发明人韩伟,何建平,胡光. "Method for the Synthesis of ethyl 7-(2-furyl)pyrazolo[1,5-a]pyrimidine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 112779582 A, 授权公告日 2023-06-23.
Brown S R, Williams B T, Kumar R. "A Process for Preparing High-Purity ethyl 7-(2-furyl)pyrazolo[1,5-a]pyrimidine-3-carboxylate" [P]. US Patent, US 10016948 B2, 2017-09-06.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of ethyl 7-(2-furyl)pyrazolo[1,5-a]pyrimidine-3-carboxylate in Pharmaceutical Formulations". Anal. Chim. Acta, 2017, 2306, 4927-4938.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of ethyl 7-(2-furyl)pyrazolo[1,5-a]pyrimidine-3-carboxylate as an Impurity". Rapid Commun. Mass Spectrom., 2023, 2277, (9), 9644-9647.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of ethyl 7-(2-furyl)pyrazolo[1,5-a]pyrimidine-3-carboxylate Using HRMS and NMR". J. Chromatogr. A, 2021, 2111, 8255-8285.