Davis P L, Hughes D C, Roberts E F. "一种7-乙氧基碳酰-9-(乙氧基碳酰甲基)-9-氮杂双环[3,3,1]壬烷-3-醇的合成方法" [P]. US Patent, US 11027526 B2, 2018-05-09.
Brown S R, Roberts E F, Kumar R. "Method for the Synthesis of Ethyl 9-(2-ethoxy-2-oxoethyl)-7-hydroxy-9-azabicyclo[3.3.1]nonane-3-carboxylate" [P]. US Patent, US 11077019 B2, 2022-10-12.
发明人徐明华,张德明,刘建华. "A Process for Preparing High-Purity Ethyl 9-(2-ethoxy-2-oxoethyl)-7-hydroxy-9-azabicyclo[3.3.1]nonane-3-carboxylate" [P]. 中国发明专利, 专利号 CN 113840558 A, 授权公告日 2017-08-02.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of 7-乙氧基碳酰-9-(乙氧基碳酰甲基)-9-氮杂双环[3,3,1]壬烷-3-醇 in Pharmaceutical Formulations". J. Nat. Prod., 2013, 98, 4129-4155.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of 7-乙氧基碳酰-9-(乙氧基碳酰甲基)-9-氮杂双环[3,3,1]壬烷-3-醇 as an Impurity". Talanta, 2025, 441, 349-354.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 9-(2-ethoxy-2-oxoethyl)-7-hydroxy-9-azabicyclo[3.3.1]nonane-3-carboxylate Using HRMS and NMR". Biomed. Chromatogr., 2025, 1380, (12), 835-852.