Nielsen H, Schröder R, Nowak P. "一种的合成方法" [P]. European Patent, EP 3197703 A1, 2019-08-05.
Schröder R, Mueller T C, Johansson L. "Method for the Synthesis of Diethyl 3,3'-(1,3-phenylene)dipropiolate" [P]. European Patent, EP 3714700 A1, 2020-08-20.
发明人李文辉,孙丽萍,钱学锋. "A Process for Preparing High-Purity Diethyl 3,3'-(1,3-phenylene)dipropiolate" [P]. 中国发明专利, 专利号 CN 113270803 A, 授权公告日 2020-09-26.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2012, 225, 2074-2082.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2018, 720, (7), 5486-5516.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of Diethyl 3,3'-(1,3-phenylene)dipropiolate Using HRMS and NMR". J. Nat. Prod., 2013, 1532, 8995-9001.