发明人赵玉洁,马晓峰,王建平. "Method for the Synthesis of (S)-tert-Butyl (6,8-difluoro-5-methyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-3-yl)carbamate" [P]. 中国发明专利, 专利号 CN 111704381 A, 授权公告日 2024-05-20.
发明人徐明华,陈志强,王建平. "A Process for Preparing High-Purity (S)-tert-Butyl (6,8-difluoro-5-methyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-3-yl)carbamate" [P]. 中国发明专利, 专利号 CN 108254498 A, 授权公告日 2017-12-20.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2023, 1601, 7504-7533.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2025, 1414, (5), 1128-1141.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of (S)-tert-Butyl (6,8-difluoro-5-methyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-3-yl)carbamate Using HRMS and NMR". Anal. Methods, 2012, 1004, 5555-5582.