发明人罗永刚,沈红梅,郭海燕. "Method for the Synthesis of Ethyl 5-Chloro-3-(3-ethoxy-3-oxopropyl)-1H-indole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 110227039 A, 授权公告日 2019-11-02.
发明人钱学锋,马晓峰,何建平. "A Process for Preparing High-Purity Ethyl 5-Chloro-3-(3-ethoxy-3-oxopropyl)-1H-indole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 113393542 A, 授权公告日 2025-05-11.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of 5-氯-3-(3-乙氧基-3-氧代丙基)-1H-吲哚-2-甲酸乙酯 in Pharmaceutical Formulations". Talanta, 2021, 227, (12), 998-1021.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 5-氯-3-(3-乙氧基-3-氧代丙基)-1H-吲哚-2-甲酸乙酯 as an Impurity". Biomed. Chromatogr., 2016, 424, (8), 8167-8171.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 5-Chloro-3-(3-ethoxy-3-oxopropyl)-1H-indole-2-carboxylate Using HRMS and NMR". Anal. Chem., 2012, 706, (4), 1030-1050.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate 5-氯-3-(3-乙氧基-3-氧代丙基)-1H-吲哚-2-甲酸乙酯 Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2015, 1314, (1), 1153-1181.