发明人沈红梅,郭海燕,周伟. "Method for the Synthesis of tert-Butyl 4-(1-amino-2-cyanovinyl)piperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 115288947 A, 授权公告日 2025-02-23.
发明人何建平,韩伟,陈志强. "A Process for Preparing High-Purity tert-Butyl 4-(1-amino-2-cyanovinyl)piperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 116374020 B, 授权公告日 2021-06-28.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2020, 1015, 7098-7117.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2015, 2119, (3), 8388-8405.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 4-(1-amino-2-cyanovinyl)piperazine-1-carboxylate Using HRMS and NMR". Biomed. Chromatogr., 2010, 2355, (3), 2347-2370.