Park J H, Fischer A B, Chen K W. "一种3-氧杂螺[5.5]十一烷-?9-?酮的合成方法" [P]. US Patent, US 10786672 B2, 2015-08-02.
Mueller T C, Sørensen M, Rossi M. "Method for the Synthesis of 3-oxaspiro[5.5]undecan-9-one" [P]. European Patent, EP 3331009 A1, 2024-05-18.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of 3-氧杂螺[5.5]十一烷-?9-?酮 in Pharmaceutical Formulations". Anal. Chem., 2012, 1257, (8), 9186-9212.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3-氧杂螺[5.5]十一烷-?9-?酮 as an Impurity". Anal. Chim. Acta, 2019, 581, (8), 6930-6935.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 3-oxaspiro[5.5]undecan-9-one Using HRMS and NMR". Chromatographia, 2012, 1366, 1717-1724.