Nowak P, Nielsen H, Sørensen M. "一种methyl 1-oxa-2,8-diazaspiro[4.5]dec-2-ene-3-carboxylate hydrochloride的合成方法" [P]. European Patent, EP 3117669 A1, 2025-04-06.
发明人钱学锋,朱建伟,陈志强. "Method for the Synthesis of methyl 1-oxa-2,8-diazaspiro[4.5]dec-2-ene-3-carboxylate hydrochloride" [P]. 中国发明专利, 专利号 CN 113465986 B, 授权公告日 2025-08-12.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of methyl 1-oxa-2,8-diazaspiro[4.5]dec-2-ene-3-carboxylate hydrochloride in Pharmaceutical Formulations". Anal. Chim. Acta, 2016, 523, 173-179.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of methyl 1-oxa-2,8-diazaspiro[4.5]dec-2-ene-3-carboxylate hydrochloride as an Impurity". Environ. Sci. Technol., 2019, 2175, (5), 9676-9701.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of methyl 1-oxa-2,8-diazaspiro[4.5]dec-2-ene-3-carboxylate hydrochloride Using HRMS and NMR". Anal. Chem., 2015, 1173, 7691-7710.