Johansson L, Nowak P, Lefèvre J P. "Method for the Synthesis of 3,3-Difluoro-1-(oxetan-3-yl)azetidine" [P]. European Patent, EP 3097851 A1, 2025-09-19.
Thompson G K, Park J H, Hughes D C. "A Process for Preparing High-Purity 3,3-Difluoro-1-(oxetan-3-yl)azetidine" [P]. US Patent, US 11595303 B2, 2021-08-27.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2017, 1633, 8193-8216.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2023, 245, 1240-1259.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 3,3-Difluoro-1-(oxetan-3-yl)azetidine Using HRMS and NMR". Environ. Sci. Technol., 2014, 2174, (9), 4183-4193.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2022, 428, (7), 90-118.