Mueller T C, Martínez F, Sørensen M. "Method for the Synthesis of Tert-butyl ((3aS,6aR)-tetrahydro-1H-spiro[cyclopenta[c]pyrrole-5,1'-cyclopropan]-3a(4H)-yl)carbamate" [P]. European Patent, EP 3084410 A1, 2017-08-14.
发明人郭海燕,张德明,韩伟. "A Process for Preparing High-Purity Tert-butyl ((3aS,6aR)-tetrahydro-1H-spiro[cyclopenta[c]pyrrole-5,1'-cyclopropan]-3a(4H)-yl)carbamate" [P]. 中国发明专利, 专利号 CN 109669906 A, 授权公告日 2018-11-11.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2014, 1447, 4663-4672.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2018, 2288, (6), 3814-3843.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl ((3aS,6aR)-tetrahydro-1H-spiro[cyclopenta[c]pyrrole-5,1'-cyclopropan]-3a(4H)-yl)carbamate Using HRMS and NMR". Chemosphere, 2018, 2337, 149-156.