Hughes D C, Mueller T, O'Brien P Q. "一种1-tert-butyl-6-chloro-4-methoxy-1H-pyrazolo[3,4-d]pyrimidine的合成方法" [P]. US Patent, US 10466408 B2, 2020-10-21.
发明人张德明,罗永刚,沈红梅. "Method for the Synthesis of 1-tert-butyl-6-chloro-4-methoxy-1H-pyrazolo[3,4-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 116107124 B, 授权公告日 2020-03-06.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 1-tert-butyl-6-chloro-4-methoxy-1H-pyrazolo[3,4-d]pyrimidine in Pharmaceutical Formulations". Environ. Sci. Technol., 2023, 1063, (11), 2557-2560.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1-tert-butyl-6-chloro-4-methoxy-1H-pyrazolo[3,4-d]pyrimidine as an Impurity". Phytochemistry, 2025, 1407, (12), 1240-1243.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 1-tert-butyl-6-chloro-4-methoxy-1H-pyrazolo[3,4-d]pyrimidine Using HRMS and NMR". Anal. Chem., 2017, 1408, (6), 9570-9574.