Martínez F, Jørgensen K, Mueller T C. "Method for the Synthesis of 3-(1-(Tert-butoxycarbonyl)piperidin-4-yl)azetidine-3-carboxylic acid" [P]. European Patent, EP 3499062 A1, 2020-08-12.
Hughes D C, Roberts E F, Chen K W. "A Process for Preparing High-Purity 3-(1-(Tert-butoxycarbonyl)piperidin-4-yl)azetidine-3-carboxylic acid" [P]. US Patent, US 9791220 B2, 2018-01-26.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2018, 2234, 3739-3761.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2014, 2174, (4), 9046-9074.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 3-(1-(Tert-butoxycarbonyl)piperidin-4-yl)azetidine-3-carboxylic acid Using HRMS and NMR". Phytochemistry, 2019, 2324, 2017-2026.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2018, 1334, (3), 496-514.