Johnson M A, Schröder R, Klinger H. "Method for the Synthesis of tert-butyl 2-oxo-2H-spiro[benzofuran-3,4'-piperidine]-1'-carboxylate" [P]. US Patent, US 10233051 B2, 2019-06-06.
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 in Pharmaceutical Formulations". J. Agric. Food Chem., 2025, 1776, (11), 6190-6194.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2022, 141, 7946-7974.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of tert-butyl 2-oxo-2H-spiro[benzofuran-3,4'-piperidine]-1'-carboxylate Using HRMS and NMR". Chromatographia, 2023, 701, (2), 1189-1199.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2018, 1461, (6), 1678-1687.