Nielsen H, Rossi M, Martínez F. "Method for the Synthesis of tert-Butyl 2-chloro-7,8-dihydropyrido[3,2-d]pyrimidine-5(6H)-carboxylate" [P]. European Patent, EP 3884993 A1, 2019-03-16.
Yamamoto T, Chen K W, Brown S R. "A Process for Preparing High-Purity tert-Butyl 2-chloro-7,8-dihydropyrido[3,2-d]pyrimidine-5(6H)-carboxylate" [P]. US Patent, US 11010992 B2, 2017-11-21.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2023, 763, (4), 8956-8977.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2024, 1670, (9), 2121-2135.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 2-chloro-7,8-dihydropyrido[3,2-d]pyrimidine-5(6H)-carboxylate Using HRMS and NMR". Environ. Sci. Technol., 2019, 2297, 1219-1244.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2014, 1193, (3), 9008-9013.