Williams B T, Stevens L M, Schröder R. "一种的合成方法" [P]. US Patent, US 10665515 B2, 2025-11-03.
发明人钱学锋,朱建伟,高志强. "Method for the Synthesis of Ethyl 4,4-difluoropyrrolidine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 109092243 B, 授权公告日 2025-08-04.
发明人周伟,钱学锋,韩伟. "A Process for Preparing High-Purity Ethyl 4,4-difluoropyrrolidine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 115182499 B, 授权公告日 2016-07-04.
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". J. Nat. Prod., 2015, 1828, 1939-1953.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2014, 1273, 7176-7182.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4,4-difluoropyrrolidine-3-carboxylate Using HRMS and NMR". Phytochemistry, 2014, 1110, 1046-1055.