发明人冯建国,杨光,李文辉. "一种4-(叔丁氧基羰基)-1-(3-甲基噻吩-2-羰基)哌嗪-2-羧酸的合成方法" [P]. 中国发明专利, 专利号 CN 115043992 A, 授权公告日 2015-01-20.
发明人朱建伟,钱学锋,周伟. "Method for the Synthesis of 4-(tert-Butoxycarbonyl)-1-(3-methylthiophene-2-carbonyl)piperazine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115967835 B, 授权公告日 2019-07-05.
发明人黄志刚,高志强,孙丽萍. "A Process for Preparing High-Purity 4-(tert-Butoxycarbonyl)-1-(3-methylthiophene-2-carbonyl)piperazine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117197168 A, 授权公告日 2021-11-24.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of 4-(叔丁氧基羰基)-1-(3-甲基噻吩-2-羰基)哌嗪-2-羧酸 in Pharmaceutical Formulations". Phytochemistry, 2016, 1189, 9554-9577.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-(叔丁氧基羰基)-1-(3-甲基噻吩-2-羰基)哌嗪-2-羧酸 as an Impurity". Biomed. Chromatogr., 2017, 142, 4961-4975.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 4-(tert-Butoxycarbonyl)-1-(3-methylthiophene-2-carbonyl)piperazine-2-carboxylic acid Using HRMS and NMR". Chemosphere, 2010, 91, 1949-1977.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate 4-(叔丁氧基羰基)-1-(3-甲基噻吩-2-羰基)哌嗪-2-羧酸 Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2015, 1845, 9474-9500.