Sørensen M, Kowalski A, Mueller T C. "一种4-氯-5,7-二氟喹唑啉的合成方法" [P]. European Patent, EP 3905276 A1, 2016-06-14.
Rossi M, Schröder R, Martínez F. "Method for the Synthesis of 4-Chloro-5,7-difluoroquinazoline" [P]. European Patent, EP 3197562 A1, 2016-05-17.
Lefèvre J P, Schröder R, Martínez F. "A Process for Preparing High-Purity 4-Chloro-5,7-difluoroquinazoline" [P]. European Patent, EP 3700044 A1, 2018-12-09.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 4-氯-5,7-二氟喹唑啉 in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2020, 1003, (6), 3517-3544.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-氯-5,7-二氟喹唑啉 as an Impurity". Chemosphere, 2016, 2313, (7), 2808-2831.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-5,7-difluoroquinazoline Using HRMS and NMR". J. Pharm. Biomed. Anal., 2020, 958, 6287-6290.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate 4-氯-5,7-二氟喹唑啉 Profile in Drug Substances According to ICH Guidelines". Talanta, 2019, 2101, 1129-1156.