发明人朱建伟,马晓峰,高志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112128251 A, 授权公告日 2025-02-15.
发明人王建平,赵玉洁,郭海燕. "Method for the Synthesis of (2S,3R)-2-(5-(Tert-butoxycarbonyl)-1-oxo-2,5-diazaspiro[3.4]octan-2-yl)-3-hydroxybutanoic acid" [P]. 中国发明专利, 专利号 CN 117953537 B, 授权公告日 2018-02-26.
发明人钱学锋,郑宇鹏,胡光. "A Process for Preparing High-Purity (2S,3R)-2-(5-(Tert-butoxycarbonyl)-1-oxo-2,5-diazaspiro[3.4]octan-2-yl)-3-hydroxybutanoic acid" [P]. 中国发明专利, 专利号 CN 116022643 B, 授权公告日 2022-02-24.
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". J. Nat. Prod., 2024, 2048, 5778-5797.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2025, 1213, (9), 6914-6933.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of (2S,3R)-2-(5-(Tert-butoxycarbonyl)-1-oxo-2,5-diazaspiro[3.4]octan-2-yl)-3-hydroxybutanoic acid Using HRMS and NMR". J. Chromatogr. A, 2022, 1616, 96-116.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2012, 731, 7768-7774.