发明人张德明,徐明华,周伟. "Method for the Synthesis of tert-Butyl (R)-3-(3,4,5-trimethoxyphenyl)piperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 117714215 B, 授权公告日 2018-07-01.
发明人陈志强,沈红梅,钱学锋. "A Process for Preparing High-Purity tert-Butyl (R)-3-(3,4,5-trimethoxyphenyl)piperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 117338422 B, 授权公告日 2020-11-07.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2017, 1479, (10), 6752-6756.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2014, 2324, 4523-4534.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl (R)-3-(3,4,5-trimethoxyphenyl)piperazine-1-carboxylate Using HRMS and NMR". Phytochemistry, 2012, 1650, (4), 4229-4253.