发明人徐明华,钱学锋,罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109494661 A, 授权公告日 2020-02-26.
发明人黄志刚,王建平,马晓峰. "Method for the Synthesis of Methyl (R)-2-(2-chloroethyl)-4,4-difluoropyrrolidine-2-carboxylate" [P]. 中国发明专利, 专利号 CN 110704926 A, 授权公告日 2024-03-16.
发明人韩伟,赵玉洁,林芳. "A Process for Preparing High-Purity Methyl (R)-2-(2-chloroethyl)-4,4-difluoropyrrolidine-2-carboxylate" [P]. 中国发明专利, 专利号 CN 117338806 A, 授权公告日 2015-09-19.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2022, 1518, 9517-9534.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2018, 301, 1047-1053.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Methyl (R)-2-(2-chloroethyl)-4,4-difluoropyrrolidine-2-carboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2015, 966, 2813-2838.