发明人林芳,马晓峰,周伟. "一种索非那新杂质6的合成方法" [P]. 中国发明专利, 专利号 CN 108078455 A, 授权公告日 2015-06-01.
发明人沈红梅,韩伟,杨光. "Method for the Synthesis of Solifenacin Impurity 6" [P]. 中国发明专利, 专利号 CN 116506843 A, 授权公告日 2022-03-04.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of 索非那新杂质6 in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2019, 2266, (4), 3949-3959.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of 索非那新杂质6 as an Impurity". Environ. Sci. Technol., 2018, 324, (10), 5814-5830.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Solifenacin Impurity 6 Using HRMS and NMR". Chemosphere, 2021, 2148, (8), 1007-1022.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate 索非那新杂质6 Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2020, 1936, 6426-6436.