Schröder R, Davis P L, Park J H. "Method for the Synthesis of 7-Methoxy-2,3-dihydro-1-benzofuran-2-carboxylic acid" [P]. US Patent, US 11686814 B2, 2019-12-28.
发明人马晓峰,张德明,冯建国. "A Process for Preparing High-Purity 7-Methoxy-2,3-dihydro-1-benzofuran-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111360390 A, 授权公告日 2024-01-28.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2014, 661, 2013-2030.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2022, 1209, (1), 2732-2738.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 7-Methoxy-2,3-dihydro-1-benzofuran-2-carboxylic acid Using HRMS and NMR". Phytochemistry, 2017, 1457, 4536-4551.