Rossi M, Nielsen H, Martínez F. "Method for the Synthesis of (4R,5R)-tert-Butyl 4-cyano-2,2,5-trimethyloxazolidine-3-carboxylate" [P]. European Patent, EP 3451444 A1, 2021-06-27.
发明人林芳,高志强,王建平. "A Process for Preparing High-Purity (4R,5R)-tert-Butyl 4-cyano-2,2,5-trimethyloxazolidine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 112092793 B, 授权公告日 2022-03-04.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2025, 1117, 9248-9275.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2013, 2480, (1), 3553-3574.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of (4R,5R)-tert-Butyl 4-cyano-2,2,5-trimethyloxazolidine-3-carboxylate Using HRMS and NMR". Anal. Chem., 2015, 247, (10), 8798-8804.