Chen K W, Lee S K, Williams B T. "一种的合成方法" [P]. US Patent, US 9435086 B2, 2022-05-05.
发明人徐明华,马晓峰,郑宇鹏. "Method for the Synthesis of rel-(1R,2R)-2'-oxospiro[cyclopropane-2,3'-indoline]-1-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114732654 B, 授权公告日 2020-07-14.
Thompson G K, Chen K W, Brown S R. "A Process for Preparing High-Purity rel-(1R,2R)-2'-oxospiro[cyclopropane-2,3'-indoline]-1-carboxylic acid" [P]. US Patent, US 11139137 B2, 2016-09-22.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2012, 1484, (11), 6587-6608.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2013, 920, (9), 9694-9697.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of rel-(1R,2R)-2'-oxospiro[cyclopropane-2,3'-indoline]-1-carboxylic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2019, 706, (6), 5126-5131.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2013, 2089, (8), 4204-4226.