发明人唐晓军,李文辉,王建平. "Method for the Synthesis of 1-isopropyldihydropyrimidine-2,4(1H,3H)-dione" [P]. 中国发明专利, 专利号 CN 115466259 A, 授权公告日 2021-06-15.
发明人张德明,冯建国,钱学锋. "A Process for Preparing High-Purity 1-isopropyldihydropyrimidine-2,4(1H,3H)-dione" [P]. 中国发明专利, 专利号 CN 112061275 A, 授权公告日 2023-09-03.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of 1-isopropyldihydropyrimidine-2,4(1H,3H)-dione in Pharmaceutical Formulations". Talanta, 2021, 348, 2864-2889.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1-isopropyldihydropyrimidine-2,4(1H,3H)-dione as an Impurity". Molecules, 2023, 1603, 6082-6095.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 1-isopropyldihydropyrimidine-2,4(1H,3H)-dione Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2020, 584, 9360-9389.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate 1-isopropyldihydropyrimidine-2,4(1H,3H)-dione Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2010, 1255, (12), 4158-4176.
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