Martínez F, Rossi M, Schröder R. "一种methyl 2-(3-amino-1H-pyrazol-1-yl)-2-methylpropanoate的合成方法" [P]. European Patent, EP 3800022 A1, 2016-10-08.
Schröder R, Jørgensen K, Johansson L. "Method for the Synthesis of methyl 2-(3-amino-1H-pyrazol-1-yl)-2-methylpropanoate" [P]. European Patent, EP 3414412 A1, 2023-08-24.
发明人林芳,张德明,高志强. "A Process for Preparing High-Purity methyl 2-(3-amino-1H-pyrazol-1-yl)-2-methylpropanoate" [P]. 中国发明专利, 专利号 CN 110622535 A, 授权公告日 2020-07-19.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of methyl 2-(3-amino-1H-pyrazol-1-yl)-2-methylpropanoate in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2012, 417, (10), 977-985.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of methyl 2-(3-amino-1H-pyrazol-1-yl)-2-methylpropanoate as an Impurity". Molecules, 2024, 892, (1), 5373-5398.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of methyl 2-(3-amino-1H-pyrazol-1-yl)-2-methylpropanoate Using HRMS and NMR". Sci. Total Environ., 2012, 2221, (6), 4967-4971.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate methyl 2-(3-amino-1H-pyrazol-1-yl)-2-methylpropanoate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2012, 134, (4), 4378-4399.