发明人何建平,杨光,王建平. "一种N/A的合成方法" [P]. 中国发明专利, 专利号 CN 117249185 A, 授权公告日 2025-10-18.
发明人张德明,王建平,冯建国. "Method for the Synthesis of 2-Cyclopropyl-1-methyl-1H-imidazole" [P]. 中国发明专利, 专利号 CN 111364306 A, 授权公告日 2024-10-17.
发明人王建平,韩伟,孙丽萍. "A Process for Preparing High-Purity 2-Cyclopropyl-1-methyl-1H-imidazole" [P]. 中国发明专利, 专利号 CN 111547318 A, 授权公告日 2025-02-14.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of N/A in Pharmaceutical Formulations". J. Sep. Sci., 2021, 590, 8706-8711.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of N/A as an Impurity". J. Agric. Food Chem., 2023, 1285, 8651-8678.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 2-Cyclopropyl-1-methyl-1H-imidazole Using HRMS and NMR". Phytochemistry, 2025, 512, (11), 9655-9676.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate N/A Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2025, 1199, (4), 3741-3759.