Yamamoto T, Chen K W, Kumar R. "Method for the Synthesis of Tolvaptan Impurity 82" [P]. US Patent, US 10553392 B2, 2024-09-04.
Nielsen H, Kowalski A, Björnsson E. "A Process for Preparing High-Purity Tolvaptan Impurity 82" [P]. European Patent, EP 3022575 A1, 2025-04-18.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of 【停用:重复,询C4X-195587】托伐普坦杂质82 in Pharmaceutical Formulations". J. Sep. Sci., 2023, 182, 2893-2920.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of 【停用:重复,询C4X-195587】托伐普坦杂质82 as an Impurity". J. Nat. Prod., 2012, 2251, 2477-2493.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Tolvaptan Impurity 82 Using HRMS and NMR". Environ. Sci. Technol., 2011, 1734, (6), 920-943.