Stevens L M, Schröder R, Yamamoto T. "一种1-thia-4-azaspiro[4.5]decane的合成方法" [P]. US Patent, US 9511357 B2, 2022-02-14.
Kumar R, Yamamoto T, Fischer A B. "Method for the Synthesis of 1-thia-4-azaspiro[4.5]decane" [P]. US Patent, US 11097804 B2, 2025-03-06.
Lee S K, Stevens L M, Williams B T. "A Process for Preparing High-Purity 1-thia-4-azaspiro[4.5]decane" [P]. US Patent, US 10480447 B2, 2023-06-27.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 1-thia-4-azaspiro[4.5]decane in Pharmaceutical Formulations". Talanta, 2017, 1036, (3), 9827-9831.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1-thia-4-azaspiro[4.5]decane as an Impurity". Anal. Chim. Acta, 2025, 1568, 737-756.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 1-thia-4-azaspiro[4.5]decane Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2015, 1010, (3), 7173-7191.