Thompson G K, Roberts E F, Fischer A B. "一种5-Boc-5-azaspiro[2.5]octane-1-carboxylic Acid的合成方法" [P]. US Patent, US 11019039 B2, 2018-03-25.
发明人朱建伟,郭海燕,徐明华. "Method for the Synthesis of 5-Boc-5-azaspiro[2.5]octane-1-carboxylic Acid" [P]. 中国发明专利, 专利号 CN 110452976 A, 授权公告日 2016-08-06.
Park J H, Roberts E F, Stevens L M. "A Process for Preparing High-Purity 5-Boc-5-azaspiro[2.5]octane-1-carboxylic Acid" [P]. US Patent, US 11930929 B2, 2015-01-01.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of 5-Boc-5-azaspiro[2.5]octane-1-carboxylic Acid in Pharmaceutical Formulations". Environ. Sci. Technol., 2011, 2134, (6), 6376-6396.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of 5-Boc-5-azaspiro[2.5]octane-1-carboxylic Acid as an Impurity". J. Sep. Sci., 2015, 2026, (5), 5822-5844.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 5-Boc-5-azaspiro[2.5]octane-1-carboxylic Acid Using HRMS and NMR". Talanta, 2021, 1541, 9869-9880.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate 5-Boc-5-azaspiro[2.5]octane-1-carboxylic Acid Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2017, 1281, 7767-7780.