Stevens L M, O'Brien P Q, Fischer A B. "Method for the Synthesis of tert-Butyl 3-hydroxy-3-(m-tolyl)azetidine-1-carboxylate" [P]. US Patent, US 11475834 B2, 2022-03-02.
发明人沈红梅,韩伟,唐晓军. "A Process for Preparing High-Purity tert-Butyl 3-hydroxy-3-(m-tolyl)azetidine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 110620346 B, 授权公告日 2019-08-13.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2018, 937, 6616-6636.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2019, 1304, 486-492.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 3-hydroxy-3-(m-tolyl)azetidine-1-carboxylate Using HRMS and NMR". Environ. Sci. Technol., 2016, 1756, (5), 62-80.