发明人赵玉洁,冯建国,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114109100 A, 授权公告日 2025-11-25.
发明人韩伟,张德明,沈红梅. "Method for the Synthesis of 2-(Diphenylmethyl)-5-oxa-2,8-diazaspiro[3.5]nonan-7-one" [P]. 中国发明专利, 专利号 CN 108369874 A, 授权公告日 2022-11-23.
Hughes D C, Chen K W, Yamamoto T. "A Process for Preparing High-Purity 2-(Diphenylmethyl)-5-oxa-2,8-diazaspiro[3.5]nonan-7-one" [P]. US Patent, US 11545047 B2, 2015-07-01.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2018, 2161, (5), 291-309.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2016, 479, (3), 9739-9750.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Diphenylmethyl)-5-oxa-2,8-diazaspiro[3.5]nonan-7-one Using HRMS and NMR". Phytochemistry, 2011, 557, (11), 5880-5909.