Jørgensen K, Johansson L, Mueller T C. "Method for the Synthesis of Ethyl 7-bromo-3-(3-ethoxy-3-oxopropyl)-1H-indole-2-carboxylate, 97%" [P]. European Patent, EP 3440665 A1, 2022-06-22.
发明人黄志刚,胡光,何建平. "A Process for Preparing High-Purity Ethyl 7-bromo-3-(3-ethoxy-3-oxopropyl)-1H-indole-2-carboxylate, 97%" [P]. 中国发明专利, 专利号 CN 109695125 A, 授权公告日 2024-03-27.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2011, 2367, (2), 8173-8193.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2012, 119, (7), 4162-4182.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 7-bromo-3-(3-ethoxy-3-oxopropyl)-1H-indole-2-carboxylate, 97% Using HRMS and NMR". Environ. Sci. Technol., 2020, 1270, 6307-6320.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2021, 978, (3), 3980-4008.