Johnson M A, Davis P L, Roberts E F. "一种3-methyl-1,2-benzoxazol-6-amine hydrochloride的合成方法" [P]. US Patent, US 9588503 B2, 2020-05-13.
Brown S R, Stevens L M, Anderson J P. "Method for the Synthesis of 3-methyl-1,2-benzoxazol-6-amine hydrochloride" [P]. US Patent, US 11514139 B2, 2021-02-18.
Mueller T, Park J H, Hughes D C. "A Process for Preparing High-Purity 3-methyl-1,2-benzoxazol-6-amine hydrochloride" [P]. US Patent, US 9382706 B2, 2021-04-01.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of 3-methyl-1,2-benzoxazol-6-amine hydrochloride in Pharmaceutical Formulations". Talanta, 2016, 1655, (6), 6803-6831.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3-methyl-1,2-benzoxazol-6-amine hydrochloride as an Impurity". Chemosphere, 2015, 1646, 544-574.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 3-methyl-1,2-benzoxazol-6-amine hydrochloride Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2022, 533, (7), 1304-1310.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate 3-methyl-1,2-benzoxazol-6-amine hydrochloride Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2020, 2429, 4448-4457.