Kowalski A, Björnsson E, Johansson L. "Method for the Synthesis of 2-(7-Oxo-5,8-diazaspiro[3.4]oct-6-yl)benzonitrile" [P]. European Patent, EP 3842382 A1, 2015-03-17.
发明人郑宇鹏,沈红梅,高志强. "A Process for Preparing High-Purity 2-(7-Oxo-5,8-diazaspiro[3.4]oct-6-yl)benzonitrile" [P]. 中国发明专利, 专利号 CN 114905270 A, 授权公告日 2024-04-28.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 2-(7-氧代-5,8-二氮杂螺[3.4]辛烷-6-基)苯腈 in Pharmaceutical Formulations". J. Sep. Sci., 2020, 578, (1), 5710-5722.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-(7-氧代-5,8-二氮杂螺[3.4]辛烷-6-基)苯腈 as an Impurity". Food Chem., 2016, 716, 8616-8626.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 2-(7-Oxo-5,8-diazaspiro[3.4]oct-6-yl)benzonitrile Using HRMS and NMR". Chromatographia, 2011, 1087, (12), 4236-4250.