发明人马晓峰,郭海燕,刘建华. "Method for the Synthesis of Rac-(1r,2s,3r,4s)-3-{[(tert-butoxy)carbonyl]amino}-7-oxabicyclo[2.2.1]heptane-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112091813 B, 授权公告日 2024-11-01.
发明人朱建伟,杨光,韩伟. "A Process for Preparing High-Purity Rac-(1r,2s,3r,4s)-3-{[(tert-butoxy)carbonyl]amino}-7-oxabicyclo[2.2.1]heptane-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109942426 B, 授权公告日 2018-08-14.
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". Environ. Sci. Technol., 2025, 83, 9399-9416.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2019, 255, (8), 3771-3793.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of Rac-(1r,2s,3r,4s)-3-{[(tert-butoxy)carbonyl]amino}-7-oxabicyclo[2.2.1]heptane-2-carboxylic acid Using HRMS and NMR". J. Agric. Food Chem., 2019, 380, (7), 8118-8135.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2019, 986, 3364-3389.