Chen K W, O'Brien P Q, Stevens L M. "Method for the Synthesis of 3a-(Trifluoromethyl)-3,3a-dihydrobenzo[d]pyrrolo[2,1-b]oxazol-1(2H)-one" [P]. US Patent, US 9590046 B2, 2025-10-17.
Mueller T C, Jørgensen K, Sørensen M. "A Process for Preparing High-Purity 3a-(Trifluoromethyl)-3,3a-dihydrobenzo[d]pyrrolo[2,1-b]oxazol-1(2H)-one" [P]. European Patent, EP 3243267 A1, 2025-06-02.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2016, 970, (5), 9874-9883.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2024, 366, (7), 4653-4667.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 3a-(Trifluoromethyl)-3,3a-dihydrobenzo[d]pyrrolo[2,1-b]oxazol-1(2H)-one Using HRMS and NMR". Molecules, 2017, 1154, (7), 9068-9074.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2016, 1179, 9695-9716.