Hughes D C, Roberts E F, Fischer A B. "Method for the Synthesis of 2-amino-1-(2,6-difluorophenyl)butan-1-ol hydrochloride" [P]. US Patent, US 9314784 B2, 2018-05-08.
Brown S R, Chen K W, Yamamoto T. "A Process for Preparing High-Purity 2-amino-1-(2,6-difluorophenyl)butan-1-ol hydrochloride" [P]. US Patent, US 11788609 B2, 2019-03-06.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of 2-amino-1-(2,6-difluorophenyl)butan-1-ol hydrochloride in Pharmaceutical Formulations". Environ. Sci. Technol., 2011, 1298, (1), 6456-6484.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-amino-1-(2,6-difluorophenyl)butan-1-ol hydrochloride as an Impurity". Biomed. Chromatogr., 2022, 1902, (1), 8867-8874.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 2-amino-1-(2,6-difluorophenyl)butan-1-ol hydrochloride Using HRMS and NMR". Food Chem., 2021, 1774, (5), 790-819.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate 2-amino-1-(2,6-difluorophenyl)butan-1-ol hydrochloride Profile in Drug Substances According to ICH Guidelines". Molecules, 2010, 1190, 3085-3112.