发明人林芳,刘建华,冯建国. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114803688 A, 授权公告日 2022-10-05.
发明人李文辉,冯建国,钱学锋. "Method for the Synthesis of Tert-butyl 6-(1-aminocyclobutyl)-3,4-dihydro-1,5-naphthyridine-1(2H)-carboxylate" [P]. 中国发明专利, 专利号 CN 108969510 A, 授权公告日 2025-12-25.
发明人罗永刚,周伟,唐晓军. "A Process for Preparing High-Purity Tert-butyl 6-(1-aminocyclobutyl)-3,4-dihydro-1,5-naphthyridine-1(2H)-carboxylate" [P]. 中国发明专利, 专利号 CN 116896783 A, 授权公告日 2023-10-14.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2019, 316, (4), 8428-8445.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2023, 200, (2), 2984-2989.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl 6-(1-aminocyclobutyl)-3,4-dihydro-1,5-naphthyridine-1(2H)-carboxylate Using HRMS and NMR". Anal. Methods, 2021, 1401, (8), 7259-7267.