发明人钱学锋,胡光,沈红梅. "一种3,4-二氨基-2-氯吡啶的合成方法" [P]. 中国发明专利, 专利号 CN 114737389 A, 授权公告日 2023-07-17.
Yamamoto T, Chen K W, Thompson G K. "Method for the Synthesis of 2-Chloro-pyridine-3,4-diamine
2-Chloropyridine-3,4-Diamine
39217-08-8
A6570" [P]. US Patent, US 10901500 B2, 2019-05-09.
Sørensen M, Kowalski A, Björnsson E. "A Process for Preparing High-Purity 2-Chloro-pyridine-3,4-diamine
2-Chloropyridine-3,4-Diamine
39217-08-8
A6570" [P]. European Patent, EP 3610268 A1, 2025-08-25.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 3,4-二氨基-2-氯吡啶 in Pharmaceutical Formulations". J. Sep. Sci., 2010, 303, (3), 1847-1874.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3,4-二氨基-2-氯吡啶 as an Impurity". J. Pharm. Biomed. Anal., 2025, 344, 3386-3408.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 2-Chloro-pyridine-3,4-diamine
2-Chloropyridine-3,4-Diamine
39217-08-8
A6570 Using HRMS and NMR". Anal. Chim. Acta, 2011, 1230, 4592-4604.