发明人陈志强,黄志刚,罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108314837 A, 授权公告日 2017-06-02.
发明人徐明华,钱学锋,胡光. "Method for the Synthesis of Ethyl 2-(1,4-dioxaspiro[4.5]decan-8-ylidene)acetate" [P]. 中国发明专利, 专利号 CN 111362003 B, 授权公告日 2017-07-02.
Schröder R, Stevens L M, Park J H. "A Process for Preparing High-Purity Ethyl 2-(1,4-dioxaspiro[4.5]decan-8-ylidene)acetate" [P]. US Patent, US 11020804 B2, 2018-01-25.
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". Phytochemistry, 2015, 1936, 4568-4578.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2012, 935, (10), 7846-7875.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-(1,4-dioxaspiro[4.5]decan-8-ylidene)acetate Using HRMS and NMR". Anal. Chim. Acta, 2018, 1338, 2875-2900.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2021, 516, 4198-4206.