Hughes D C, Stevens L M, Johnson M A. "一种5-amino-9-oxa-1-azaspiro[5.5]undecan-2-one hydrochloride的合成方法" [P]. US Patent, US 9331196 B2, 2017-06-16.
发明人冯建国,徐明华,郭海燕. "Method for the Synthesis of 5-amino-9-oxa-1-azaspiro[5.5]undecan-2-one hydrochloride" [P]. 中国发明专利, 专利号 CN 113450532 B, 授权公告日 2020-12-16.
Schröder R, Martínez F, Johansson L. "A Process for Preparing High-Purity 5-amino-9-oxa-1-azaspiro[5.5]undecan-2-one hydrochloride" [P]. European Patent, EP 3209150 A1, 2016-11-04.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of 5-amino-9-oxa-1-azaspiro[5.5]undecan-2-one hydrochloride in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2019, 1991, (2), 9822-9830.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of 5-amino-9-oxa-1-azaspiro[5.5]undecan-2-one hydrochloride as an Impurity". J. Sep. Sci., 2014, 1337, (5), 4003-4019.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 5-amino-9-oxa-1-azaspiro[5.5]undecan-2-one hydrochloride Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2013, 2184, (10), 3735-3754.