Williams B T, Fischer A B, Stevens L M. "一种的合成方法" [P]. US Patent, US 9344404 B2, 2017-11-16.
发明人郭海燕,罗永刚,韩伟. "Method for the Synthesis of Ethyl 5-ethyl-1,3-oxazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 116074702 B, 授权公告日 2023-10-11.
发明人何建平,王建平,高志强. "A Process for Preparing High-Purity Ethyl 5-ethyl-1,3-oxazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 110987793 A, 授权公告日 2019-06-07.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2012, 1928, 2378-2401.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2010, 889, 5752-5764.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 5-ethyl-1,3-oxazole-4-carboxylate Using HRMS and NMR". J. Nat. Prod., 2013, 640, (11), 1677-1686.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2025, 644, 1472-1492.