Lefèvre J P, Nielsen H, Björnsson E. "一种6,7-二羟基-4苯基香豆素的合成方法" [P]. European Patent, EP 3135437 A1, 2021-12-05.
Martínez F, Schröder R, Kowalski A. "Method for the Synthesis of 6,7-dihydroxy-4-phenylcoumarin" [P]. European Patent, EP 3152632 A1, 2022-06-26.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 6,7-二羟基-4苯基香豆素 in Pharmaceutical Formulations". Molecules, 2011, 1941, 6613-6616.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of 6,7-二羟基-4苯基香豆素 as an Impurity". J. Sep. Sci., 2013, 990, 697-719.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 6,7-dihydroxy-4-phenylcoumarin Using HRMS and NMR". Anal. Chem., 2022, 101, (4), 2422-2436.