Stevens L M, Klinger H, Mueller T. "一种的合成方法" [P]. US Patent, US 11444704 B2, 2016-04-20.
Lefèvre J P, Martínez F, Jørgensen K. "Method for the Synthesis of 2-{[(tert-butoxy)carbonyl]amino}-2-(2-hydroxyphenyl)acetic acid" [P]. European Patent, EP 3385801 A1, 2015-07-09.
Björnsson E, Johansson L, Nielsen H. "A Process for Preparing High-Purity 2-{[(tert-butoxy)carbonyl]amino}-2-(2-hydroxyphenyl)acetic acid" [P]. European Patent, EP 3701202 A1, 2021-09-08.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2019, 1417, 9142-9153.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2021, 194, (10), 3002-3012.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 2-{[(tert-butoxy)carbonyl]amino}-2-(2-hydroxyphenyl)acetic acid Using HRMS and NMR". Anal. Chim. Acta, 2010, 2296, (12), 2213-2231.