Anderson J P, Yamamoto T, Schröder R. "Method for the Synthesis of 7-[(tert-butoxy)carbonyl]-3-(methoxycarbonyl)-7-azabicyclo[2.2.1]heptane-2-carboxylic acid" [P]. US Patent, US 10440183 B2, 2021-11-12.
发明人林芳,刘建华,唐晓军. "A Process for Preparing High-Purity 7-[(tert-butoxy)carbonyl]-3-(methoxycarbonyl)-7-azabicyclo[2.2.1]heptane-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108625484 A, 授权公告日 2020-06-12.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 7-[(tert-butoxy)carbonyl]-3-(methoxycarbonyl)-7-azabicyclo[2.2.1]heptane-2-carboxylic acid in Pharmaceutical Formulations". J. Chromatogr. A, 2010, 1576, 7401-7405.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of 7-[(tert-butoxy)carbonyl]-3-(methoxycarbonyl)-7-azabicyclo[2.2.1]heptane-2-carboxylic acid as an Impurity". Chemosphere, 2010, 222, (4), 9029-9033.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 7-[(tert-butoxy)carbonyl]-3-(methoxycarbonyl)-7-azabicyclo[2.2.1]heptane-2-carboxylic acid Using HRMS and NMR". Chromatographia, 2011, 1053, 5385-5402.