发明人郭海燕,沈红梅,高志强. "一种H-DL-β-(3,4-Dihydroxyphenyl)-DL-丝氨酸-OH的合成方法" [P]. 中国发明专利, 专利号 CN 110665971 A, 授权公告日 2018-02-16.
发明人钱学锋,孙丽萍,何建平. "Method for the Synthesis of H-DL-β-(3,4-Dihydroxyphenyl)-DL-Ser-OH" [P]. 中国发明专利, 专利号 CN 108175213 B, 授权公告日 2023-01-23.
Park J H, O'Brien P Q, Brown S R. "A Process for Preparing High-Purity H-DL-β-(3,4-Dihydroxyphenyl)-DL-Ser-OH" [P]. US Patent, US 11839767 B2, 2015-04-12.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of H-DL-β-(3,4-Dihydroxyphenyl)-DL-丝氨酸-OH in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2014, 1476, (5), 4238-4243.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of H-DL-β-(3,4-Dihydroxyphenyl)-DL-丝氨酸-OH as an Impurity". Food Chem., 2014, 2081, (4), 4614-4618.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of H-DL-β-(3,4-Dihydroxyphenyl)-DL-Ser-OH Using HRMS and NMR". Anal. Chim. Acta, 2015, 1312, (9), 4519-4547.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate H-DL-β-(3,4-Dihydroxyphenyl)-DL-丝氨酸-OH Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2017, 358, 4036-4048.