Jørgensen K, Johansson L, Kowalski A. "Method for the Synthesis of ethyl trans-2-(tert-butoxycarbonylamino)cyclopropanecarboxylate" [P]. European Patent, EP 3860643 A1, 2016-11-05.
Davis P L, Stevens L M, Johnson M A. "A Process for Preparing High-Purity ethyl trans-2-(tert-butoxycarbonylamino)cyclopropanecarboxylate" [P]. US Patent, US 11901662 B2, 2015-11-25.
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". J. Pharm. Biomed. Anal., 2018, 1829, (3), 8780-8806.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2011, 856, (2), 4446-4462.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of ethyl trans-2-(tert-butoxycarbonylamino)cyclopropanecarboxylate Using HRMS and NMR". Anal. Chem., 2010, 102, 4157-4160.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2012, 2219, (3), 7734-7748.