发明人徐明华,陈志强,朱建伟. "Method for the Synthesis of Sitagliptin Impurity 136 HCl" [P]. 中国发明专利, 专利号 CN 109953220 A, 授权公告日 2015-06-16.
发明人陈志强,杨光,黄志刚. "A Process for Preparing High-Purity Sitagliptin Impurity 136 HCl" [P]. 中国发明专利, 专利号 CN 113555580 A, 授权公告日 2016-09-02.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of 西格列汀杂质136盐酸盐 in Pharmaceutical Formulations". Anal. Chem., 2012, 1267, (1), 7608-7611.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of 西格列汀杂质136盐酸盐 as an Impurity". J. Chromatogr. A, 2021, 1915, (8), 4271-4297.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Sitagliptin Impurity 136 HCl Using HRMS and NMR". Chromatographia, 2024, 435, 3357-3366.