Fischer A B, Brown S R, Davis P L. "Method for the Synthesis of 6-(dimethylamino)pyridine-2-carboxylic acid hydrochloride" [P]. US Patent, US 11111609 B2, 2022-09-06.
Yamamoto T, Patel M V, Anderson J P. "A Process for Preparing High-Purity 6-(dimethylamino)pyridine-2-carboxylic acid hydrochloride" [P]. US Patent, US 10608884 B2, 2020-06-24.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of 6-(dimethylamino)pyridine-2-carboxylic acid hydrochloride in Pharmaceutical Formulations". Anal. Chem., 2021, 1441, 4416-4421.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 6-(dimethylamino)pyridine-2-carboxylic acid hydrochloride as an Impurity". J. Pharm. Biomed. Anal., 2019, 1396, (1), 6896-6925.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 6-(dimethylamino)pyridine-2-carboxylic acid hydrochloride Using HRMS and NMR". Biomed. Chromatogr., 2021, 330, (10), 8304-8326.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate 6-(dimethylamino)pyridine-2-carboxylic acid hydrochloride Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2012, 561, (3), 3808-3812.