发明人唐晓军,黄志刚,高志强. "Method for the Synthesis of Tert-butyl (S)-methyl(3-sulfamoyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazin-6-yl)carbamate" [P]. 中国发明专利, 专利号 CN 115856737 A, 授权公告日 2018-05-07.
发明人林芳,韩伟,胡光. "A Process for Preparing High-Purity Tert-butyl (S)-methyl(3-sulfamoyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazin-6-yl)carbamate" [P]. 中国发明专利, 专利号 CN 117305645 A, 授权公告日 2024-08-19.
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, 2017, 1231, (12), 6766-6793.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2014, 1445, (4), 3019-3039.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl (S)-methyl(3-sulfamoyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazin-6-yl)carbamate Using HRMS and NMR". Phytochemistry, 2014, 2157, (4), 4729-4739.