Rossi M, Schröder R, Mueller T C. "Method for the Synthesis of Tert-butyl 4-cyano-3-methylpiperidine-1-carboxylate" [P]. European Patent, EP 3446055 A1, 2019-01-22.
Lee S K, Stevens L M, Chen K W. "A Process for Preparing High-Purity Tert-butyl 4-cyano-3-methylpiperidine-1-carboxylate" [P]. US Patent, US 11429555 B2, 2021-05-27.
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". J. Pharm. Biomed. Anal., 2016, 795, (7), 1731-1760.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2021, 616, 1316-1339.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl 4-cyano-3-methylpiperidine-1-carboxylate Using HRMS and NMR". Anal. Chim. Acta, 2020, 514, 9923-9953.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2017, 666, (6), 8316-8342.