发明人郑宇鹏,何建平,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110352662 A, 授权公告日 2023-02-25.
发明人张德明,徐明华,韩伟. "Method for the Synthesis of Tert-butyl (3S,6S)-6-(aminomethyl)-1,1-difluoro-5-azaspiro[2.4]Heptane-5-carboxylate" [P]. 中国发明专利, 专利号 CN 108715088 B, 授权公告日 2023-05-11.
发明人赵玉洁,王建平,韩伟. "A Process for Preparing High-Purity Tert-butyl (3S,6S)-6-(aminomethyl)-1,1-difluoro-5-azaspiro[2.4]Heptane-5-carboxylate" [P]. 中国发明专利, 专利号 CN 117779685 A, 授权公告日 2017-05-24.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2017, 1997, (8), 3042-3067.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2010, 1678, (1), 7314-7341.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl (3S,6S)-6-(aminomethyl)-1,1-difluoro-5-azaspiro[2.4]Heptane-5-carboxylate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2011, 895, (11), 9884-9914.