Mueller T C, Schröder R, Jørgensen K. "一种的合成方法" [P]. European Patent, EP 3042300 A1, 2024-10-17.
发明人周伟,何建平,王建平. "Method for the Synthesis of 4-Methylbenzenesulfonic acid;3-oxa-6-azabicyclo[3.1.1]heptane" [P]. 中国发明专利, 专利号 CN 109513965 B, 授权公告日 2025-09-21.
发明人钱学锋,陈志强,马晓峰. "A Process for Preparing High-Purity 4-Methylbenzenesulfonic acid;3-oxa-6-azabicyclo[3.1.1]heptane" [P]. 中国发明专利, 专利号 CN 113411422 B, 授权公告日 2017-05-15.
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". Biomed. Chromatogr., 2010, 2009, 98-105.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2012, 1655, (1), 8683-8696.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 4-Methylbenzenesulfonic acid;3-oxa-6-azabicyclo[3.1.1]heptane Using HRMS and NMR". J. Nat. Prod., 2016, 453, (12), 8824-8853.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2019, 1567, (9), 6914-6929.