Park J H, Yamamoto T, Klinger H. "Method for the Synthesis of 4-(Boc-amino)-2-(Cbz-amino)butanoic Acid" [P]. US Patent, US 10442311 B2, 2017-02-24.
Thompson G K, Stevens L M, Park J H. "A Process for Preparing High-Purity 4-(Boc-amino)-2-(Cbz-amino)butanoic Acid" [P]. US Patent, US 9330117 B2, 2017-11-25.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of 4-(Boc-氨基)-2-(Cbz-氨基)丁酸 in Pharmaceutical Formulations". Food Chem., 2024, 925, 6903-6932.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-(Boc-氨基)-2-(Cbz-氨基)丁酸 as an Impurity". Sci. Total Environ., 2016, 1879, (10), 7050-7053.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Boc-amino)-2-(Cbz-amino)butanoic Acid Using HRMS and NMR". J. Nat. Prod., 2011, 2088, 9762-9767.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate 4-(Boc-氨基)-2-(Cbz-氨基)丁酸 Profile in Drug Substances According to ICH Guidelines". Talanta, 2024, 1526, (11), 6115-6136.