Fischer A B, Williams B T, Thompson G K. "Method for the Synthesis of 4-Cyclopentylmorpholine-3-carboxylic acid" [P]. US Patent, US 9932022 B2, 2021-09-12.
发明人高志强,韩伟,沈红梅. "A Process for Preparing High-Purity 4-Cyclopentylmorpholine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114870151 B, 授权公告日 2022-12-11.
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". J. Chromatogr. A, 2020, 731, (1), 2223-2240.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2013, 1630, (8), 7001-7014.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 4-Cyclopentylmorpholine-3-carboxylic acid Using HRMS and NMR". J. Sep. Sci., 2022, 901, (12), 719-723.