Johnson M A, Patel M V, O'Brien P Q. "Method for the Synthesis of 3-(1,1-difluoroethyl)bicyclo[1.1.1]pentane-1-carboxylic acid" [P]. US Patent, US 11609401 B2, 2020-06-16.
发明人周伟,杨光,黄志刚. "A Process for Preparing High-Purity 3-(1,1-difluoroethyl)bicyclo[1.1.1]pentane-1-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108599878 B, 授权公告日 2017-09-04.
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". Chemosphere, 2019, 2082, (7), 9460-9487.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2024, 553, 7122-7133.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 3-(1,1-difluoroethyl)bicyclo[1.1.1]pentane-1-carboxylic acid Using HRMS and NMR". Biomed. Chromatogr., 2019, 476, 3175-3192.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2016, 1026, (3), 4511-4532.