发明人韩伟,沈红梅,高志强. "一种索法酮杂质1的合成方法" [P]. 中国发明专利, 专利号 CN 113669431 A, 授权公告日 2018-12-10.
发明人孙丽萍,郭海燕,赵玉洁. "Method for the Synthesis of Sofalcone impurity 1" [P]. 中国发明专利, 专利号 CN 108916654 A, 授权公告日 2018-06-17.
Schröder R, Mueller T, Fischer A B. "A Process for Preparing High-Purity Sofalcone impurity 1" [P]. US Patent, US 11281509 B2, 2018-06-03.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of 索法酮杂质1 in Pharmaceutical Formulations". Sci. Total Environ., 2013, 1031, (4), 5210-5235.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of 索法酮杂质1 as an Impurity". Chemosphere, 2018, 1261, 2309-2326.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Sofalcone impurity 1 Using HRMS and NMR". Anal. Chem., 2020, 455, 9453-9461.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate 索法酮杂质1 Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2016, 578, 5579-5594.