost method for preparing sitagliptin of formula (I), as DPP-IV (dipeptidyl peptidase IV) inhibitor, which is useful in treating type 2 diabetes mellitus and key intermediates used in said preparation of sitagliptin:
摘要（中）：

公开了用于制备式（I）的西他列汀的新型，简单和低成本的方法，DPP-IV（二肽基肽酶IV）抑制剂，其可用于治疗所述西他列汀制备中使用的2型糖尿病和关键中间体：

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