发明人冯建国,林芳,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111644320 A, 授权公告日 2017-06-23.
发明人胡光,马晓峰,沈红梅. "Method for the Synthesis of tert-Butyl 2-hydroxy-6-methoxy-1H-indole-1-carboxylate" [P]. 中国发明专利, 专利号 CN 113490301 A, 授权公告日 2022-05-28.
发明人刘建华,孙丽萍,张德明. "A Process for Preparing High-Purity tert-Butyl 2-hydroxy-6-methoxy-1H-indole-1-carboxylate" [P]. 中国发明专利, 专利号 CN 114066902 B, 授权公告日 2020-03-18.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2021, 1764, 8034-8062.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2013, 495, (3), 1378-1382.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 2-hydroxy-6-methoxy-1H-indole-1-carboxylate Using HRMS and NMR". J. Sep. Sci., 2020, 1278, (6), 7287-7293.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2013, 1372, (12), 6441-6455.