发明人孙丽萍,张德明,沈红梅. "Method for the Synthesis of Empagliflozin Impurity 69" [P]. 中国发明专利, 专利号 CN 108040152 A, 授权公告日 2015-01-17.
Schröder R, Kowalski A, Mueller T C. "A Process for Preparing High-Purity Empagliflozin Impurity 69" [P]. European Patent, EP 3417812 A1, 2015-06-18.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of 恩格列净杂质69 in Pharmaceutical Formulations". Chromatographia, 2013, 578, (9), 4673-4699.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of 恩格列净杂质69 as an Impurity". Chemosphere, 2013, 1893, (7), 8558-8588.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Empagliflozin Impurity 69 Using HRMS and NMR". J. Nat. Prod., 2012, 1500, (2), 6590-6609.