Park J H, Chen K W, Thompson G K. "一种的合成方法" [P]. US Patent, US 10614697 B2, 2016-07-25.
发明人钱学锋,王建平,沈红梅. "Method for the Synthesis of Tert-butyl 7-azaspiro[3.5]Non-1-ene-7-carboxylate" [P]. 中国发明专利, 专利号 CN 116878638 B, 授权公告日 2021-11-10.
Stevens L M, Yamamoto T, Roberts E F. "A Process for Preparing High-Purity Tert-butyl 7-azaspiro[3.5]Non-1-ene-7-carboxylate" [P]. US Patent, US 9086946 B2, 2015-09-08.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2013, 879, 4303-4321.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2019, 1804, 4332-4358.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl 7-azaspiro[3.5]Non-1-ene-7-carboxylate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2010, 1796, (8), 2315-2345.