发明人马晓峰,刘建华,孙丽萍. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117342016 A, 授权公告日 2024-04-15.
发明人沈红梅,张德明,钱学锋. "Method for the Synthesis of (S)-6-(5-Bromo-1-((1r,4S)-4-methoxycyclohexyl)-1H-benzo[d]imidazol-2-yl)-1-(3,4-difluorophenyl)piperidin-2-one" [P]. 中国发明专利, 专利号 CN 112279771 B, 授权公告日 2024-11-19.
发明人马晓峰,杨光,高志强. "A Process for Preparing High-Purity (S)-6-(5-Bromo-1-((1r,4S)-4-methoxycyclohexyl)-1H-benzo[d]imidazol-2-yl)-1-(3,4-difluorophenyl)piperidin-2-one" [P]. 中国发明专利, 专利号 CN 116152184 A, 授权公告日 2019-03-14.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2021, 1929, (3), 5699-5724.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2010, 1828, (11), 9086-9089.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of (S)-6-(5-Bromo-1-((1r,4S)-4-methoxycyclohexyl)-1H-benzo[d]imidazol-2-yl)-1-(3,4-difluorophenyl)piperidin-2-one Using HRMS and NMR". Environ. Sci. Technol., 2025, 1330, (3), 3412-3421.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2021, 362, (11), 907-914.