Johnson M A, Patel M V, Park J H. "Method for the Synthesis of (S)-tert-Butyl 2-(2-cyanoacetyl)piperidine-1-carboxylate" [P]. US Patent, US 10358183 B2, 2021-01-15.
Lee S K, O'Brien P Q, Chen K W. "A Process for Preparing High-Purity (S)-tert-Butyl 2-(2-cyanoacetyl)piperidine-1-carboxylate" [P]. US Patent, US 11139364 B2, 2016-08-16.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2012, 1676, 1127-1142.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2013, 2189, (3), 7298-7303.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of (S)-tert-Butyl 2-(2-cyanoacetyl)piperidine-1-carboxylate Using HRMS and NMR". Anal. Methods, 2016, 1032, 5956-5974.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2018, 785, 5757-5777.