发明人郭海燕,韩伟,冯建国. "Method for the Synthesis of 6-(Difluoromethylene)-2-azabicyclo[2.2.1]Heptan-3-one" [P]. 中国发明专利, 专利号 CN 108792699 B, 授权公告日 2024-03-23.
发明人冯建国,陈志强,胡光. "A Process for Preparing High-Purity 6-(Difluoromethylene)-2-azabicyclo[2.2.1]Heptan-3-one" [P]. 中国发明专利, 专利号 CN 113871017 B, 授权公告日 2024-02-04.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2012, 1409, 2335-2363.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2017, 134, 3915-3934.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 6-(Difluoromethylene)-2-azabicyclo[2.2.1]Heptan-3-one Using HRMS and NMR". J. Chromatogr. A, 2015, 1809, 5672-5685.