发明人钱学锋,周伟,郑宇鹏. "Method for the Synthesis of 1-Chloro-6-methyl-1,2-dihydro-thieno[3,2-d]pyrimidine
319442-16-5
4-chloro-2-methylthieno[3,2-d]pyrimidine
A5755" [P]. 中国发明专利, 专利号 CN 111375405 B, 授权公告日 2016-12-11.
Chen K W, Thompson G K, Hughes D C. "A Process for Preparing High-Purity 1-Chloro-6-methyl-1,2-dihydro-thieno[3,2-d]pyrimidine
319442-16-5
4-chloro-2-methylthieno[3,2-d]pyrimidine
A5755" [P]. US Patent, US 9260749 B2, 2020-05-06.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of 4-Chloro-2-methylthieno[3,2-d]pyrimidine in Pharmaceutical Formulations". Chemosphere, 2024, 284, 4473-4496.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-Chloro-2-methylthieno[3,2-d]pyrimidine as an Impurity". Talanta, 2025, 124, 1419-1446.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 1-Chloro-6-methyl-1,2-dihydro-thieno[3,2-d]pyrimidine
319442-16-5
4-chloro-2-methylthieno[3,2-d]pyrimidine
A5755 Using HRMS and NMR". J. Chromatogr. A, 2014, 1899, (10), 6182-6201.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate 4-Chloro-2-methylthieno[3,2-d]pyrimidine Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2013, 101, (8), 165-185.