Sørensen M, Kowalski A, Jørgensen K. "Method for the Synthesis of (4,4-Difluoro-1,2-dimethylpyrrolidin-2-yl)methanol" [P]. European Patent, EP 3287728 A1, 2019-04-12.
Schröder R, Patel M V, Lee S K. "A Process for Preparing High-Purity (4,4-Difluoro-1,2-dimethylpyrrolidin-2-yl)methanol" [P]. US Patent, US 11120166 B2, 2021-11-13.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2015, 1429, 1970-1996.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2023, 1468, (12), 6898-6918.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of (4,4-Difluoro-1,2-dimethylpyrrolidin-2-yl)methanol Using HRMS and NMR". Food Chem., 2010, 2219, (6), 6459-6471.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2014, 338, 810-815.