Williams B T, Lee S K, Anderson J P. "一种1-[(叔-丁氧基)羰基]-3,3-二氟吡咯烷-2-羧酸的合成方法" [P]. US Patent, US 9476023 B2, 2015-11-25.
Martínez F, Kowalski A, Johansson L. "Method for the Synthesis of 1-[(tert-butoxy)carbonyl]-3,3-difluoropyrrolidine-2-carboxylic acid" [P]. European Patent, EP 3705394 A1, 2022-08-06.
发明人冯建国,郭海燕,杨光. "A Process for Preparing High-Purity 1-[(tert-butoxy)carbonyl]-3,3-difluoropyrrolidine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117240100 B, 授权公告日 2023-04-26.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of 1-[(叔-丁氧基)羰基]-3,3-二氟吡咯烷-2-羧酸 in Pharmaceutical Formulations". J. Sep. Sci., 2010, 105, 2174-2202.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1-[(叔-丁氧基)羰基]-3,3-二氟吡咯烷-2-羧酸 as an Impurity". J. Agric. Food Chem., 2016, 1940, (2), 3573-3581.