Brown S R, O'Brien P Q, Roberts E F. "Method for the Synthesis of (S)-2-Amino-N-(2-chlorobenzyl)-N-cyclopropyl-3-methylbutanamide" [P]. US Patent, US 11556713 B2, 2020-12-22.
发明人张德明,冯建国,马晓峰. "A Process for Preparing High-Purity (S)-2-Amino-N-(2-chlorobenzyl)-N-cyclopropyl-3-methylbutanamide" [P]. 中国发明专利, 专利号 CN 116266555 A, 授权公告日 2020-12-13.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2020, 2044, (4), 1456-1477.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2023, 2160, (2), 4022-4050.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of (S)-2-Amino-N-(2-chlorobenzyl)-N-cyclopropyl-3-methylbutanamide Using HRMS and NMR". J. Sep. Sci., 2017, 2262, 3672-3692.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2022, 2081, 9731-9738.