Chen K W, Klinger H, Fischer A B. "Method for the Synthesis of 5-(2-Hydroxy-5-methoxybenzoyl)-2-oxo-1-(thiazol-2-yl)-1,2-dihydropyridine-3-carbonitrile" [P]. US Patent, US 9334259 B2, 2017-03-23.
Patel M V, Johnson M A, O'Brien P Q. "A Process for Preparing High-Purity 5-(2-Hydroxy-5-methoxybenzoyl)-2-oxo-1-(thiazol-2-yl)-1,2-dihydropyridine-3-carbonitrile" [P]. US Patent, US 11900728 B2, 2024-07-24.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2022, 2223, 4545-4564.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2022, 560, 2421-2449.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 5-(2-Hydroxy-5-methoxybenzoyl)-2-oxo-1-(thiazol-2-yl)-1,2-dihydropyridine-3-carbonitrile Using HRMS and NMR". Chromatographia, 2016, 739, (10), 5522-5545.