发明人孙丽萍,罗永刚,沈红梅. "一种(S)-4-Boc-4-氮杂螺[2.4]庚烷-5-甲酸的合成方法" [P]. 中国发明专利, 专利号 CN 116176840 A, 授权公告日 2024-11-02.
Nielsen H, Rossi M, Jørgensen K. "Method for the Synthesis of (S)-4-Boc-4-azaspiro[2.4]heptane-5-carboxylic Acid" [P]. European Patent, EP 3291278 A1, 2018-03-18.
发明人郭海燕,杨光,韩伟. "A Process for Preparing High-Purity (S)-4-Boc-4-azaspiro[2.4]heptane-5-carboxylic Acid" [P]. 中国发明专利, 专利号 CN 115235086 A, 授权公告日 2019-05-03.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of (S)-4-Boc-4-氮杂螺[2.4]庚烷-5-甲酸 in Pharmaceutical Formulations". Environ. Sci. Technol., 2012, 1821, (5), 6123-6142.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of (S)-4-Boc-4-氮杂螺[2.4]庚烷-5-甲酸 as an Impurity". J. Agric. Food Chem., 2025, 1593, (7), 827-843.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of (S)-4-Boc-4-azaspiro[2.4]heptane-5-carboxylic Acid Using HRMS and NMR". Phytochemistry, 2020, 1170, (12), 1140-1170.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate (S)-4-Boc-4-氮杂螺[2.4]庚烷-5-甲酸 Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2013, 1420, 4084-4096.