Lefèvre J P, Jørgensen K, Kowalski A. "一种的合成方法" [P]. European Patent, EP 3175540 A1, 2015-07-03.
Johnson M A, Patel M V, Brown S R. "Method for the Synthesis of 6-Chloro-2-(chloromethyl)benzo[d]oxazole" [P]. US Patent, US 9090013 B2, 2020-01-10.
Patel M V, Williams B T, Schröder R. "A Process for Preparing High-Purity 6-Chloro-2-(chloromethyl)benzo[d]oxazole" [P]. US Patent, US 11093486 B2, 2022-12-22.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2021, 1680, 5273-5297.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2025, 255, 3177-3199.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 6-Chloro-2-(chloromethyl)benzo[d]oxazole Using HRMS and NMR". J. Nat. Prod., 2011, 584, 7675-7684.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2016, 1334, (7), 3473-3476.