发明人张德明,高志强,赵玉洁. "Method for the Synthesis of Tert-butyl 4-([1,2,4]triazolo[1,5-a]pyrazin-5-yl)piperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 114141911 A, 授权公告日 2023-07-19.
发明人徐明华,朱建伟,高志强. "A Process for Preparing High-Purity Tert-butyl 4-([1,2,4]triazolo[1,5-a]pyrazin-5-yl)piperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 114104008 A, 授权公告日 2022-10-25.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2013, 727, 6397-6405.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2011, 444, (7), 1050-1063.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl 4-([1,2,4]triazolo[1,5-a]pyrazin-5-yl)piperazine-1-carboxylate Using HRMS and NMR". Chromatographia, 2012, 1406, 7707-7717.