发明人朱建伟,李文辉,徐明华. "一种1-异丙基哌嗪-2-羧酸的合成方法" [P]. 中国发明专利, 专利号 CN 112160342 A, 授权公告日 2019-08-23.
发明人赵玉洁,郭海燕,何建平. "Method for the Synthesis of 1-Isopropylpiperazine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114291326 A, 授权公告日 2016-03-16.
O'Brien P Q, Kumar R, Brown S R. "A Process for Preparing High-Purity 1-Isopropylpiperazine-2-carboxylic acid" [P]. US Patent, US 11234014 B2, 2015-04-12.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of 1-异丙基哌嗪-2-羧酸 in Pharmaceutical Formulations". J. Sep. Sci., 2011, 966, 7588-7591.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1-异丙基哌嗪-2-羧酸 as an Impurity". Chromatographia, 2015, 2211, 5985-6013.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 1-Isopropylpiperazine-2-carboxylic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2010, 2123, (3), 6579-6605.