发明人周伟,冯建国,何建平. "一种5-氰基-1-苯基吡唑-4-甲酸乙酯的合成方法" [P]. 中国发明专利, 专利号 CN 114098611 A, 授权公告日 2021-04-04.
Lefèvre J P, Schröder R, Jørgensen K. "Method for the Synthesis of Ethyl 5-cyano-1-phenyl-1H-pyrazole-4-carboxylate" [P]. European Patent, EP 3034683 A1, 2018-06-28.
发明人郑宇鹏,赵玉洁,李文辉. "A Process for Preparing High-Purity Ethyl 5-cyano-1-phenyl-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 111095158 A, 授权公告日 2024-12-27.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of 5-氰基-1-苯基吡唑-4-甲酸乙酯 in Pharmaceutical Formulations". Anal. Chim. Acta, 2015, 350, (1), 5073-5096.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of 5-氰基-1-苯基吡唑-4-甲酸乙酯 as an Impurity". Anal. Chem., 2016, 405, (3), 4109-4113.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 5-cyano-1-phenyl-1H-pyrazole-4-carboxylate Using HRMS and NMR". J. Chromatogr. A, 2016, 1333, (9), 6603-6618.