Björnsson E, Rossi M, Sørensen M. "一种的合成方法" [P]. European Patent, EP 3267313 A1, 2018-09-14.
发明人王建平,郭海燕,孙丽萍. "Method for the Synthesis of (2S)-2-[[(2S)-2-[[(2S)-2-[3-[2-[2-[2-(2-azidoethoxy)ethoxy]ethoxy]ethoxy]propanoylamino]propanoyl]amino]propanoyl]amino]-N-[4-(hydroxymethyl)phenyl]-N'-trityl-butanediamide" [P]. 中国发明专利, 专利号 CN 112151948 B, 授权公告日 2019-02-21.
Brown S R, Schröder R, Anderson J P. "A Process for Preparing High-Purity (2S)-2-[[(2S)-2-[[(2S)-2-[3-[2-[2-[2-(2-azidoethoxy)ethoxy]ethoxy]ethoxy]propanoylamino]propanoyl]amino]propanoyl]amino]-N-[4-(hydroxymethyl)phenyl]-N'-trityl-butanediamide" [P]. US Patent, US 10270644 B2, 2017-10-13.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2011, 929, 7960-7989.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2021, 833, 5251-5256.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of (2S)-2-[[(2S)-2-[[(2S)-2-[3-[2-[2-[2-(2-azidoethoxy)ethoxy]ethoxy]ethoxy]propanoylamino]propanoyl]amino]propanoyl]amino]-N-[4-(hydroxymethyl)phenyl]-N'-trityl-butanediamide Using HRMS and NMR". J. Agric. Food Chem., 2010, 1891, (7), 7299-7311.