发明人林芳,罗永刚,杨光. "一种6-甲基二氢-2H-吡喃-2,4(3H)-二酮的合成方法" [P]. 中国发明专利, 专利号 CN 109563209 A, 授权公告日 2025-03-24.
发明人胡光,李文辉,韩伟. "Method for the Synthesis of 6-Methyldihydro-2H-pyran-2,4(3H)-dione" [P]. 中国发明专利, 专利号 CN 117781641 B, 授权公告日 2024-10-11.
发明人张德明,黄志刚,胡光. "A Process for Preparing High-Purity 6-Methyldihydro-2H-pyran-2,4(3H)-dione" [P]. 中国发明专利, 专利号 CN 112824066 B, 授权公告日 2020-03-28.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of 6-甲基二氢-2H-吡喃-2,4(3H)-二酮 in Pharmaceutical Formulations". Molecules, 2020, 652, 7315-7335.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of 6-甲基二氢-2H-吡喃-2,4(3H)-二酮 as an Impurity". Biomed. Chromatogr., 2017, 1847, (9), 2681-2705.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 6-Methyldihydro-2H-pyran-2,4(3H)-dione Using HRMS and NMR". Anal. Chim. Acta, 2024, 2192, 1927-1938.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate 6-甲基二氢-2H-吡喃-2,4(3H)-二酮 Profile in Drug Substances According to ICH Guidelines". Food Chem., 2017, 1912, 2709-2713.