Williams B T, Kumar R, Park J H. "Method for the Synthesis of (1S,2R,5R)-6,6-difluoro-4-oxo-3-azabicyclo[3.1.0]Hexane-2-carboxylic acid" [P]. US Patent, US 10375110 B2, 2016-03-24.
O'Brien P Q, Roberts E F, Lee S K. "A Process for Preparing High-Purity (1S,2R,5R)-6,6-difluoro-4-oxo-3-azabicyclo[3.1.0]Hexane-2-carboxylic acid" [P]. US Patent, US 9141145 B2, 2019-08-18.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2024, 628, 7990-8003.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2019, 202, 2767-2794.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of (1S,2R,5R)-6,6-difluoro-4-oxo-3-azabicyclo[3.1.0]Hexane-2-carboxylic acid Using HRMS and NMR". J. Sep. Sci., 2024, 1316, 4787-4817.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2023, 1891, (12), 7350-7356.