Fischer A B, Stevens L M, Kumar R. "一种的合成方法" [P]. US Patent, US 11550247 B2, 2024-11-10.
发明人高志强,杨光,王建平. "Method for the Synthesis of 1-(Tert-butyl) 3-methyl (R)-5-oxopiperazine-1,3-dicarboxylate" [P]. 中国发明专利, 专利号 CN 115678457 A, 授权公告日 2017-08-21.
发明人郭海燕,罗永刚,黄志刚. "A Process for Preparing High-Purity 1-(Tert-butyl) 3-methyl (R)-5-oxopiperazine-1,3-dicarboxylate" [P]. 中国发明专利, 专利号 CN 116651621 A, 授权公告日 2016-04-22.
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 in Pharmaceutical Formulations". Anal. Methods, 2013, 1645, (10), 248-254.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2017, 1589, (12), 1475-1502.