Williams B T, Klinger H, Schröder R. "一种的合成方法" [P]. US Patent, US 10420262 B2, 2020-06-07.
Kumar R, Schröder R, Johnson M A. "Method for the Synthesis of (S)-6,7-Difluorochroman-4-amine" [P]. US Patent, US 11723305 B2, 2021-02-22.
发明人陈志强,高志强,刘建华. "A Process for Preparing High-Purity (S)-6,7-Difluorochroman-4-amine" [P]. 中国发明专利, 专利号 CN 113631087 A, 授权公告日 2018-05-12.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2022, 553, 1996-2004.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2017, 2274, 8724-8738.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of (S)-6,7-Difluorochroman-4-amine Using HRMS and NMR". Biomed. Chromatogr., 2022, 1679, 7773-7798.