Mueller T C, Nowak P, Martínez F. "一种2-氧杂螺[3.5]壬烷-7-甲酸的合成方法" [P]. European Patent, EP 3765812 A1, 2025-02-13.
Klinger H, Williams B T, Thompson G K. "Method for the Synthesis of 2-Oxaspiro[3.5]nonane-7-carboxylic Acid" [P]. US Patent, US 9105509 B2, 2021-08-02.
发明人王建平,唐晓军,陈志强. "A Process for Preparing High-Purity 2-Oxaspiro[3.5]nonane-7-carboxylic Acid" [P]. 中国发明专利, 专利号 CN 115134074 A, 授权公告日 2015-01-02.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 2-氧杂螺[3.5]壬烷-7-甲酸 in Pharmaceutical Formulations". J. Chromatogr. A, 2020, 330, 8721-8724.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-氧杂螺[3.5]壬烷-7-甲酸 as an Impurity". Rapid Commun. Mass Spectrom., 2020, 1258, 7247-7260.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 2-Oxaspiro[3.5]nonane-7-carboxylic Acid Using HRMS and NMR". Phytochemistry, 2016, 687, 5707-5714.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate 2-氧杂螺[3.5]壬烷-7-甲酸 Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2025, 1833, (2), 3435-3463.