Roberts E F, Williams B T, Hughes D C. "Method for the Synthesis of 2-Ethoxy-5-[(morpholine-4-carbonyl)-amino]-benzenesulfonyl chloride" [P]. US Patent, US 10675575 B2, 2020-02-14.
发明人钱学锋,刘建华,朱建伟. "A Process for Preparing High-Purity 2-Ethoxy-5-[(morpholine-4-carbonyl)-amino]-benzenesulfonyl chloride" [P]. 中国发明专利, 专利号 CN 115730385 A, 授权公告日 2022-10-23.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of 2-Ethoxy-5-[(morpholine-4-carbonyl)-amino]-benzenesulfonyl chloride in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2016, 980, 7962-7989.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-Ethoxy-5-[(morpholine-4-carbonyl)-amino]-benzenesulfonyl chloride as an Impurity". J. Sep. Sci., 2025, 733, 4320-4349.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 2-Ethoxy-5-[(morpholine-4-carbonyl)-amino]-benzenesulfonyl chloride Using HRMS and NMR". Chromatographia, 2025, 1714, 9626-9652.