Stevens L M, Lee S K, Kumar R. "一种的合成方法" [P]. US Patent, US 9209662 B2, 2017-02-06.
Sørensen M, Björnsson E, Rossi M. "Method for the Synthesis of L-Asparagine, N2-[(9H-fluoren-9-ylmethoxy)carbonyl]-N-(triphenylmethyl)-, 2-carboxy-2-[[(1,1-dimethylethoxy)carbonyl]amino]ethyl ester" [P]. European Patent, EP 3070718 A1, 2024-04-26.
发明人刘建华,徐明华,何建平. "A Process for Preparing High-Purity L-Asparagine, N2-[(9H-fluoren-9-ylmethoxy)carbonyl]-N-(triphenylmethyl)-, 2-carboxy-2-[[(1,1-dimethylethoxy)carbonyl]amino]ethyl ester" [P]. 中国发明专利, 专利号 CN 112308144 B, 授权公告日 2017-05-15.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2019, 1446, 6789-6808.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2020, 1211, (8), 1227-1247.