发明人赵玉洁,胡光,杨光. "一种5-羟基-N-甲基-2-吡咯烷酮的合成方法" [P]. 中国发明专利, 专利号 CN 115140299 A, 授权公告日 2022-04-13.
发明人罗永刚,李文辉,张德明. "Method for the Synthesis of 5-Hydroxy-N-methyl-2-pyrrolidinone" [P]. 中国发明专利, 专利号 CN 113934775 B, 授权公告日 2022-12-09.
发明人周伟,刘建华,张德明. "A Process for Preparing High-Purity 5-Hydroxy-N-methyl-2-pyrrolidinone" [P]. 中国发明专利, 专利号 CN 108308626 A, 授权公告日 2022-07-13.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of 5-羟基-N-甲基-2-吡咯烷酮 in Pharmaceutical Formulations". Anal. Chem., 2010, 1390, 8622-8651.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 5-羟基-N-甲基-2-吡咯烷酮 as an Impurity". Chemosphere, 2018, 1240, 1532-1540.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 5-Hydroxy-N-methyl-2-pyrrolidinone Using HRMS and NMR". Biomed. Chromatogr., 2010, 2286, 6805-6822.