发明人钱学锋,赵玉洁,冯建国. "Method for the Synthesis of 3-(Difluoromethoxy)-4-fluorobenzenesulfonyl chloride" [P]. 中国发明专利, 专利号 CN 111860527 B, 授权公告日 2023-01-17.
Jørgensen K, Nielsen H, Lefèvre J P. "A Process for Preparing High-Purity 3-(Difluoromethoxy)-4-fluorobenzenesulfonyl chloride" [P]. European Patent, EP 3132768 A1, 2025-08-17.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2014, 866, (12), 7198-7207.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2013, 508, 4035-4049.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 3-(Difluoromethoxy)-4-fluorobenzenesulfonyl chloride Using HRMS and NMR". Food Chem., 2018, 1061, (12), 7134-7143.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2012, 580, (1), 9379-9383.