Chen K W, Hughes D C, Yamamoto T. "一种的合成方法" [P]. US Patent, US 11224646 B2, 2019-08-14.
Schröder R, Anderson J P, Hughes D C. "Method for the Synthesis of 8-Methyl-3-oxa-1,8-diazaspiro[4.5]dec-1-en-2-amine" [P]. US Patent, US 11139303 B2, 2024-10-10.
Hughes D C, Roberts E F, Thompson G K. "A Process for Preparing High-Purity 8-Methyl-3-oxa-1,8-diazaspiro[4.5]dec-1-en-2-amine" [P]. US Patent, US 9482373 B2, 2023-12-02.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2012, 1774, 6033-6056.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2013, 1563, (1), 3834-3864.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 8-Methyl-3-oxa-1,8-diazaspiro[4.5]dec-1-en-2-amine Using HRMS and NMR". Molecules, 2015, 2447, (11), 9889-9919.