Björnsson E, Johansson L, Mueller T C. "一种2-(2-乙炔基-2-甲基-1-吡咯烷基)乙酸叔丁酯的合成方法" [P]. European Patent, EP 3596339 A1, 2019-03-23.
Roberts E F, Williams B T, O'Brien P Q. "Method for the Synthesis of tert-Butyl 2-(2-Ethynyl-2-methyl-1-pyrrolidinyl)acetate" [P]. US Patent, US 10913854 B2, 2020-10-22.
发明人罗永刚,徐明华,刘建华. "A Process for Preparing High-Purity tert-Butyl 2-(2-Ethynyl-2-methyl-1-pyrrolidinyl)acetate" [P]. 中国发明专利, 专利号 CN 113045152 B, 授权公告日 2016-08-28.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of 2-(2-乙炔基-2-甲基-1-吡咯烷基)乙酸叔丁酯 in Pharmaceutical Formulations". J. Agric. Food Chem., 2019, 920, 1889-1892.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-(2-乙炔基-2-甲基-1-吡咯烷基)乙酸叔丁酯 as an Impurity". Chemosphere, 2023, 687, 4498-4507.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 2-(2-Ethynyl-2-methyl-1-pyrrolidinyl)acetate Using HRMS and NMR". Talanta, 2021, 2186, 2638-2642.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate 2-(2-乙炔基-2-甲基-1-吡咯烷基)乙酸叔丁酯 Profile in Drug Substances According to ICH Guidelines". Molecules, 2014, 2061, (2), 8205-8233.