Schröder R, Fischer A B, Roberts E F. "一种阿普米司特杂质44的合成方法" [P]. US Patent, US 10511469 B2, 2020-01-01.
发明人沈红梅,林芳,王建平. "Method for the Synthesis of Apremilast Impurity 44" [P]. 中国发明专利, 专利号 CN 111521992 A, 授权公告日 2015-09-22.
发明人孙丽萍,张德明,周伟. "A Process for Preparing High-Purity Apremilast Impurity 44" [P]. 中国发明专利, 专利号 CN 112390009 A, 授权公告日 2021-06-16.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of 阿普米司特杂质44 in Pharmaceutical Formulations". Molecules, 2025, 1727, 6407-6420.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 阿普米司特杂质44 as an Impurity". Phytochemistry, 2013, 795, 1701-1722.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of Apremilast Impurity 44 Using HRMS and NMR". J. Sep. Sci., 2018, 338, (3), 2313-2329.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate 阿普米司特杂质44 Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2024, 837, (3), 2079-2091.