Kowalski A, Jørgensen K, Johansson L. "一种的合成方法" [P]. European Patent, EP 3830007 A1, 2022-07-11.
发明人唐晓军,周伟,高志强. "Method for the Synthesis of 4-Ethoxy-3-(8-methoxy-4-oxo-3,4-dihydroquinazolin-2-yl)benzene-1-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 109737427 A, 授权公告日 2017-05-11.
发明人徐明华,唐晓军,马晓峰. "A Process for Preparing High-Purity 4-Ethoxy-3-(8-methoxy-4-oxo-3,4-dihydroquinazolin-2-yl)benzene-1-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 112452863 B, 授权公告日 2022-09-24.
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". J. Chromatogr. A, 2018, 1264, 8991-9020.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2011, 2402, 3763-3775.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 4-Ethoxy-3-(8-methoxy-4-oxo-3,4-dihydroquinazolin-2-yl)benzene-1-sulfonyl chloride Using HRMS and NMR". Anal. Chem., 2015, 901, 3376-3395.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2019, 1640, (7), 2492-2496.