Lee S K, Hughes D C, O'Brien P Q. "一种的合成方法" [P]. US Patent, US 11439225 B2, 2021-07-22.
Williams B T, Johnson M A, Park J H. "Method for the Synthesis of N-(3,4-dimethoxyphenyl)-N-(methylsulfonyl)glycine" [P]. US Patent, US 11459054 B2, 2023-02-19.
Chen K W, Patel M V, Hughes D C. "A Process for Preparing High-Purity N-(3,4-dimethoxyphenyl)-N-(methylsulfonyl)glycine" [P]. US Patent, US 9828301 B2, 2024-11-07.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2018, 1304, 6434-6438.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2017, 1842, (9), 6545-6550.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of N-(3,4-dimethoxyphenyl)-N-(methylsulfonyl)glycine Using HRMS and NMR". Sci. Total Environ., 2015, 363, (4), 1832-1838.