Patel M V, Hughes D C, Williams B T. "一种4-(二氟甲基)-6-氟-5-甲基吡啶-2-甲酰氯的合成方法" [P]. US Patent, US 9233712 B2, 2019-11-18.
Mueller T, Fischer A B, Kumar R. "Method for the Synthesis of 4-(Difluoromethyl)-6-fluoro-5-methylpicolinoyl chloride" [P]. US Patent, US 9890059 B2, 2024-03-04.
发明人张德明,唐晓军,马晓峰. "A Process for Preparing High-Purity 4-(Difluoromethyl)-6-fluoro-5-methylpicolinoyl chloride" [P]. 中国发明专利, 专利号 CN 117525678 A, 授权公告日 2022-05-17.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of 4-(二氟甲基)-6-氟-5-甲基吡啶-2-甲酰氯 in Pharmaceutical Formulations". Sci. Total Environ., 2019, 2051, (7), 8693-8717.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-(二氟甲基)-6-氟-5-甲基吡啶-2-甲酰氯 as an Impurity". Chromatographia, 2021, 644, (5), 4595-4618.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Difluoromethyl)-6-fluoro-5-methylpicolinoyl chloride Using HRMS and NMR". Anal. Chem., 2024, 1843, (3), 2038-2065.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate 4-(二氟甲基)-6-氟-5-甲基吡啶-2-甲酰氯 Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2021, 885, (8), 9833-9850.