发明人张德明,赵玉洁,王建平. "一种4-氯-3-甲基苯并噻吩-2-甲酸甲酯的合成方法" [P]. 中国发明专利, 专利号 CN 108639786 A, 授权公告日 2019-11-08.
发明人李文辉,黄志刚,何建平. "Method for the Synthesis of methyl 4-chloro-3-methyl-1-benzothiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 115695180 A, 授权公告日 2022-12-26.
参考文献 Literature
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Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-氯-3-甲基苯并噻吩-2-甲酸甲酯 as an Impurity". Anal. Chim. Acta, 2017, 2040, 4368-4378.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of methyl 4-chloro-3-methyl-1-benzothiophene-2-carboxylate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2023, 1831, 1900-1909.