Fischer A B, Davis P L, Mueller T. "一种的合成方法" [P]. US Patent, US 10345744 B2, 2018-02-12.
发明人林芳,冯建国,徐明华. "Method for the Synthesis of 3-amino-4-[[1-[2-[[5-amino-1-[[2-[[2-[[4-amino-1-[[1-benzyl-2-[[1-[[2-[[1-[(1-carbamoyl-3-methylsulfanyl-propyl)carbamoyl]-3-methyl-butyl]amino]-2-oxo-ethyl]carbamoyl]-2-methyl-propyl]amino]-2-oxo-ethyl]carbamoyl]-4-oxo-butyl]amino]-1-(carboxymethyl)-2-oxo-ethyl]amino]-1-(hydroxymethyl)-2-oxo-ethyl]carbamoyl]pentyl]carbamoyl]pyrrolidine-1-carbonyl]-2-methyl-propyl]amino]-4-oxo-butanoic acid
3-amino-4-[[1-[2-[[6-amino-1-[[1-[[1-[[5-amino-1-[[1-[[1-[[2-[[1-[(1-amino-4-methylsulfanyl-1-oxobutan-2-yl)amino]-4-methyl-1-oxopentan-2-yl]amino]-2-oxoethyl]amino]-3-methyl-1-oxobutan-2-yl]amino]-1-oxo-3-phenylpropan-2-yl]amino]-1,5-dioxopentan-2-yl]amino]-3-carboxy-1-oxopropan-2-yl]amino]-3-hydroxy-1-oxopropan-2-yl]amino]-1-oxohexan-2-yl]carbamoyl]pyrrolidin-1-yl]-3-methyl-1-oxobutan-2-yl]amino]-4-oxobutanoic acid
63968-82-1" [P]. 中国发明专利, 专利号 CN 108723823 A, 授权公告日 2018-10-10.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2024, 1619, (12), 4991-5006.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2025, 1424, 6948-6978.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 3-amino-4-[[1-[2-[[5-amino-1-[[2-[[2-[[4-amino-1-[[1-benzyl-2-[[1-[[2-[[1-[(1-carbamoyl-3-methylsulfanyl-propyl)carbamoyl]-3-methyl-butyl]amino]-2-oxo-ethyl]carbamoyl]-2-methyl-propyl]amino]-2-oxo-ethyl]carbamoyl]-4-oxo-butyl]amino]-1-(carboxymethyl)-2-oxo-ethyl]amino]-1-(hydroxymethyl)-2-oxo-ethyl]carbamoyl]pentyl]carbamoyl]pyrrolidine-1-carbonyl]-2-methyl-propyl]amino]-4-oxo-butanoic acid
3-amino-4-[[1-[2-[[6-amino-1-[[1-[[1-[[5-amino-1-[[1-[[1-[[2-[[1-[(1-amino-4-methylsulfanyl-1-oxobutan-2-yl)amino]-4-methyl-1-oxopentan-2-yl]amino]-2-oxoethyl]amino]-3-methyl-1-oxobutan-2-yl]amino]-1-oxo-3-phenylpropan-2-yl]amino]-1,5-dioxopentan-2-yl]amino]-3-carboxy-1-oxopropan-2-yl]amino]-3-hydroxy-1-oxopropan-2-yl]amino]-1-oxohexan-2-yl]carbamoyl]pyrrolidin-1-yl]-3-methyl-1-oxobutan-2-yl]amino]-4-oxobutanoic acid
63968-82-1 Using HRMS and NMR". J. Chromatogr. A, 2018, 1214, 3064-3076.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2010, 1808, (3), 5291-5313.