Yamamoto T, O'Brien P Q, Davis P L. "一种ethyl 5-(4-chlorophenyl)-3-[(cyanoacetyl)amino]thiophene-2-carboxylate的合成方法" [P]. US Patent, US 11401168 B2, 2020-11-01.
发明人胡光,韩伟,黄志刚. "Method for the Synthesis of ethyl 5-(4-chlorophenyl)-3-[(cyanoacetyl)amino]thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 117307459 A, 授权公告日 2023-01-01.
Martínez F, Björnsson E, Jørgensen K. "A Process for Preparing High-Purity ethyl 5-(4-chlorophenyl)-3-[(cyanoacetyl)amino]thiophene-2-carboxylate" [P]. European Patent, EP 3336969 A1, 2017-04-21.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of ethyl 5-(4-chlorophenyl)-3-[(cyanoacetyl)amino]thiophene-2-carboxylate in Pharmaceutical Formulations". Anal. Chem., 2015, 415, (11), 2883-2901.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of ethyl 5-(4-chlorophenyl)-3-[(cyanoacetyl)amino]thiophene-2-carboxylate as an Impurity". Anal. Methods, 2015, 1078, (12), 7782-7788.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of ethyl 5-(4-chlorophenyl)-3-[(cyanoacetyl)amino]thiophene-2-carboxylate Using HRMS and NMR". Molecules, 2024, 794, 6148-6154.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate ethyl 5-(4-chlorophenyl)-3-[(cyanoacetyl)amino]thiophene-2-carboxylate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2023, 1478, (9), 7885-7914.