发明人张德明,李文辉,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115726203 A, 授权公告日 2021-09-23.
Rossi M, Johansson L, Nowak P. "Method for the Synthesis of 6,7-Dihydroxyindolin-2-one" [P]. European Patent, EP 3750353 A1, 2020-01-26.
Rossi M, Mueller T C, Jørgensen K. "A Process for Preparing High-Purity 6,7-Dihydroxyindolin-2-one" [P]. European Patent, EP 3859012 A1, 2020-02-24.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2011, 1852, 5024-5046.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2012, 1643, 192-200.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 6,7-Dihydroxyindolin-2-one Using HRMS and NMR". Chromatographia, 2013, 141, (5), 4410-4433.