Schröder R, Rossi M, Jørgensen K. "Method for the Synthesis of (3-((1,4-Dioxa-8-azaspiro[4.5]Decan-8-yl)methyl)phenyl)(2,6-dimethylphenyl)methanone" [P]. European Patent, EP 3862452 A1, 2023-04-13.
Kumar R, Hughes D C, Mueller T. "A Process for Preparing High-Purity (3-((1,4-Dioxa-8-azaspiro[4.5]Decan-8-yl)methyl)phenyl)(2,6-dimethylphenyl)methanone" [P]. US Patent, US 10394878 B2, 2023-08-22.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2011, 1648, 6871-6898.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2018, 99, (6), 2802-2819.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of (3-((1,4-Dioxa-8-azaspiro[4.5]Decan-8-yl)methyl)phenyl)(2,6-dimethylphenyl)methanone Using HRMS and NMR". J. Nat. Prod., 2019, 1645, (4), 7706-7731.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2016, 633, 8942-8950.