Patel M V, Klinger H, Hughes D C. "一种的合成方法" [P]. US Patent, US 10169122 B2, 2022-11-02.
发明人赵玉洁,马晓峰,周伟. "Method for the Synthesis of (R)-N-(1-(3-(Difluoromethyl)-2-fluorophenyl)ethylidene)-2-methylpropane-2-sulfinamide" [P]. 中国发明专利, 专利号 CN 114701155 A, 授权公告日 2024-07-21.
发明人李文辉,马晓峰,张德明. "A Process for Preparing High-Purity (R)-N-(1-(3-(Difluoromethyl)-2-fluorophenyl)ethylidene)-2-methylpropane-2-sulfinamide" [P]. 中国发明专利, 专利号 CN 114229895 A, 授权公告日 2021-11-19.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2017, 186, (1), 3905-3908.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2011, 1702, (6), 3662-3689.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of (R)-N-(1-(3-(Difluoromethyl)-2-fluorophenyl)ethylidene)-2-methylpropane-2-sulfinamide Using HRMS and NMR". Environ. Sci. Technol., 2010, 519, 271-289.