发明人赵玉洁,马晓峰,胡光. "Method for the Synthesis of (1R,2R)-1-amino-2-(difluoromethyl)-N-((1-methylcyclopropyl)sulfonyl)cyclopropane-1-carboxamide" [P]. 中国发明专利, 专利号 CN 112771391 B, 授权公告日 2025-08-18.
Björnsson E, Jørgensen K, Kowalski A. "A Process for Preparing High-Purity (1R,2R)-1-amino-2-(difluoromethyl)-N-((1-methylcyclopropyl)sulfonyl)cyclopropane-1-carboxamide" [P]. European Patent, EP 3279200 A1, 2022-01-06.
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. Pharm. Biomed. Anal., 2023, 866, (11), 5676-5702.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2018, 1164, 2534-2537.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of (1R,2R)-1-amino-2-(difluoromethyl)-N-((1-methylcyclopropyl)sulfonyl)cyclopropane-1-carboxamide Using HRMS and NMR". Sci. Total Environ., 2024, 1964, (5), 8374-8391.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2016, 2161, 8666-8673.