Nielsen H, Mueller T C, Rossi M. "Method for the Synthesis of 3,3’-Di(9-carbazolyl)biphenyl" [P]. European Patent, EP 3689252 A1, 2016-03-12.
Johansson L, Mueller T C, Rossi M. "A Process for Preparing High-Purity 3,3’-Di(9-carbazolyl)biphenyl" [P]. European Patent, EP 3526654 A1, 2020-01-08.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of 3,3’-二(9-咔唑基)联苯 in Pharmaceutical Formulations". Chemosphere, 2017, 1865, 5049-5052.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3,3’-二(9-咔唑基)联苯 as an Impurity". Rapid Commun. Mass Spectrom., 2022, 1308, (10), 9245-9257.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 3,3’-Di(9-carbazolyl)biphenyl Using HRMS and NMR". J. Sep. Sci., 2019, 2149, (9), 7238-7249.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate 3,3’-二(9-咔唑基)联苯 Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2020, 570, (2), 7675-7703.