Williams B T, Mueller T, Hughes D C. "Method for the Synthesis of tert-Butyl (4aR,7aR)-hexahydropyrrolo[3,4-b][1,4]oxazine-4(4aH)-carboxylate" [P]. US Patent, US 11138154 B2, 2025-02-09.
发明人沈红梅,黄志刚,陈志强. "A Process for Preparing High-Purity tert-Butyl (4aR,7aR)-hexahydropyrrolo[3,4-b][1,4]oxazine-4(4aH)-carboxylate" [P]. 中国发明专利, 专利号 CN 109050572 B, 授权公告日 2020-07-08.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2010, 1231, (7), 6645-6654.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2025, 709, 5055-5078.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl (4aR,7aR)-hexahydropyrrolo[3,4-b][1,4]oxazine-4(4aH)-carboxylate Using HRMS and NMR". Biomed. Chromatogr., 2017, 267, 9406-9435.