发明人罗永刚,赵玉洁,刘建华. "一种N-[(1-ethyl-3,5-dimethyl-1H-pyrazol-4-yl)methyl]-3,4-difluoroaniline的合成方法" [P]. 中国发明专利, 专利号 CN 110497247 A, 授权公告日 2023-06-01.
发明人赵玉洁,王建平,钱学锋. "Method for the Synthesis of N-[(1-ethyl-3,5-dimethyl-1H-pyrazol-4-yl)methyl]-3,4-difluoroaniline" [P]. 中国发明专利, 专利号 CN 108754768 A, 授权公告日 2023-11-05.
发明人张德明,罗永刚,沈红梅. "A Process for Preparing High-Purity N-[(1-ethyl-3,5-dimethyl-1H-pyrazol-4-yl)methyl]-3,4-difluoroaniline" [P]. 中国发明专利, 专利号 CN 115267081 A, 授权公告日 2020-04-20.
参考文献 Literature
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Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of N-[(1-ethyl-3,5-dimethyl-1H-pyrazol-4-yl)methyl]-3,4-difluoroaniline as an Impurity". Chromatographia, 2014, 574, 5359-5385.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of N-[(1-ethyl-3,5-dimethyl-1H-pyrazol-4-yl)methyl]-3,4-difluoroaniline Using HRMS and NMR". Talanta, 2019, 931, (11), 3735-3760.