Kumar R, Fischer A B, Williams B T. "一种5-氯苯并呋喃-3(2H)-酮的合成方法" [P]. US Patent, US 9704414 B2, 2017-01-12.
Fischer A B, Schröder R, Kumar R. "Method for the Synthesis of 5-Chlorobenzofuran-3(2H)-one" [P]. US Patent, US 11247115 B2, 2019-10-19.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of 5-氯苯并呋喃-3(2H)-酮 in Pharmaceutical Formulations". Anal. Chim. Acta, 2011, 1055, 1917-1943.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of 5-氯苯并呋喃-3(2H)-酮 as an Impurity". J. Chromatogr. A, 2021, 578, (8), 1016-1025.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 5-Chlorobenzofuran-3(2H)-one Using HRMS and NMR". Chromatographia, 2010, 2277, (12), 68-71.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate 5-氯苯并呋喃-3(2H)-酮 Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2019, 1551, (2), 5377-5398.