Johansson L, Jørgensen K, Rossi M. "一种的合成方法" [P]. European Patent, EP 3214714 A1, 2022-02-16.
Schröder R, Fischer A B, Lee S K. "Method for the Synthesis of 5-Ethynyl-1-((2S,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidin-2(1H)-one" [P]. US Patent, US 11600661 B2, 2022-08-24.
Roberts E F, Brown S R, Stevens L M. "A Process for Preparing High-Purity 5-Ethynyl-1-((2S,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidin-2(1H)-one" [P]. US Patent, US 11653204 B2, 2019-03-25.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2016, 765, (9), 5862-5889.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2016, 2175, (5), 5826-5856.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 5-Ethynyl-1-((2S,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidin-2(1H)-one Using HRMS and NMR". J. Pharm. Biomed. Anal., 2023, 1146, (3), 9519-9526.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2015, 770, (3), 3014-3025.