Anderson J P, Stevens L M, Kumar R. "一种的合成方法" [P]. US Patent, US 11722424 B2, 2024-03-24.
O'Brien P Q, Brown S R, Fischer A B. "Method for the Synthesis of (R)-2-(4-Amino-6-nitrochroman-4-yl)-2,2-difluoroethanol" [P]. US Patent, US 10716299 B2, 2016-09-27.
发明人钱学锋,陈志强,罗永刚. "A Process for Preparing High-Purity (R)-2-(4-Amino-6-nitrochroman-4-yl)-2,2-difluoroethanol" [P]. 中国发明专利, 专利号 CN 110451840 A, 授权公告日 2023-01-13.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2010, 1795, (4), 7075-7104.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2010, 1892, 9701-9709.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of (R)-2-(4-Amino-6-nitrochroman-4-yl)-2,2-difluoroethanol Using HRMS and NMR". J. Agric. Food Chem., 2018, 2442, (5), 6852-6859.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2024, 2246, 5412-5417.