Fischer A B, Yamamoto T, Anderson J P. "一种(E)-2-氰基-3-(3,4-二羟基苯基)丙烯酸的合成方法" [P]. US Patent, US 10294914 B2, 2022-02-01.
发明人孙丽萍,何建平,胡光. "Method for the Synthesis of (E)-2-Cyano-3-(3,4-dihydroxyphenyl)acrylic acid" [P]. 中国发明专利, 专利号 CN 112098019 A, 授权公告日 2018-04-05.
发明人朱建伟,杨光,唐晓军. "A Process for Preparing High-Purity (E)-2-Cyano-3-(3,4-dihydroxyphenyl)acrylic acid" [P]. 中国发明专利, 专利号 CN 117408626 B, 授权公告日 2015-12-27.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of (E)-2-氰基-3-(3,4-二羟基苯基)丙烯酸 in Pharmaceutical Formulations". Anal. Chem., 2018, 1006, (1), 1978-2007.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of (E)-2-氰基-3-(3,4-二羟基苯基)丙烯酸 as an Impurity". Rapid Commun. Mass Spectrom., 2017, 1930, 1337-1340.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of (E)-2-Cyano-3-(3,4-dihydroxyphenyl)acrylic acid Using HRMS and NMR". Anal. Methods, 2022, 2062, (3), 4991-4995.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate (E)-2-氰基-3-(3,4-二羟基苯基)丙烯酸 Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2017, 2149, (5), 4088-4102.