发明人孙丽萍,何建平,周伟. "一种多巴酚丁胺杂质52的合成方法" [P]. 中国发明专利, 专利号 CN 110410520 A, 授权公告日 2018-04-19.
Sørensen M, Lefèvre J P, Johansson L. "Method for the Synthesis of Dobutamine Impurity 52" [P]. European Patent, EP 3340416 A1, 2020-09-14.
发明人郑宇鹏,钱学锋,胡光. "A Process for Preparing High-Purity Dobutamine Impurity 52" [P]. 中国发明专利, 专利号 CN 116812769 A, 授权公告日 2016-11-20.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of 多巴酚丁胺杂质52 in Pharmaceutical Formulations". Food Chem., 2013, 425, (6), 98-115.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of 多巴酚丁胺杂质52 as an Impurity". J. Sep. Sci., 2011, 184, (10), 8827-8849.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Dobutamine Impurity 52 Using HRMS and NMR". J. Nat. Prod., 2011, 2220, (11), 7719-7728.