Johansson L, Lefèvre J P, Martínez F. "一种的合成方法" [P]. European Patent, EP 3271230 A1, 2016-06-09.
发明人周伟,胡光,郭海燕. "Method for the Synthesis of Ethyl 4-methyl-1-oxaspiro[2.5]octane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 110084470 A, 授权公告日 2022-08-07.
发明人刘建华,朱建伟,高志强. "A Process for Preparing High-Purity Ethyl 4-methyl-1-oxaspiro[2.5]octane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 112492690 A, 授权公告日 2023-10-12.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2014, 448, 216-239.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2020, 1108, 1599-1626.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-methyl-1-oxaspiro[2.5]octane-2-carboxylate Using HRMS and NMR". Chemosphere, 2023, 780, (6), 9073-9101.