Johnson M A, Stevens L M, Fischer A B. "Method for the Synthesis of 1-Ethynyl-3,4-difluoro-2-methoxybenzene" [P]. US Patent, US 11822779 B2, 2024-11-13.
发明人黄志刚,罗永刚,张德明. "A Process for Preparing High-Purity 1-Ethynyl-3,4-difluoro-2-methoxybenzene" [P]. 中国发明专利, 专利号 CN 113690208 A, 授权公告日 2022-04-26.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2020, 1406, 6329-6356.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2012, 1793, (5), 7322-7341.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 1-Ethynyl-3,4-difluoro-2-methoxybenzene Using HRMS and NMR". Molecules, 2014, 2469, (11), 9642-9652.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2019, 1292, (9), 4762-4771.