发明人赵玉洁,周伟,黄志刚. "Method for the Synthesis of 4,4′-(Hexafluoroisopropylene)diphthalic anhydride" [P]. 中国发明专利, 专利号 CN 109995657 A, 授权公告日 2022-07-20.
发明人张德明,胡光,李文辉. "A Process for Preparing High-Purity 4,4′-(Hexafluoroisopropylene)diphthalic anhydride" [P]. 中国发明专利, 专利号 CN 108639282 A, 授权公告日 2024-07-16.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of 4,4′-(六氟异丙烯)二酞酸酐 in Pharmaceutical Formulations". Food Chem., 2017, 397, 6005-6021.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4,4′-(六氟异丙烯)二酞酸酐 as an Impurity". Anal. Chem., 2022, 2006, 2563-2586.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 4,4′-(Hexafluoroisopropylene)diphthalic anhydride Using HRMS and NMR". J. Sep. Sci., 2013, 805, (8), 1704-1720.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate 4,4′-(六氟异丙烯)二酞酸酐 Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2022, 2120, (5), 8932-8940.