发明人钱学锋,孙丽萍,张德明. "Method for the Synthesis of (R)-2-((tert-butoxycarbonyl)amino)-3-(4,4-difluorocyclohexyl)propanoic acid" [P]. 中国发明专利, 专利号 CN 113427327 A, 授权公告日 2019-12-10.
Anderson J P, Mueller T, Schröder R. "A Process for Preparing High-Purity (R)-2-((tert-butoxycarbonyl)amino)-3-(4,4-difluorocyclohexyl)propanoic acid" [P]. US Patent, US 11390024 B2, 2015-04-14.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2018, 1743, (6), 5425-5433.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2018, 2300, 3444-3460.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of (R)-2-((tert-butoxycarbonyl)amino)-3-(4,4-difluorocyclohexyl)propanoic acid Using HRMS and NMR". Food Chem., 2016, 474, 2103-2113.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2025, 1427, (7), 8836-8857.