发明人陈志强,周伟,罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109531981 A, 授权公告日 2022-01-09.
Martínez F, Jørgensen K, Johansson L. "Method for the Synthesis of Ethyl 5-acetyl-4-methyl-2-(2-(p-tolyloxy)acetamido)thiophene-3-carboxylate" [P]. European Patent, EP 3623991 A1, 2025-02-26.
Sørensen M, Nielsen H, Kowalski A. "A Process for Preparing High-Purity Ethyl 5-acetyl-4-methyl-2-(2-(p-tolyloxy)acetamido)thiophene-3-carboxylate" [P]. European Patent, EP 3548447 A1, 2019-07-03.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2010, 2004, 9073-9093.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2010, 2430, (10), 2948-2968.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 5-acetyl-4-methyl-2-(2-(p-tolyloxy)acetamido)thiophene-3-carboxylate Using HRMS and NMR". J. Nat. Prod., 2018, 622, 2446-2459.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2018, 2175, (3), 3090-3105.