Lee S K, Hughes D C, Patel M V. "一种的合成方法" [P]. US Patent, US 11399126 B2, 2020-03-10.
发明人钱学锋,冯建国,高志强. "Method for the Synthesis of 2-(1-Cyclopentyl-3-oxopiperazin-2-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 110621972 A, 授权公告日 2017-02-05.
Johansson L, Nielsen H, Jørgensen K. "A Process for Preparing High-Purity 2-(1-Cyclopentyl-3-oxopiperazin-2-yl)acetic acid" [P]. European Patent, EP 3932711 A1, 2015-09-19.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2019, 1209, (4), 9815-9838.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2021, 1988, (6), 1062-1088.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 2-(1-Cyclopentyl-3-oxopiperazin-2-yl)acetic acid Using HRMS and NMR". J. Chromatogr. A, 2014, 1439, 6476-6483.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2025, 1499, (11), 8297-8313.