发明人孙丽萍,罗永刚,胡光. "Method for the Synthesis of (S)-2-((R)-2-Amino-3-methylbutanamido)-N-(4-(hydroxymethyl)phenyl)-5-ureidopentanamide" [P]. 中国发明专利, 专利号 CN 111285293 A, 授权公告日 2015-08-21.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of (S)-2-((R)-2-氨基-3-甲基丁酰胺基)-N-(4-(羟甲基)苯基)-5-脲基戊酰胺 in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2010, 130, (7), 1817-1845.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of (S)-2-((R)-2-氨基-3-甲基丁酰胺基)-N-(4-(羟甲基)苯基)-5-脲基戊酰胺 as an Impurity". Food Chem., 2022, 1383, (9), 4314-4322.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of (S)-2-((R)-2-Amino-3-methylbutanamido)-N-(4-(hydroxymethyl)phenyl)-5-ureidopentanamide Using HRMS and NMR". J. Pharm. Biomed. Anal., 2024, 524, (4), 7502-7520.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate (S)-2-((R)-2-氨基-3-甲基丁酰胺基)-N-(4-(羟甲基)苯基)-5-脲基戊酰胺 Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2014, 403, 8305-8327.