Johnson M A, Stevens L M, Thompson G K. "一种2-氧杂-6-苄基-6-氮杂螺[3.3]庚烷草酸盐的合成方法" [P]. US Patent, US 11907642 B2, 2023-01-22.
Stevens L M, Kumar R, Williams B T. "Method for the Synthesis of 2-Oxa-6-azaspiro[3.3]heptane Oxalate" [P]. US Patent, US 11621973 B2, 2021-07-13.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of 2-氧杂-6-苄基-6-氮杂螺[3.3]庚烷草酸盐 in Pharmaceutical Formulations". Anal. Chem., 2014, 1830, 7-19.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-氧杂-6-苄基-6-氮杂螺[3.3]庚烷草酸盐 as an Impurity". Biomed. Chromatogr., 2020, 210, (10), 2284-2297.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 2-Oxa-6-azaspiro[3.3]heptane Oxalate Using HRMS and NMR". Food Chem., 2012, 642, 6968-6979.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate 2-氧杂-6-苄基-6-氮杂螺[3.3]庚烷草酸盐 Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2020, 2209, 8250-8277.