发明人韩伟,郭海燕,张德明. "Method for the Synthesis of (1R,4S)-4-amino-3,3-difluorocyclopentane-1-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110778988 A, 授权公告日 2016-03-06.
Anderson J P, Mueller T, Williams B T. "A Process for Preparing High-Purity (1R,4S)-4-amino-3,3-difluorocyclopentane-1-carboxylic acid" [P]. US Patent, US 10585112 B2, 2022-08-02.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2014, 1856, (7), 8488-8512.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2019, 192, (12), 566-574.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of (1R,4S)-4-amino-3,3-difluorocyclopentane-1-carboxylic acid Using HRMS and NMR". Biomed. Chromatogr., 2011, 2311, (10), 5526-5548.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2012, 1707, 3259-3287.