Yamamoto T, Schröder R, Roberts E F. "Method for the Synthesis of Tert-butyl 4-(4-cyanopyrimidin-2-yl)piperazine-1-carboxylate" [P]. US Patent, US 10320232 B2, 2015-08-04.
Chen K W, Yamamoto T, Patel M V. "A Process for Preparing High-Purity Tert-butyl 4-(4-cyanopyrimidin-2-yl)piperazine-1-carboxylate" [P]. US Patent, US 9913750 B2, 2022-01-24.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2024, 2344, (12), 2318-2330.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2012, 782, (5), 5210-5230.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl 4-(4-cyanopyrimidin-2-yl)piperazine-1-carboxylate Using HRMS and NMR". Anal. Chim. Acta, 2017, 1839, 9919-9925.