发明人张德明,罗永刚,沈红梅. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113232801 A, 授权公告日 2016-07-13.
发明人沈红梅,韩伟,朱建伟. "Method for the Synthesis of (3AS,8aR)-2-(pyrazin-2-yl)-3a,8a-dihydro-8H-indeno[1,2-d]oxazole" [P]. 中国发明专利, 专利号 CN 110539437 B, 授权公告日 2021-02-07.
发明人杨光,胡光,徐明华. "A Process for Preparing High-Purity (3AS,8aR)-2-(pyrazin-2-yl)-3a,8a-dihydro-8H-indeno[1,2-d]oxazole" [P]. 中国发明专利, 专利号 CN 109739090 A, 授权公告日 2022-08-27.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2013, 462, 7283-7305.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2024, 2037, (12), 5112-5117.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of (3AS,8aR)-2-(pyrazin-2-yl)-3a,8a-dihydro-8H-indeno[1,2-d]oxazole Using HRMS and NMR". Biomed. Chromatogr., 2011, 1728, 8274-8288.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2015, 2326, (7), 4755-4781.