Sitagliptin impurity and preparation and detection method thereof
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- NANJING CHIA TAI TIANQING PHARMA
- Publication Date
- 2017-03-08
Smart Images

Figure 1 
Figure 2 
Figure 3
Abstract
Description
technical field
[0001] The invention relates to the field of medicine and chemical industry, in particular to an impurity of sitagliptin, a preparation method and a detection method thereof. Background technique
[0002] Diabetes is a series of diseases such as sugar, protein, fat, water and electrolyte caused by genetic factors, immune dysfunction, microbial infection and its toxins, free radical toxins, mental factors and other pathogenic factors acting on the body to cause hypofunction of pancreatic islets. Metabolic disorder syndrome is clinically characterized by hyperglycemia. In typical cases, symptoms such as polyuria, polydipsia, polyphagia, and weight loss may occur, namely "three excesses and one deficiency".
[0003] Sitagliptin Phosphate, the chemical name is 7-[(3R)-3-amino-1-oxo-4-(2,4,5-trifluorophenyl)butyl]-5,6, 7,8-Tetrahydro-3-trifluoromethyl-1,2,4-triazolo[4,3-a]pyrazine phosphate monohydrate, an oral antihyperglycemic agent for DPP-IV inhibitors The d...