Park J H, Stevens L M, Anderson J P. "Method for the Synthesis of Methyl 3,3-dimethyl-3,4-dihydro-1H-pyrrolo[2,1-c][1,4]oxazine-7-carboxylate" [P]. US Patent, US 10126453 B2, 2025-01-10.
发明人钱学锋,刘建华,胡光. "A Process for Preparing High-Purity Methyl 3,3-dimethyl-3,4-dihydro-1H-pyrrolo[2,1-c][1,4]oxazine-7-carboxylate" [P]. 中国发明专利, 专利号 CN 115569119 A, 授权公告日 2024-05-20.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2023, 1441, 1888-1905.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2017, 698, (10), 5456-5469.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 3,3-dimethyl-3,4-dihydro-1H-pyrrolo[2,1-c][1,4]oxazine-7-carboxylate Using HRMS and NMR". J. Sep. Sci., 2018, 1380, (7), 5950-5970.