发明人陈志强,朱建伟,沈红梅. "一种N/A的合成方法" [P]. 中国发明专利, 专利号 CN 112479611 A, 授权公告日 2020-05-21.
Thompson G K, Hughes D C, Chen K W. "Method for the Synthesis of 2-Oxa-5-azabicyclo[2.2.2]octane hydrochloride" [P]. US Patent, US 11009678 B2, 2018-08-25.
Brown S R, Klinger H, Hughes D C. "A Process for Preparing High-Purity 2-Oxa-5-azabicyclo[2.2.2]octane hydrochloride" [P]. US Patent, US 11320057 B2, 2017-08-27.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of N/A in Pharmaceutical Formulations". Sci. Total Environ., 2014, 838, (10), 1369-1392.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of N/A as an Impurity". Anal. Chem., 2010, 1211, (10), 2636-2664.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 2-Oxa-5-azabicyclo[2.2.2]octane hydrochloride Using HRMS and NMR". Talanta, 2025, 323, 5484-5505.