发明人何建平,马晓峰,郭海燕. "一种多巴胺杂质89(对映异构体)的合成方法" [P]. 中国发明专利, 专利号 CN 109625045 A, 授权公告日 2022-04-18.
Yamamoto T, Klinger H, Chen K W. "Method for the Synthesis of Dopamine Impurity 89 (and Enantiomer)" [P]. US Patent, US 10802725 B2, 2025-04-15.
Nielsen H, Kowalski A, Sørensen M. "A Process for Preparing High-Purity Dopamine Impurity 89 (and Enantiomer)" [P]. European Patent, EP 3757713 A1, 2024-03-01.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of 多巴胺杂质89(对映异构体) in Pharmaceutical Formulations". Anal. Chem., 2025, 1133, 9791-9816.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of 多巴胺杂质89(对映异构体) as an Impurity". Chemosphere, 2021, 299, (10), 7840-7852.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of Dopamine Impurity 89 (and Enantiomer) Using HRMS and NMR". Food Chem., 2014, 1630, (3), 2013-2038.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate 多巴胺杂质89(对映异构体) Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2014, 1690, (12), 2110-2138.