发明人冯建国,杨光,沈红梅. "Method for the Synthesis of (R)-3-Methylpiperazin-2-one hydrochloride" [P]. 中国发明专利, 专利号 CN 116291889 B, 授权公告日 2015-03-21.
发明人朱建伟,沈红梅,周伟. "A Process for Preparing High-Purity (R)-3-Methylpiperazin-2-one hydrochloride" [P]. 中国发明专利, 专利号 CN 110297178 B, 授权公告日 2019-06-24.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2021, 2036, 7529-7539.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2019, 1898, (1), 1789-1794.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of (R)-3-Methylpiperazin-2-one hydrochloride Using HRMS and NMR". Anal. Chim. Acta, 2017, 1835, 596-611.