Fischer A B, Roberts E F, Lee S K. "Method for the Synthesis of 7-(Diethylamino)coumarin-3-carbonyl Azide" [P]. US Patent, US 10528306 B2, 2017-08-15.
Stevens L M, Lee S K, Johnson M A. "A Process for Preparing High-Purity 7-(Diethylamino)coumarin-3-carbonyl Azide" [P]. US Patent, US 11006390 B2, 2022-09-02.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2019, 1821, (9), 3296-3321.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2022, 1232, (7), 4313-4331.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 7-(Diethylamino)coumarin-3-carbonyl Azide Using HRMS and NMR". J. Sep. Sci., 2015, 1852, 9010-9021.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2012, 120, 2778-2795.