发明人郑宇鹏,林芳,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112233480 A, 授权公告日 2018-05-05.
Johnson M A, Klinger H, Stevens L M. "Method for the Synthesis of 1'-(tert-Butoxycarbonyl)-4-oxospiro[chroman-2,4'-piperidine]-7-carboxylic acid" [P]. US Patent, US 10083788 B2, 2017-01-15.
发明人罗永刚,唐晓军,徐明华. "A Process for Preparing High-Purity 1'-(tert-Butoxycarbonyl)-4-oxospiro[chroman-2,4'-piperidine]-7-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115313167 A, 授权公告日 2023-12-13.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2018, 1021, 7790-7801.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2024, 1751, 8784-8811.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 1'-(tert-Butoxycarbonyl)-4-oxospiro[chroman-2,4'-piperidine]-7-carboxylic acid Using HRMS and NMR". Anal. Chem., 2010, 1112, (6), 121-147.