发明人高志强,冯建国,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116462561 A, 授权公告日 2021-11-11.
发明人徐明华,赵玉洁,周伟. "Method for the Synthesis of (S)-4-(2-Bromo-6-formylphenyl)-1-(tert-butoxycarbonyl)piperazine-2-carboxylic acid
1787021-16-2" [P]. 中国发明专利, 专利号 CN 109462720 B, 授权公告日 2020-08-08.
发明人郭海燕,赵玉洁,韩伟. "A Process for Preparing High-Purity (S)-4-(2-Bromo-6-formylphenyl)-1-(tert-butoxycarbonyl)piperazine-2-carboxylic acid
1787021-16-2" [P]. 中国发明专利, 专利号 CN 109476112 A, 授权公告日 2019-07-16.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2016, 250, (1), 1116-1123.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2018, 918, (1), 9063-9066.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of (S)-4-(2-Bromo-6-formylphenyl)-1-(tert-butoxycarbonyl)piperazine-2-carboxylic acid
1787021-16-2 Using HRMS and NMR". J. Chromatogr. A, 2022, 259, (8), 215-218.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2011, 2292, 7080-7105.