Sørensen M, Mueller T C, Schröder R. "一种的合成方法" [P]. European Patent, EP 3115588 A1, 2019-05-03.
Brown S R, Roberts E F, Patel M V. "Method for the Synthesis of (E)-4-(Azetidin-1-yl)but-2-enoic acid hydrochloride" [P]. US Patent, US 11347439 B2, 2016-05-03.
Williams B T, Anderson J P, Lee S K. "A Process for Preparing High-Purity (E)-4-(Azetidin-1-yl)but-2-enoic acid hydrochloride" [P]. US Patent, US 10383854 B2, 2018-01-18.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2020, 1056, (7), 1998-2001.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2015, 1886, (9), 1544-1553.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of (E)-4-(Azetidin-1-yl)but-2-enoic acid hydrochloride Using HRMS and NMR". Anal. Chem., 2024, 445, 5275-5294.