Björnsson E, Johansson L, Nowak P. "Method for the Synthesis of tert-Butyl 1-(hydroxymethyl)-7-azabicyclo[2.2.1]heptane-7-carboxylate" [P]. European Patent, EP 3341718 A1, 2025-06-23.
Roberts E F, Williams B T, Chen K W. "A Process for Preparing High-Purity tert-Butyl 1-(hydroxymethyl)-7-azabicyclo[2.2.1]heptane-7-carboxylate" [P]. US Patent, US 11874817 B2, 2016-03-06.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2013, 606, (2), 4112-4124.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2021, 1290, 8202-8216.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 1-(hydroxymethyl)-7-azabicyclo[2.2.1]heptane-7-carboxylate Using HRMS and NMR". Biomed. Chromatogr., 2021, 907, (8), 9348-9372.