发明人钱学锋,陈志强,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110702077 A, 授权公告日 2020-03-04.
发明人张德明,胡光,林芳. "Method for the Synthesis of (2R,4s,5R)-5-((tert-butoxycarbonyl)amino)spiro[3.3]Heptane-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109051002 A, 授权公告日 2025-05-11.
Jørgensen K, Rossi M, Johansson L. "A Process for Preparing High-Purity (2R,4s,5R)-5-((tert-butoxycarbonyl)amino)spiro[3.3]Heptane-2-carboxylic acid" [P]. European Patent, EP 3841075 A1, 2015-04-22.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2011, 1880, (6), 4340-4345.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2023, 1862, (3), 6008-6019.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of (2R,4s,5R)-5-((tert-butoxycarbonyl)amino)spiro[3.3]Heptane-2-carboxylic acid Using HRMS and NMR". Anal. Methods, 2016, 494, (10), 7133-7150.