Stevens L M, Kumar R, Brown S R. "一种的合成方法" [P]. US Patent, US 10545015 B2, 2016-02-04.
发明人郑宇鹏,钱学锋,唐晓军. "Method for the Synthesis of 2-(((Benzyloxy)carbonyl)amino)-6-(tert-butoxycarbonyl)-6-azaspiro[3.4]Octane-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108106007 A, 授权公告日 2024-11-22.
发明人郑宇鹏,高志强,胡光. "A Process for Preparing High-Purity 2-(((Benzyloxy)carbonyl)amino)-6-(tert-butoxycarbonyl)-6-azaspiro[3.4]Octane-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109661798 B, 授权公告日 2015-10-18.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2015, 1372, 4364-4372.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2018, 1329, 5732-5759.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 2-(((Benzyloxy)carbonyl)amino)-6-(tert-butoxycarbonyl)-6-azaspiro[3.4]Octane-2-carboxylic acid Using HRMS and NMR". Sci. Total Environ., 2018, 1370, (1), 6302-6316.