Thompson G K, Johnson M A, Chen K W. "一种的合成方法" [P]. US Patent, US 11427874 B2, 2018-09-09.
Davis P L, Chen K W, Brown S R. "Method for the Synthesis of Propargyl-PEG4-S-PEG4-Boc" [P]. US Patent, US 11292202 B2, 2021-10-08.
Fischer A B, Anderson J P, Williams B T. "A Process for Preparing High-Purity Propargyl-PEG4-S-PEG4-Boc" [P]. US Patent, US 10778642 B2, 2015-11-09.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2010, 482, (8), 5664-5679.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2019, 2363, 2011-2027.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Propargyl-PEG4-S-PEG4-Boc Using HRMS and NMR". Chemosphere, 2014, 2064, (12), 6017-6033.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2017, 81, (5), 6990-7020.