Schröder R, Lefèvre J P, Nielsen H. "一种5-降冰片烯-2-羧酸,内型和外型混合物,主要为内型的合成方法" [P]. European Patent, EP 3571027 A1, 2022-01-01.
Lee S K, O'Brien P Q, Williams B T. "Method for the Synthesis of 5-Norbornene-2-carboxylic acid, mixture of endo and exo forms, mainly endo form" [P]. US Patent, US 10856309 B2, 2020-11-04.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of 5-降冰片烯-2-羧酸,内型和外型混合物,主要为内型 in Pharmaceutical Formulations". Chromatographia, 2025, 468, 2806-2830.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of 5-降冰片烯-2-羧酸,内型和外型混合物,主要为内型 as an Impurity". Biomed. Chromatogr., 2013, 919, (3), 7754-7762.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 5-Norbornene-2-carboxylic acid, mixture of endo and exo forms, mainly endo form Using HRMS and NMR". J. Chromatogr. A, 2011, 829, (10), 2895-2907.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate 5-降冰片烯-2-羧酸,内型和外型混合物,主要为内型 Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2010, 678, (7), 8665-8674.