发明人张德明,陈志强,李文辉. "一种887686-65-9的合成方法" [P]. 中国发明专利, 专利号 CN 111979886 A, 授权公告日 2024-04-06.
发明人陈志强,郭海燕,沈红梅. "Method for the Synthesis of 2,4-Dimethyl-6-piperazin-1-yl-pyrimidine" [P]. 中国发明专利, 专利号 CN 116601604 B, 授权公告日 2025-09-06.
发明人何建平,钱学锋,黄志刚. "A Process for Preparing High-Purity 2,4-Dimethyl-6-piperazin-1-yl-pyrimidine" [P]. 中国发明专利, 专利号 CN 110776466 A, 授权公告日 2019-02-11.
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 887686-65-9 in Pharmaceutical Formulations". Environ. Sci. Technol., 2022, 1977, (8), 1222-1245.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 887686-65-9 as an Impurity". Chromatographia, 2025, 1043, (7), 3454-3467.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 2,4-Dimethyl-6-piperazin-1-yl-pyrimidine Using HRMS and NMR". Anal. Chim. Acta, 2020, 2197, (12), 4495-4503.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate 887686-65-9 Profile in Drug Substances According to ICH Guidelines". Food Chem., 2015, 2075, (9), 2142-2149.