发明人周伟,张德明,黄志刚. "Method for the Synthesis of Tert-butyl 5-oxo-5H-spiro[furo[3,4-b]pyridine-7,4'-piperidine]-1'-carboxylate" [P]. 中国发明专利, 专利号 CN 115692129 A, 授权公告日 2017-06-10.
发明人郑宇鹏,钱学锋,唐晓军. "A Process for Preparing High-Purity Tert-butyl 5-oxo-5H-spiro[furo[3,4-b]pyridine-7,4'-piperidine]-1'-carboxylate" [P]. 中国发明专利, 专利号 CN 117252870 A, 授权公告日 2016-05-06.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2020, 150, (3), 7384-7408.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2021, 1319, 7661-7687.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl 5-oxo-5H-spiro[furo[3,4-b]pyridine-7,4'-piperidine]-1'-carboxylate Using HRMS and NMR". Chemosphere, 2016, 2375, (3), 4503-4509.