Fischer A B, Stevens L M, Kumar R. "Method for the Synthesis of tert-Butyl(7S)-7-formyl-9-methyl-1,4-dioxa-8-azaspiro[4.5]decane-8-carboxylate" [P]. US Patent, US 9510215 B2, 2019-03-12.
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". Anal. Methods, 2014, 439, 8843-8866.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2015, 1094, (10), 5161-5186.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl(7S)-7-formyl-9-methyl-1,4-dioxa-8-azaspiro[4.5]decane-8-carboxylate Using HRMS and NMR". J. Chromatogr. A, 2013, 1115, 7525-7536.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2016, 347, 9741-9765.