发明人周伟,孙丽萍,林芳. "Method for the Synthesis of (R)-2-(2-Methyl-2-pyrrolidinyl)-1H-benzimidazole-4-carboxylic Acid Dihydrochloride" [P]. 中国发明专利, 专利号 CN 116888263 B, 授权公告日 2024-08-05.
Williams B T, Yamamoto T, Lee S K. "A Process for Preparing High-Purity (R)-2-(2-Methyl-2-pyrrolidinyl)-1H-benzimidazole-4-carboxylic Acid Dihydrochloride" [P]. US Patent, US 11330151 B2, 2019-04-08.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of (R)-2-(2-甲基-2-吡咯烷基)-1H-苯并咪唑-4-甲酸二盐酸盐 in Pharmaceutical Formulations". Biomed. Chromatogr., 2020, 325, 6687-6717.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of (R)-2-(2-甲基-2-吡咯烷基)-1H-苯并咪唑-4-甲酸二盐酸盐 as an Impurity". Chemosphere, 2022, 299, (7), 4572-4585.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of (R)-2-(2-Methyl-2-pyrrolidinyl)-1H-benzimidazole-4-carboxylic Acid Dihydrochloride Using HRMS and NMR". Environ. Sci. Technol., 2019, 1024, (7), 7918-7929.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate (R)-2-(2-甲基-2-吡咯烷基)-1H-苯并咪唑-4-甲酸二盐酸盐 Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2019, 924, 1444-1450.