Sørensen M, Johansson L, Kowalski A. "一种的合成方法" [P]. European Patent, EP 3446027 A1, 2018-05-18.
Patel M V, Hughes D C, Schröder R. "Method for the Synthesis of (6-Hydroxy-2,3-dihydrobenzofuran-3-yl)acetic Acid Methyl Ester" [P]. US Patent, US 10943132 B2, 2023-09-07.
发明人刘建华,冯建国,张德明. "A Process for Preparing High-Purity (6-Hydroxy-2,3-dihydrobenzofuran-3-yl)acetic Acid Methyl Ester" [P]. 中国发明专利, 专利号 CN 111573969 A, 授权公告日 2025-10-18.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2018, 1761, 3631-3655.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2024, 1284, 9102-9116.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of (6-Hydroxy-2,3-dihydrobenzofuran-3-yl)acetic Acid Methyl Ester Using HRMS and NMR". J. Pharm. Biomed. Anal., 2019, 1897, (12), 6602-6627.