发明人孙丽萍,朱建伟,林芳. "Method for the Synthesis of 50275-60-0
4-Hydroxy-2-ethyl-2-phenylglutarimide
3-Ethyl-5-hydroxy-3-phenyl-2,6-piperidinedione" [P]. 中国发明专利, 专利号 CN 112849471 A, 授权公告日 2022-01-01.
发明人胡光,罗永刚,刘建华. "A Process for Preparing High-Purity 50275-60-0
4-Hydroxy-2-ethyl-2-phenylglutarimide
3-Ethyl-5-hydroxy-3-phenyl-2,6-piperidinedione" [P]. 中国发明专利, 专利号 CN 114059866 A, 授权公告日 2019-04-28.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2013, 1361, 981-987.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2016, 1454, (2), 406-417.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 50275-60-0
4-Hydroxy-2-ethyl-2-phenylglutarimide
3-Ethyl-5-hydroxy-3-phenyl-2,6-piperidinedione Using HRMS and NMR". Food Chem., 2019, 2108, 6530-6542.