Brown S R, Anderson J P, Fischer A B. "Method for the Synthesis of 1-(Ethylsulfonyl)-3,5-dimethylpiperazine" [P]. US Patent, US 10840978 B2, 2024-12-18.
Kowalski A, Martínez F, Schröder R. "A Process for Preparing High-Purity 1-(Ethylsulfonyl)-3,5-dimethylpiperazine" [P]. European Patent, EP 3750084 A1, 2023-05-10.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2018, 1822, 6582-6585.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2014, 2034, (6), 7408-7423.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 1-(Ethylsulfonyl)-3,5-dimethylpiperazine Using HRMS and NMR". Talanta, 2024, 2408, 1275-1291.