发明人高志强,赵玉洁,陈志强. "Method for the Synthesis of 4-oxo-3,4-dihydro-2H-1-benzopyran-6-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 116048371 A, 授权公告日 2022-06-03.
Yamamoto T, Williams B T, Hughes D C. "A Process for Preparing High-Purity 4-oxo-3,4-dihydro-2H-1-benzopyran-6-sulfonyl chloride" [P]. US Patent, US 11418153 B2, 2023-02-14.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of 4-oxo-3,4-dihydro-2H-1-benzopyran-6-sulfonyl chloride in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2014, 1511, (6), 5410-5435.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-oxo-3,4-dihydro-2H-1-benzopyran-6-sulfonyl chloride as an Impurity". Phytochemistry, 2016, 1820, (10), 2128-2146.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 4-oxo-3,4-dihydro-2H-1-benzopyran-6-sulfonyl chloride Using HRMS and NMR". Sci. Total Environ., 2024, 1009, 7205-7223.